Introduction 1
Product line 2
Product combination 3
Functions 4
Application planning 5
Installation 6
Connection 7
Commissioning 8
Maintenance and servicing 9
Technical specifications 10
Circuit diagrams 11
List of abbreviations A
Sine-wave filter and output reactor
TOutput filters for frequency
convertersT
TSystem ManualT
TEdition 06/2007T
THBF 06-001-02-1AT
Safety Guidelines
This manual contains notices you have to observe in order to ensure your personal safety, as well as to prevent
damage to property. The notices referring to your personal safety are highlighted in the manual by a safety alert
symbol, notices referring only to property damage have no safety alert symbol. These notices shown below are
graded according to the degree of danger.
DANGER
indicates that death or severe personal injury will result if proper precautions are not taken.
WARNING
indicates that death or severe personal injury may result if proper precautions are not taken.
CAUTION
with a safety alert symbol, indicates that minor personal injury can result if proper precautions are not taken.
CAUTION
without a safety alert symbol, indicates that property damage can result if proper precautions are not taken.
NOTICE
indicates that an unintended result or situation can occur if the corresponding information is not taken into
account.
If more than one degree of danger is present, the warning notice representing the highest degree of danger will
be used. A notice warning of injury to persons with a safety alert symbol may also include a warning relating to
property damage.
Qualified Personnel
The device/system may only be set up and used in conjunction with this documentation. Commissioning and
operation of a device/system may only be performed by qualified personnel. Within the context of the safety notes
in this documentation qualified persons are defined as persons who are authorized to commission, ground and
label devices, systems and circuits in accordance with established safety practices and standards.
Prescribed Usage
Note the following:
WARNING
This device may only be used for the applications described in the catalog or the technical description and only
in connection with devices or components from other manufacturers which have been approved or
recommended by Siemens. Correct, reliable operation of the product requires proper transport, storage,
positioning and assembly as well as careful operation and maintenance.
Trademarks
All names identified by ® are registered trademarks of the Siemens AG. The remaining trademarks in this
publication may be trademarks whose use by third parties for their own purposes could violate the rights of the
owner.
Disclaimer of Liability
We have reviewed the contents of this publication to ensure consistency with the hardware and software
described. Since variance cannot be precluded entirely, we cannot guarantee full consistency. However, the
information in this publication is reviewed regularly and any necessary corrections are included in subsequent
editions.
Siemens AG
Automation and Drives
Postfach 48 48
90327 NÜRNBERG
GERMANY
Ordernumber: HBF 06-001-02-1A
Ⓟ 09/2007
Copyright © Siemens AG 2007.
Technical data subject to change
Table of contents
1 Introduction................................................................................................................................................ 5
1.1 Structure and content of the manual..............................................................................................5
1.2 Laws and directives .......................................................................................................................6
2 Product line................................................................................................................................................ 7
2.1 Components...................................................................................................................................7
2.2 Device description..........................................................................................................................9
3 Product combination................................................................................................................................ 11
3.1 Functional optimization ................................................................................................................11
4 Functions................................................................................................................................................. 13
4.1 Method of operation .....................................................................................................................13
5 Application planning................................................................................................................................. 15
5.1 Configuration................................................................................................................................15
5.2 EMC-compliant configuration of drive systems............................................................................16
6 Installation ............................................................................................................................................... 23
6.1 Assembly......................................................................................................................................23
6.2 Installation instructions.................................................................................................................29
7 Connection .............................................................................................................................................. 31
7.1 Prerequisites and definitions........................................................................................................31
7.2 Connection options ......................................................................................................................32
8 Commissioning ........................................................................................................................................ 37
8.1 Operation .....................................................................................................................................37
9 Maintenance and servicing ...................................................................................................................... 39
9.1 Service/Maintenance ...................................................................................................................39
10 Technical specifications........................................................................................................................... 41
10.1 Rating data...................................................................................................................................41
10.2 Deviation in the rated values at installation altitudes > 1000 m...................................................43
11 Circuit diagrams....................................................................................................................................... 45
11.1 Circuit diagrams ...........................................................................................................................45
A List of abbreviations................................................................................................................................. 47
A.1 List of abbreviations .....................................................................................................................47
Index........................................................................................................................................................ 49
Output filters for frequency converters
System Manual, Edition 06/2007, HBF 06-001-02-1A 3
Table of contents
Figures
Figure 5-1 Configuration...............................................................................................................................15
Figure 5-2 Mounting on mounting plate........................................................................................................ 16
Figure 5-3 Shield connection of motor cables inside control cabinet........................................................... 17
Figure 6-1 Mounting position - output reactors............................................................................................. 24
Figure 7-1 Protective conductor connection via terminal studs (output reactor).......................................... 32
Figure 7-2 Protective conductor connection via terminal studs (sine-wave filter) ........................................ 32
Figure 7-3 Protective conductor connection via clip on the angle bracket (output reactor) ......................... 33
Figure 7-4 Protective conductor connection via clip on the angle bracket (sine-wave filter) ....................... 33
Figure 7-5 Connection - terminal output reactor........................................................................................... 34
Figure 7-6 Connection terminal - sine-wave filter......................................................................................... 35
Figure 7-7 Flat connection............................................................................................................................ 36
Figure 8-1 Connection - sine-wave filter....................................................................................................... 38
Output filters for frequency converters
4 System Manual, Edition 06/2007, HBF 06-001-02-1A
TIntroductionT 1
1.1 TStructure and content of the manualT
Purpose of the manual
This manual contains all the information required for connecting and using sine-wave filters
and output reactors. Sine-wave filters and output reactors are components for converters.
This manual describes EMC-compatible connection and the functions of sine-wave filters
and output reactors.
Target group
This manual is intended for any user involved in:
● Commissioning
● Servicing and maintaining
● Planning and configuring systems
Required basic knowledge
A general knowledge of the field of electrical engineering is required to understand this
manual.
Standards and approvals
The standard applied for sine-wave filters and output reactors is EN 61558.
Correction sheet
The Appendix contains a correction sheet. Please use it to record your suggestions for
improvements, additions and corrections, and return the sheet to us. This will help us to
improve the next edition of the manual.
Output filters for frequency converters
System Manual, Edition 06/2007, HBF 06-001-02-1A 5
TTIntroductionTT
1.2 TTLaws and directivesTT
1.2 TLaws and directivesT
Disclaimer of liability
It is the responsibility of the manufacturer to ensure that a system or machine is functioning
properly as a whole. SIEMENS AG, its regional offices, and associated companies
(hereinafter referred to as "SIEMENS") cannot guarantee all the properties of a whole plant
system or machine that has not been designed by SIEMENS.
Nor can SIEMENS assume liability for recommendations that appear or are implied in the
following description. No new guarantee, warranty, or liability claims beyond the scope of the
SIEMENS general terms of supply are to be derived or inferred from the following
description.
Output filters for frequency converters
6 System Manual, Edition 06/2007, HBF 06-001-02-1A
TProduct lineT 2
2.1 TComponentsT
Reactors and filters
SIDAC reactors and filters are drive components. SIDAC reactors and filter components are
used with AC and DC drives.
M
~3 AC
Three-phase AC drive




M
= DC
DC drive
(1) AC drive 3-ph. supply
(2) Line reactor
(3) RFI suppression filter
(4) Output reactor
(5) Sine-wave filter
(6) DC drive 3-ph. supply
(7) Commutating reactor
(8) Smoothing reactor
Output filters for frequency converters
System Manual, Edition 06/2007, HBF 06-001-02-1A 7
TTProduct lineTT
2.1 TTComponentsTT
SIDAC line reactors/commutating reactors
SIDAC line reactors and commutating reactors have the following properties:
● SIDAC line reactors/commutating reactors are installed upstream of the DC drive or
three-phase AC drive.
● Line reactors/commutating reactors reduce the proportion of low-frequency harmonics on
the line, thereby improving the power factor.
● Line reactors/commutating reactors avoid mutual interference caused by low-frequency
noise and protect the converter input. The capacitive DC link of frequency converters is
protected.
SIDAC RFI suppression filters
SIDAC RFI suppression filters have the following properties:
● SIDAC RFI suppression filters are installed upstream of the DC drive or three-phase AC
drive.
● SIDAC RFI suppression filters damp and limit conducted high-frequency (> 150 kHz to 30
MHz) interference voltages.
● RFI suppression filters avoid mutual interference caused by high-frequency interference
currents.
SIDAC output reactors and sine-wave filters
SIDAC output reactors and sine-wave filters have the following properties:
● SIDAC output reactors and SIDAC sine-wave filters are installed downstream of the
three-phase AC drive (frequency converter).
● SIDAC output reactors and SIDAC sine-wave filters increase the service life of the motor
and improve system reliability.
SIDAC smoothing reactors
SIDAC smoothing reactors have the following properties:
● SIDAC smoothing reactors are used in the load circuit of DC drives.
● SIDAC smoothing reactors reduce the harmonic content for the DC motor as well as the
rate of current rise, thereby enabling use of DC high-speed circuit breakers.
Output filters for frequency converters
8 System Manual, Edition 06/2007, HBF 06-001-02-1A
TTProduct lineTT
2.2 TTDevice descriptionTT
2.2 TDevice descriptionT
Device versions
The output filters are offered in three-phase design in degree of protection IP00. All sine-
wave filters are equipped with safe-to-touch terminals, for the output reactors the 4EP types
are equipped with safe-to-touch terminals, and the 4EU types are equipped with flange
connections.
Application
Sine-wave filters and output reactors are used on the load side of frequency converters and
the motor currents flow through these components. They enable use of shielded motor
cables 200 m in length and non-shielded motor cables that are 300 meters in length.
Sine-wave filters filter the frequency converter output variables and thus simulate line-like
conditions for the motor. They ensure that the motor is supplied with nearly sinussoidal
currents and voltages. This reduces motor losses and magnetic motor noise levels.
Output reactors compensate capacitative switching currents and limit the voltage rate of rise
on the motor terminals.
See section 8.1 Operation, for general use conditions.
EMC regulations
Compliance with EMC regulations must be ensured in individual cases by means of an
application-specific measurement. The converter's rating data must be taken into account
when selecting a filter.
Discharging the capacitors (for sine-wave filters)
Ensure that the energy stored in the capacitors of the sine-wave filters can be quickly
reduced, so that the voltage at the terminals drops to within permissible levels.
WARNING
It must be verified that the disconnected sine-wave filter is free of voltage!
Output filters for frequency converters
System Manual, Edition 06/2007, HBF 06-001-02-1A 9
TTProduct lineTT
2.2 TTDevice descriptionTT
Output filters for frequency converters
10 System Manual, Edition 06/2007, HBF 06-001-02-1A
TProduct combinationT 3
3.1 TFunctional optimizationT
Through the combination of reactor and filter components around the converter, abatement
of harmonics can be improved.
SIDAC RFI suppression filters
SIDAC RFI suppression filters have the following properties:
● SIDAC RFI suppression filters are installed upstream of the DC drive or three-phase AC
drive. They dampen and limit the conducted, high frequency (> 150 kHz to 30 MHz)
interference voltages.
● RFI suppression filters avoid mutual interference caused by high-frequency interference
currents.
● Under some conditions, use of a sine-wave filter increases the maximum permissible
motor cable length, which can be limited by the use of the RFI suppression filter.
Line reactors
To benefit from an additional reduction in phase effects on the system, combine an RFI
suppression filter with a SIDAC line reactor/commutating reactor.
Application-specific measurement is required
Ensure compliance with EMC regulations in individual cases by means of an application-
specific measurement. This measurement must be requested and ordered separately. The
converter's rating data must be taken into account when selecting a filter.
For more detailed advice, please send an e-mail to: MD_Inquiry.aud@siemens.com
Output filters for frequency converters
System Manual, Edition 06/2007, HBF 06-001-02-1A 11
TTProduct combinationTT
3.1 TTFunctional optimizationTT
Output filters for frequency converters
12 System Manual, Edition 06/2007, HBF 06-001-02-1A
TFunctionsT 4
4.1 TMethod of operationT
Output reactor functions
The output reactors function in the following manner:
Output reactors are used on the load side of frequency converters. They compensate
capacitative switching currents and limit the voltage rate of rise on the motor terminals if long
motor cables are used.
This means that longer motor cables can be used. The converters can be better utilized as
the load with harmonic currents is reduced.
Sine-wave filter functions
Sine-wave filters function in the following manner:
Sine-wave filters are used on the load side of frequency converters. Sine-wave filters filter
the frequency converter output variables and thus simulate line-like conditions for the motor.
In addition to limiting the voltage rate of rise at the motor terminals in accordance with DIN
VDE 0530 or EC 60 034-17, the possibility of longer motor cables is provided. The
generation of noise on the motor is significantly reduced. The service life of the motor is
extended by the reduced applied voltage to the insulating system.
Output filters for frequency converters
System Manual, Edition 06/2007, HBF 06-001-02-1A 13
TTFunctionsTT
4.1 TTMethod of operationTT
Output filters for frequency converters
14 System Manual, Edition 06/2007, HBF 06-001-02-1A
TApplication planningT 5
5.1 TConfigurationT
Use the flow chart below to configure the use of sine-wave filters or output reactors
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Figure 5-1 Configuration
1) If a sine-wave filter is on the converter downstream of the Ex(d) motor then the rated
conditions must be clarified on a case-by-case basis.
2) Household, office: Low-noise motor operation, chemical applications: dv/dt ≤ 500 V/μs,
distortion factor < 10%
3) Siemens 1LA motors are converter-capable. If no information is provided about the
insulation properties of the motor, a sine-wave filter should be used.
Output filters for frequency converters
System Manual, Edition 06/2007, HBF 06-001-02-1A 15
TTApplication planningTT
5.2 TTEMC-compliant configuration of drive systemsTT
5.2 TEMC-compliant configuration of drive systemsT
The basic rules of EMC
The following 20 rules must be adhered to for the configuration of EMC-compliant drive
systems. Rules 1 to 13 apply on a general level. Rules 14 to 20 are particularly important for
limiting emitted interference.
General rules
Rule 1
● Ensure that all metal parts of the control cabinet are surface-connected with good
conductivity (not paint on paint). If necessary, use contact washers or serrated lock
washers.
● When connecting the control cabinet door to the control cabinet, use bonding strips that
are as short as possible (also see Rule 20).
● Suitable line/commutating reactors are recommended as a means of counteracting low-
frequency phase effects on the system and protecting the converter. You must install
these between the line connection and the RFI suppression filter inside a metal cabinet.
Ensure that the control cabinet configuration, system configuration and wiring are carried
out in compliance with the rules of EMC-compliant configuration.
● On the line side, route the grounding to the motor via the reactor, filter and converter.
 

  


TN M
3~
L1
L2
L3
L1’
L2’
L3’
Figure 5-2 Mounting on mounting plate
1 TN system 6 Shielded motor cable
2 Line reactor 7 Metal mounting plate
3 Supply system 8 Sine-wave filter or output reactor
4 Load 9 RFI suppression filter
5 Frequency converter
Output filters for frequency converters
16 System Manual, Edition 06/2007, HBF 06-001-02-1A
TTApplication planningTT
5.2 TTEMC-compliant configuration of drive systemsTT
Grounding systems/machines and grounding drives
● The grounding of systems/machines is a protective measure.
● In the case of drives, grounding affects emitted interference and interference immunity.
● System grounding can be carried out point-to-point or two-dimensionally.
● For drives, select two-dimensional grounding, i.e., all the parts of the system that need to
be grounded are connected two-dimensionally or as a mesh.
– The motor must be connected using a shielded cable.
– Unshielded motor cables must only be used in conjunction with a sine-wave filter.
– The shield must be applied to the surface of the motor and converter.
 

Figure 5-3 Shield connection of motor cables inside control cabinet
1 Connect to cabinet enclosure on both sides ensuring good conductivity and maximum
contact area
2 Shielding bus
3 Cable propping bar
Rule 2
● When laying the signal cables and power cables, ensure that sufficient space is left
between them (minimum distance: 20 cm).
● Avoid data links
● Provide separating plates between power cables and signal cables.
● Ensure multiple grounding of separating plates.
Rule 3
Connect contactors, relays, solenoid valves, electromechanical operating hours counters,
etc., inside control cabinet using interference suppression combination, e. g., RC elements,
diodes, varistors. Install the protective circuit directly on the relevant coil.
Output filters for frequency converters
System Manual, Edition 06/2007, HBF 06-001-02-1A 17
TTApplication planningTT
5.2 TTEMC-compliant configuration of drive systemsTT
Rule 4
Twist unshielded cables from the same electric circuit (go and return conductors) or ensure
that the surface area between the go and return conductors is as small as possible to avoid
unnecessary frame antennae.
Rule 5
Avoid unnecessarily long cables Thus coupling capacitances and coupling inductances are
kept small.
Rule 6
Ground spare cores at both ends. This achieves an additional shielding effect.
Rule 7
Lay cables close to grounded plates to reduce interference coupling. You should not,
therefore, route wiring and spare cables randomly within the cabinet; instead, keep them
close to the cabinet enclosure/mounting plates.
Rule 8
Use a shielded cable to connect tachometers, encoders and resolvers. Connect the shield to
the tachometer, encoder or resolver and to the converter, ensuring maximum contact area.
The shield must not be broken at any point, e. g., by intermediate terminals.
Rule 9
● Ground the shields of digital signal cables on both sides (sender and receiver), ensuring
maximum contact area and good conductivity.
● In the event of poor equipotential bonding between the shield connections, run an
additional equalizing conductor with a cross-section of at least
10 mm² parallel to the shield for the purpose of reducing the shield current.
● Multiple grounding of the shields (= connection to cabinet enclosure) is possible. Multiple
grounding of the shields is even possible outside the control cabinet.
● Foil shields are at least 5 times less effective than braided shields.
Rule 10
● Ground the shields of analog signal cables with good equipotential bonding on both
sides. Good equipotential bonding is achieved if Rule 1 is followed.
● If low-frequency interference occurs on the analog lines, e. g.: Speed/measured value
fluctuations as a result of equalizing currents (hum) then connect the analog signal shield
to the signal sink on one side, e. g. analog input of the converter. Ground the other side
of the shield via a capacitor (e. g., 10 nF/100 V type MKT). The use of the capacitor
means that the shield is connected for high frequencies on both sides.
Output filters for frequency converters
18 System Manual, Edition 06/2007, HBF 06-001-02-1A
TTApplication planningTT
5.2 TTEMC-compliant configuration of drive systemsTT

Shield connection of signal cables

Cable tie
1 Shield clip
2 Cable tie
Rule 11
Only route signal cables into the cabinet from one side
Rule 12
● If converters are to be operated by means of an external 24 V power supply, this supply
must not be connected to a number of loads that have been installed separately inside
different control cabinets (hum!).
● Ensure that there is a separate power supply for each converter.
Rule 13
● Avoid interference coupling via the line connection.
● Connect the converter and PLCs/control electronics to different line supplies.
● If only one common line supply is available, isolate the PLCs/control electronics from the
line supply by means of an isolating transformer.
Output filters for frequency converters
System Manual, Edition 06/2007, HBF 06-001-02-1A 19
TTApplication planningTT
5.2 TTEMC-compliant configuration of drive systemsTT
Rules for limiting emitted interference
Rule 14
● An RFI suppression filter must be used to ensure compliance with limit class A or B (EN
55011) even in cases where sine-wave filters or dv/dt filters have been installed between
the motor and the converter.
● The issue of whether an additional filter is required for further loads depends on the
controller used and how the rest of the control cabinet is wired.
Rule 15
● Ensure that the RFI suppression filter is located in the vicinity of the source.
● Ensure that the filter is surface-connected to the control cabinet enclosure, mounting
plate, etc. A bare, metallic mounting plate is preferable (e. g. stainless steel, galvanized
steel), since the entire contact surface establishes the electrical contact. If a painted
mounting plate is used, the screw positions for mounting the frequency converter and and
RFI suppression filter must be paint-free to ensure electrical contact with the mounting
plate.
● Physically separate the input and output cables of the RFI suppression filter.
Rule 16
● Use shielded cables to connect all variable-speed motors in order to limit emitted
interference.
● Connect both sides of the shields to the relevant enclosures in a manner that ensures low
inductance (short and maximum possible contact area).
● Shield the motor cables inside the control cabinet or shield them by means of grounded
separating plates. Suitable motor cables are, for example, Siemens PROTOFLEX-EMV-
CY (4 x 1.5 mm² to 4 x 120 mm²) with Cu shield. Cables with steel shields are not
suitable.
● Use a suitable screwed joint with shield contact on the motor for the shield connection.
Make sure that there is a low-impedance connection between the motor terminal box and
motor housing. If necessary, use an additional flexible grounding stranded wire. The
motor terminal box must not be made of plastic.
Output filters for frequency converters
20 System Manual, Edition 06/2007, HBF 06-001-02-1A
TTApplication planningTT
5.2 TTEMC-compliant configuration of drive systemsTT
1 Motor terminal box
Shield connection on motor
2 Metric/heavy-gauge threaded joint
Rule 17
Install a line reactor between the RFI suppression filter and the line supply.
Rule 18
Physically separate the power supply cable and motor cables, e. g., by using grounded
separating plates.
Rule 19
The shield between the motor and converter must not be broken at any point as a result of
integrating components such as output reactors, sinusoidal filters, dv/dt filters, fuses and
contactors. Assemble the components on a mounting plate, which will simultaneously serve
as the shield connection for the incoming and outgoing motor cables. It may be necessary to
use grounded separating plates for the purpose of shielding the components.
Rule 20
● To limit interference radiation (particularly in the case of limit class B), all cables
connected to the control cabinet from the outside must be shielded in addition to the
power supply cable.
● When mounting inside a cabinet, install the RFI suppression filter (and if necessary a
reactor) in the direct vicinity of the converter.
● When laying cables, keep them as short as possible.
● When connecting the power supply cable to the RFI suppression filter (or reactor), ensure
that it is kept separate from other cables so that no interference can be injected into the
interference-suppressed power supply cable that would partially cancel out the effects of
the RFI suppression filter.
● Connect the housing of the converter and RFI suppression filter with low resistance for
high-frequency interference currents. This can be achieved by placing the converter and
RFI suppression filter on the same mounting plate. Ensure that the converter and RFI
suppression filter are surface-connected to this mounting plate. The best solution here is
Output filters for frequency converters
System Manual, Edition 06/2007, HBF 06-001-02-1A 21
TTApplication planningTT
5.2 TTEMC-compliant configuration of drive systemsTT
to use a bare metal mounting plate (e. g., made of stainless steel or galvanized sheet-
steel), since the total contact surface establishes the electrical contact. If a painted
mounting plate is used, the screw positions for the converter and RFI suppression filter
must be paint-free to ensure electrical contact with the mounting plate.
Output filters for frequency converters
22 System Manual, Edition 06/2007, HBF 06-001-02-1A
TInstallationT 6
6.1 TAssemblyT
Installation
Install the sine-wave filter or the output reactor on a bare metal plate.
Mount the sine-wave filter or the output reactor in a cabinet as follows:
● Install the sine-wave filter or the output reactor as close to the converter as possible.
● When laying cables, keep them as short as possible.
● Lay out the motor cables separate from the other cables, such as power supply cable so
that interference cannot be coupled.
● The output reactor / sine-wave filter are each fastened with 4 screws via the fastening
bores provided in the base plate. The bore dimensions and the strength class of the
screws used are specified in the following dimension drawings.
Mounting position
The mounting position of the sine-wave filter or the output reactor must be selected in such a
manner that the cooling channels - if present - are arranged vertically.
In addition, ensure that the cooling air flow (natural convection) is not impacted by
neighboring components, connecting lines, etc. The capacitors of the sine-wave filter should
not be impacted by the waste heat of the reactor.
Output filters for frequency converters
System Manual, Edition 06/2007, HBF 06-001-02-1A 23
TTInstallationTT
6.1 TTAssemblyTT
$%&
Figure 6-1 Mounting position - output reactors
(1) Cooling air flow
Permissible mounting positions - output reactors
__ A B C
4EP ✓ ✓ __
4EU ✓ __ __
$%&
(1) Cooling air flow
Output filters for frequency converters
24 System Manual, Edition 06/2007, HBF 06-001-02-1A
TTInstallationTT
6.1 TTAssemblyTT
Permissible mounting positions sine-wave filter
__ A B C
4EF1105-0GB...
4EF1105-3GB
✓ ✓ __
4EF1105-4GB...
4EF1105-8GB
4EF1105-0GB
✓ __ __
Dimension sheet / bore dimensions 4EP
Rated AC ILN ≤ 40 A
n
2
n
1
DA93-5020
d
3
DA93-5017
n
2
n
4
l
2
d
1
n
1
n
3
b
1
d
2
l
1
e
h
Type b1d1d2d3e h l1l2n1n2n3n4
4EP36 78 4,8 9 M4 62,0 139 120 148 49 90 58 136
4EP37 73 5,8 11 M5 60,0 159 150 178 49 113 53 166
4EP38 88 5,8 11 M5 67,0 159 150 178 64 113 68 166
4EP39 99 7,0 13 M6 62,0 181 182 219 56 136 69 201
4EP40 119 7,0 13 M6 72,0 181 182 219 76 136 89 201
Output filters for frequency converters
System Manual, Edition 06/2007, HBF 06-001-02-1A 25
TTInstallationTT
6.1 TTAssemblyTT
Dimension sheet / bore dimensions 4EU24 to 4EU36
(For 4EU24 to 4EU36 with flat connections, for arrangement of the reactors on horizontal
surfaces)
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G
G
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O
O
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Type b1d1d2d3e1max e2max e3max hmax l1l2L4L5n1n2Grounding
4EU24 91 7 12 M6 90,5 56,5 48,5 210 225 190 - 76 70 176 M6
4EU25 115 7 12 M6 102,5 68,5 60,5 210 225 190 - 76 94 176 M6
4EU27 133 10 18 M8 120,5 79,5 67,5 248 260 220 270 88 101 200 M6
4EU30 (Cu) 148 10 18 M8 137,0 89,0 73,0 269 295 250 300 100 118 224 M6
4EU30 148 10 18 M8 144,0 98,0 86,0 269 295 250 300 100 118 224 M6
4EU36 (Cu) 169 10 18 M8 142,0 94,0 78,0 321 357 300 350 120 138 264 M8
4EU36 169 10 18 M8 161,0 111,0 91,0 321 357 300 350 120 138 264 M8
Output filters for frequency converters
26 System Manual, Edition 06/2007, HBF 06-001-02-1A
TTInstallationTT
6.1 TTAssemblyTT
Dimension sheet / bore dimensions 4 EF11
(for drives in the range from 7.5 kW to 1.5 kW)
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For filters with lmax to bmax b1b2max d hmax l2n3n4Grounding
6 A 133 73 98 M5 157 178 53 166 M6
10 A 148 88 105 M5 157 178 68 166 M6
17.5 A 175 119 112 M6 182 219 89 201 M6
Output filters for frequency converters
System Manual, Edition 06/2007, HBF 06-001-02-1A 27
TTInstallationTT
6.1 TTAssemblyTT
Dimension sheet / bore dimensions 4 EF11
(For drives in the range of 11 kW to 75 kW, for arrangement of the filter on horizontal
surfaces)
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E
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G
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K
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For filters with lmax to bmax b1b2d hmax l2L4max n1n2Grounding
26 A 145 91 100 M6 253 189 225 70 176 M6
38 A 169 115 112 M6 253 189 225 94 176 M6
48 A 168 118 112 M8 300 220 260 86 200 M6
63 A 183 133 120 M8 300 220 260 101 200 M6
90 A 208 148 134 M8 362 249 295 118 224 M6
105 A 224 168 136 M8 418 299 357 138 264 M8
Output filters for frequency converters
28 System Manual, Edition 06/2007, HBF 06-001-02-1A
TTInstallationTT
6.2 TTInstallation instructionsTT
6.2 TInstallation instructionsT
EMC-compliant configuration
● To ensure trouble-free operation of the sine-wave filter / output reactor, the configuration
of the drive system must be EMC-compliant. The basic rules for the EMC-compliant
configuration of drive systems are outlined in section 5.
● Install the converter and the sine-wave filter / output reactor on a common bare metal
mounting plate (stainless steel or galvanized sheet-steel). The total contact surface
establishes the electrical contact.
● If a painted mounting plate is used, ensure that the screw positions for the converter and
sine-wave filter / output reactor are paint-free to ensure electrical contact with the
mounting plate.
● If the motor is connected via a shielded cable, place the shield on the motor and on the
sine-wave filter / output reactor so that it is surface connected.
Output filters for frequency converters
System Manual, Edition 06/2007, HBF 06-001-02-1A 29
TTInstallationTT
6.2 TTInstallation instructionsTT
Output filters for frequency converters
30 System Manual, Edition 06/2007, HBF 06-001-02-1A
TConnectionT 7
7.1 TPrerequisites and definitionsT
Materials to be used
The following materials must be used for the connection:
● Busbar material: Copper, aluminum
● Bolt: Strength class 8.8 or higher in accordance with ISO 898 Part 1, tZn (hot-galvanized)
anti-corrosion protection
● Nut: Strength class 8 or higher in accordance with ISO 898 Part 2, tZn (hot-galvanized)
anti-corrosion protection
● Spring element on bolt and nut side:
Clamping washer to DIN 6796 Part 2, with anti-corrosion protection
Spring lock washer to DIN 128
● Lubricant: MoS2-based
Output filters for frequency converters
System Manual, Edition 06/2007, HBF 06-001-02-1A 31
TTConnectionTT
7.2 TTConnection optionsTT
7.2 TConnection optionsT
Protective conductor connection via terminal studs
The following tightening torque applies for protective conductor connections on the sine-
wave filter / output reactor that are contacted via threaded pins: 6 Nm
The following graphics show the protective conductor connection via terminal studs.
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Figure 7-1 Protective conductor connection via terminal studs (output reactor)
1P
Figure 7-2 Protective conductor connection via terminal studs (sine-wave filter)
(1) Bolt
(2) Spring washer
(3) Conical spring washer
(4) Contact washer
(5) Cable lug: The cable lug of the protective conductor must be arranged between the two
washers.
(6) Nut (output reactor) / capacitor holding plate (sine-wave filter)
(7) Protective conductor clip
(10) Caliper (output reactor)
Output filters for frequency converters
32 System Manual, Edition 06/2007, HBF 06-001-02-1A
TTConnectionTT
7.2 TTConnection optionsTT
Protective conductor connection via clip on the angle bracket
The following tightening torque applies for protective conductor connections on the sine-
wave filter / output reactor that are contacted via clip on the angle bracket: 10 Nm
The following graphics show the protective conductor connection via clip on the angle
bracket.
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Figure 7-3 Protective conductor connection via clip on the angle bracket (output reactor)
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Figure 7-4 Protective conductor connection via clip on the angle bracket (sine-wave filter)
(1) Bolt
(2) Spring washer
(3) Conical spring washer
(4) Contact washer
(5) Cable lug: The cable lug of the protective conductor must be arranged between the two
washers.
(6) Nut (output reactor) / capacitor holding plate (sine-wave filter)
(7) Protective conductor clip
Output filters for frequency converters
System Manual, Edition 06/2007, HBF 06-001-02-1A 33
TTConnectionTT
7.2 TTConnection optionsTT
Connection via terminals
The cables should be stripped until the stripped part of the cable can be completely
introduced into the contact part of the terminals without canting.
The insulation of the cable should be placed on the contact part of the terminal in such a
manner that the conductor is not crushed when unscrewed.
The information provided in the tables below applies for connection of the sine-wave filter /
output reactor via terminals:
D
Figure 7-5 Connection - terminal output reactor
Connecting terminal Stripped length (a) Tightening torque
Type mm Nm
(c) Double terminal 13...14 2,5
Output filters for frequency converters
34 System Manual, Edition 06/2007, HBF 06-001-02-1A
TTConnectionTT
7.2 TTConnection optionsTT
Figure 7-6 Connection terminal - sine-wave filter
Connection grounding Conductor cross-section Tightening torque
Type mm² Nm
(c) 16 0,9 ... 1,3
(c) 35 2,5 ... 3,0
Connection Conductor cross-section Tightening torque
Type mm² Nm
(d) 16 2,0 ... 2,5
(c) 16 0,9 ... 1,3
(c) 35 2,5 ... 3,0
(c) 70 6,0 ... 10,0
Output filters for frequency converters
System Manual, Edition 06/2007, HBF 06-001-02-1A 35
TTConnectionTT
7.2 TTConnection optionsTT
Flat connectors
The customer-provided connection is executed as shown in the illustration, via cable lugs or
external busbars using the parts listed in the table. The level contact surfaces of the flat
connections must be bare metal with a light coating of grease. Do not align the cable shoes
after tightening the screw connection (danger of loosening).
E
Figure 7-7 Flat connection
Rated current Ithmax [A] Item
no.
Description
< 80 < 200
(1) Bolt M8 M10
(2) Nut M8 M10
(3) Washer 8.4 x 16 10.5 x 20
(4) Spring washer 8.2 x 14.4 10.5 x 17.4
(5) Flat connection b = 3.0 mm b = 5.0 mm
Tightening torque [Nm] 13,0 25,0
Output filters for frequency converters
36 System Manual, Edition 06/2007, HBF 06-001-02-1A
TCommissioningT 8
8.1 TOperationT
Operation
The following must be observed when operating the sine-wave filter / output reactor:
CAUTION
The following general parameters always apply for operation and they should not be
exceeded:
Motor cable length - maximum 200 m, shielded cable
Motor cable length - maximum 300 m, unshielded line
Maximum motor cable length cross-sections for power classes:
- > to 2.2 kW 1.5 mm²
- > 2.2 kW to 7.5 kW 2.5 mm²
- > 7.5 kW to 11 kW 4 mm²
- > 11 kW to 22 kW 10 mm²
- > 22 kW to 30 kW 16 mm²
- > 30 kW to 37 kW 25 mm²
- > 37 kW to 50 kW 35 mm²
- > 50 kW to 75 kW 70 mm²
Maximum clock frequency 8 kHz
Maximum motor frequency - output reactor 200 Hz
Maximum motor frequency sine-wave filter 100 Hz
UN 3 AC 500 V + 5 % (+ 10 % sine wave filter)
For more extensive requirements customer-specific solutions are available on request:
email: MD_Inquiry.aud@siemens.com
Use in Ex(d) area
If a sine-wave filter is on the converter upstream of the Ex(d) motor then the implementation
conditions must be clarified for each request.
Output filters for frequency converters
System Manual, Edition 06/2007, HBF 06-001-02-1A 37
TTCommissioningTT
8.1 TTOperationTT
● Compliance with the rated data on the rating plate is prerequisite for proper use of the
sine-wave filter / output reactor.
CAUTION
The inputs and outputs of the sine-wave filter should not be swapped because this can
damage the frequency converter.
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Figure 8-1 Connection - sine-wave filter
CAUTION
Do not operate the sine-wave filter without load because the converter and filter could
be damaged.
● If you notice any deviations from normal operation (increased power consumption,
temperature or levels of vibration, unusual noises or odors, monitoring devices tripping,
etc.), the device is probably no longer functioning correctly.
In such an event, you must notify the responsible service personnel immediately to
prevent faults that could result in personal injury or material damage.
● If in doubt, shut down the equipment concerned immediately.
Output filters for frequency converters
38 System Manual, Edition 06/2007, HBF 06-001-02-1A
TMaintenance and servicingT 9
9.1 TService/MaintenanceT
You must comply with the following safety regulations before commencing work on electrical
installations:
1. Isolate from the supply
2. Secure against accidental restart
3. Check safe isolation from supply
4. Grounding and short-circuiting
5. Cover all nearby live parts
Checking safe isolation from supply
WARNING
Dangerous high voltage
Danger of death or serious injury. Before commencing work on the sine-wave filter / output
reactor, you must check that it is safely isolated from the supply (e. g. using a meter).
Service
The following service operations should be carried out regularly (preferably on an annual
basis):
● General visual check
● Remove excessively large dust deposits using compressed air (max. 2.5 bar) and a
suitable vacuum cleaner.
● Tighten up connection elements in accordance with the specified torques.
Output filters for frequency converters
System Manual, Edition 06/2007, HBF 06-001-02-1A 39
TTMaintenance and servicingTT
9.1 TTService/MaintenanceTT
Output filters for frequency converters
40 System Manual, Edition 06/2007, HBF 06-001-02-1A
TTechnical specificationsT 10
10.1 TRating dataT
Technical specifications - output reactor
Recommended supply voltage VN
Rated AC ILN
Inductance per strand LN
Total power loss PV
Total weight m
See rating plate or catalog LV60 Reactors and
Filters, table "Selection and ordering data"
Frequency Converter output frequency maximum 200 Hz
Clock frequency of the converter to 8 kHz
Degree of protection IP00 in accordance with DIN VDE 0470-1/EN
60529
Connection 4EP terminal, 4EU flat connection, see
"Engineering information", terminal cover for
protection against unintentional contact of the
flat connections, see "Accessories"
Measurement of creepage distances and
clearances
Degree of pollution 2 in accordance with DIN
VDE 0110
Rated voltage for insulation
(for installation altitudes to 2000 m above sea level)
Version with terminals: 690 V AC
Version with flat connectors: 1000 V AC
Permissible ambient temperature during operation 0 °C to +40 °C
Temperature classes Type 4EP ta 40 °C/F
Type 4EU ta 40 °C/H
Installation altitude ≤ 1000 m above sea level
Standards / approvals The reactors satisfy EN 61558-2-20
UL508: for types 4EP
UL1561: For types 4EU
Storage temperature -25 °C to +55 °C
Transport temperature range -25 °C to +70 °C
Permissible humidity rating Moisture 5 % to 95 %, occasional condensation
is permissible
Output filters for frequency converters
System Manual, Edition 06/2007, HBF 06-001-02-1A 41
TTTechnical specificationsTT
10.1 TTRating dataTT
Technical specifications - sine-wave filter
Recommended supply voltage VN
Rated AC ILN
Total power loss Pv
Total weight m
See rating plate or catalog LV60 Reactors and
Filters, table "Selection and ordering data"
Test voltage 3.6 kV DC active parts against housing
Power range of the drive 1.5 kW to 75 kW, greater power ranges on
request
Frequency fmax = 100 Hz
Clock frequency ≥ 4 kHz ≤ 8 kHz
Degree of protection IP00 in accordance with DIN VDE 0470-1/EN
60529
Connection Safe-to-touch terminals
Measurement of creepage distances and
clearances
Degree of pollution 2 in accordance with DIN
VDE 0110
Rated voltage for insulation
(for installation altitudes to 1000 m above sea level)
500 V AC
Permissible ambient temperature during operation 0 °C to +40 °C
Temperature classes ta 40 °C/F or ta 40 °C/H depending on the rated
power
Installation altitude ≤ 1000 m above sea level
Standards / approvals The reactors satisfy EN 61558-2-20
UL508: Device assembly
Storage temperature -25 °C to +55 °C
Transport temperature range -25 °C to +70 °C
Permissible humidity rating Moisture 5 % to 95 %, occasional condensation
is permissible
Output filters for frequency converters
42 System Manual, Edition 06/2007, HBF 06-001-02-1A
TTTechnical specificationsTT
10.2 TTDeviation in the rated values at installation altitudes > 1000 mTT
10.2 TDeviation in the rated values at installation altitudes > 1000 mT
The following diagrams show the reduction in rated voltage, the rated current, depending on
the installation altitude and coolant temperature
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Deviation in the permissible direct current of the rated equalizing current Idn, or permissible
alternating current of the rated AC In (at coolant temperatures ≠ 40 °C)
Characteristic curve 74 applies for reactors 4EU, 4ET, 4PK
Characteristic curve 72 applies for reactors 4EP, 4EM, 4EF11
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Deviation in the permissible direct current of rated equalizing current Idn, or permissible
alternating current of the rated AC In (at installation altitudes > 1000 m above sea level)
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Reduction of the rated voltage for insulation (at installation altitudes > 2000 m above sea
level)
Output filters for frequency converters
System Manual, Edition 06/2007, HBF 06-001-02-1A 43
TTTechnical specificationsTT
10.2 TTDeviation in the rated values at installation altitudes > 1000 mTT
Output filters for frequency converters
44 System Manual, Edition 06/2007, HBF 06-001-02-1A
TCircuit diagramsT 11
11.1 TCircuit diagramsT
Sine-wave filter circuit diagram
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Output filters for frequency converters
System Manual, Edition 06/2007, HBF 06-001-02-1A 45
TTCircuit diagramsTT
11.1 TTCircuit diagramsTT
Output filters for frequency converters
46 System Manual, Edition 06/2007, HBF 06-001-02-1A
TList of abbreviationsT A
A.1 TList of abbreviationsT
AC
Alternating Current
DC
Direct Current
Ex(d) area
Necessary flameproof enclosure against potentially explosive atmospheres
LF harmonics
Low frequency harmonics
TN system
A point in the system (star point, external conductor) is directly grounded. The conductive
parts of the electrical equipment are connected to the grounded system point via protective
conductors.
Output filters for frequency converters
System Manual, Edition 06/2007, HBF 06-001-02-1A 47
TTList of abbreviationsTT
A.1 TTList of abbreviationsTT
Output filters for frequency converters
48 System Manual, Edition 06/2007, HBF 06-001-02-1A
Index
C
Commutating reactor, 7, 8, 11, 16
Cooling air flow, 23
E
EMC regulations, 9, 11, 16, 28
G
Grounding, 16
I
Interference coupling, 16, 18, 19, 23
L
Line reactor, 7, 8, 11, 16, 20
M
Motor cable length, 11, 13, 35
Mounting position, 20, 23, 25
O
Output reactor, 5, 7, 8, 9, 13, 15, 16, 21, 23, 28, 30, 31,
32, 35, 37
Circuit diagram, 43
Technical specifications, 39
P
Protective conductor, 29, 30, 45
R
RFI suppression filter, 7, 8, 11, 16, 19, 20, 21
S
Safety rules, 37
Shield, 9, 17, 18, 20, 21, 28, 35
Sine-wave filter, 5, 7, 8, 9, 13, 15, 16, 19, 21, 23, 25,
28, 30, 31, 33, 35, 37
Circuit diagram, 43
Technical specifications, 40
Smoothing reactor, 7, 8
Standards, 5, 13, 19, 29
Output filters for frequency converters
System Manual, Edition 06/2007, HBF 06-001-02-1A 49