Catalog 1308242 Issued 3-03 (PDF Rev. 2-14) Potter & Brumfield SSR series "Hockey Puck" Solid State Relay With Paired SCR Output File E81606 Users should thoroughly review the technical data before selecting a product part number. It is recommended that users also seek out the pertinent approvals files of the agencies/laboratories and review them to ensure the product meets the requirements for a given application. Features Engineering Data * Standard "hockey puck" package. * Enhanced noise immunity (designed to meet level 3 requirements of European EMC Directive). * LED indicator. * Inverse parallel SCR output. * 25, 50, & 125A rms versions. * 120/240VAC & 480VAC output types. * Zero voltage and random voltage turn-on versions. * AC & DC input versions. * 4,000V rms optical isolation. * Floating terminal design. Form: 1 Form A (SPST-NO). Duty: Continuous. Isolation: 4,000V rms minimum. Capacitance: 8 pf typical (input to output). Temperature Range: Storage: -40C to +100C Operating: -20C to +80C. NOTE: Operation to -40C is permitted for DC input types at an increased minimum input voltage of 4VDC (240V line voltage models) or 5VDC (480V line voltage models). Case Material: Plastic, UL rated 94V-0. Case and Mounting: Refer to outline dimension. Termination: Refer to outline dimension. Approximate Weight: 3.5 oz. (98g). Ordering Information Sample Part Number SSR -240 D 25 1. Basic Series: SSR = "hockey puck" inverse parallel SCR output solid state relay 2. Line Voltage: 240 = 24 - 240VAC 3. Input Type & Voltage: 480 = 48 - 660VAC A = 90 - 280VAC D = 3 - 32VDC (240V line voltage model) / 4 - 32VDC (480V line voltage model) 4. Maximum Switching Rating/Output: 25 = .1 - 25A rms, mounted to heatsink 50 = .1 - 50A rms, mounted to heatsink 125 = .1 - 125A rms, mounted to heatsink 5. Options: Leave Blank = Zero voltage turn-on R = Random voltage turn-on (phase controllable) Our authorized distributors are more likely to maintain the following items in stock for immediate delivery. SSR-240A25 SSR-240A50 SSR-240D25 SSR-240D25R SSR-240D50 SSR-480D125 Input Specifications AC Input Parameter DC Input Zero V Turn-on Units Zero and Random V Turn-on Units 240VAC Rated Models 480VAC Rated Models 90 - 280VAC 3 - 32VDC 4 - 32VDC Must Operate Voltage V IN(OP) (Min.) 90VAC 3VDC 4VDC Must Release Voltage V IN(REL) (Min.) 10VAC 1VDC 1VDC Input Current (Max.) 15mA 15mA 15mA Control Voltage Range V IN Dimensions are shown for 1104 reference purposes only. Dimensions are in inches over (millimeters) unless otherwise specified. Specifications and availability subject to change. www.te.com http://relays.te.com Catalog 1308242 Issued 3-03 (PDF Rev. 2-14) Potter & Brumfield Output Specifications (@ 25 C, unless otherwise specified) Parameter Nom. Line Voltage Conditions Units 120/240V Model 25A Models 50A Models 125A Models 24 - 280 480V Model V rms V rms 120/240 Model V peak 600 Load Current Range I L* 480V Model 120/240 & 480V Models V peak A rms .05 - 25 1200 .1 - 50 .1 - 125 Single Cycle Surge Current (Min.) 120/240 & 480V Models A peak 250 750 1,700 Load Voltage Range V L Repetitive Blocking Voltage (Min.) Leakage Current (Off-State) (Max.) Resistive 120/240V Model f = 60 Hz. VL = 240V rms 48 - 660 .1 mA rms 480V Model f = 60 Hz. VL = 480V rms .25 On-State Voltage Drop (Max.) 120/240 & 480V Models I L = Max. 1.35 Static dv/dt (Off-State) (Min.) 120/240 & 480V Models V/s Thermal Resistance, Junction to Case (R J-C ) (Max.) 120/240 & 480V Models C/W 0.4 ms 8.3 for Zero Voltage Turn-On DC input types, 20 for Zero Voltage Turn-On AC input types, 0.02 for Random Voltage Turn-On Models 8.3 for DC input types, 30 for AC input types 500 Turn-On Time (Max.) 120/240 & 480V Models Turn-Off Time (Max.) 120/240 & 480V Models f = 60 Hz. ms I 2T Rating 120/240 & 480V Models t = 8.3 ms A 2 Sec. Load Power Factor Rating 120/240 & 480V Models I L = Max. f = 60 Hz. .15 0.25 937 12,000 2,458 0.5 - 1.0 *See Derating Curves Electrical Characteristics (Thermal Derating Curves) 50A Units 25A Units 125A Units Heatsink Recommendations * We recommend that solid state relay modules be mounted to a heatsink sufficient to maintain the module's base temperature at less than 85C under worst case ambient temperature and load conditions. * The heatsink mounting surface should be a smooth (30-40 micro-inch finish), flat (30-40 micro-inch flatness across mating area), un-painted surface which is clean and free of oxidation. * An even coating of thermal compound (Dow Corning DC340 or equivalent) should be applied to both the heatsink and module mounting surfaces and spread to a uniform depth of .002" to eliminate all air pockets. * The module should be mounted to the heatsink using two #10 screws. Outline Dimensions Operating Diagrams 1.850 (47.0) 1 -4 CONSTANT CURRENT DC INPUT +3 ZERO VOLTAGE CIRCUIT OUTPUT 1 ZERO VOLTAGE CIRCUIT AC INPUT 3 OUTPUT Random Turn-on Units have a Random Turn-on circuit instead of Zero Voltage Circuit Dimensions are shown for reference purposes only. .870 (22.1) .875 (22.23) 1.100 .470 (27.94) (11.9) 1.750 (44.45) 1.000 (25.4) 2 EQUIVALENT CIRCUIT ONLY LED INDICATOR 2 EQUIVALENT CIRCUIT ONLY 4 1.700 (43.18) Dimensions are in inches over (millimeters) unless otherwise specified. 2.250 (57.15) Specifications and availability subject to change. .785 (19.94) .250 (6.35) www.te.com http://relays.te.com 1105 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: TE Connectivity: SSR-240D25