US3J & US6J UltraSafeTM Class J Fuse Holders F U S E B LO C K S & H O L D E R S ULTRASAFETM MODULAR FUSE HOLDERS FOR CLASS J FUSES R AT I N G S : * Volts: 600VAC/DC * Amps: US3J - 30A Maximum, US6J - 60A Maximum * SCCR: 200kA Min. voltage to operate indicator light: 90VAC, 115VDC [Less than 0.7 mA leakage current at 600V] F B HIGHLIGHTS Mersen UltraSafe Modular 600 Volt Fuse Holders for Class J fuses * Finger-safe IP20 protection Class J fuses. UltraSafe holders qualify as "finger-safe" to an IP20 * Optional indicator lights grade of protection under IEC standards. The US3J accommodates * DIN-rail mount 30A Class J or 22 x 58 mm French Ferrule* fuses. The US6J is for * Compact footprint 60A Class J fuses. UltraSafe holders are available in compact 1, 2, * Quick, easy fuse change introduce a new level of safety and ease for installing or replacing or 3 pole units, with or without blown-fuse indicators in each pole. Multi-pole units can also be made up in the field by using the multiplepole Assembly Kits. All units have provisions for locking in the open A P P L I C AT I O N S : * 600 volt motors, transformers, lighting, heating, control circuits, general loads * Non-load disconnect position for safety during fuse changeouts or equipment servicing. US3J and US6J holders can be snap-mounted to 35 mm DIN-rail and they have a unique latch which will stay open to allow re-positioning of the holder in the future. UltraSafe body material is tough and A P P R O VA L S : durable polyamide. * UL Listed, guide IZLT File E52283 *Holder not ULlisted when installed with French Ferrule fuses. * CSA Certified C22.2, class 6225 01, File 32169 R E CO M M E N D E D F U S E U SAG E : * IEC certified 60269-1, 60947-3 US3J, US6J use with AJT, A4J, HSJ FB 10 E P. M E R S E N . C O M (c) 2018 Mersen. All rights reserved. Mersen reserves the right to change, update, or correct, without notice, any information contained in this datasheet. US3J & US6J F U S E B LO C K S & HOLDERS UltraSafe TM Class J Fuse Holders C ATA L O G N U M B E R S Catalog No. Catalog No. W/O Indicator W/ Indicator Description US3J1 US3J2 US3J3 US6J1 US6J2 US6J3 1-Pole 30A Class J UltraSafe Fuse Holder 2-Pole 30A Class J UltraSafe Fuse Holder 3-Pole 30A Class J UltraSafe Fuse Holder 1-Pole 60A Class J UltraSafe Fuse Holder 2-Pole 60A Class J UltraSafe Fuse Holder 3-Pole 60A Class J UltraSafe Fuse Holder US3J1I US3J2I US3J3I US6J1I US6J2I US6J3I Fuse Type C ATA L O G N U M B E R S - ACC E SS O R I E S Accessories Catalog No. US3JN US3JPAK US6JN US6JPAK A B C E F G H I J mm 32.5 65 97.5 114 3 106 80 56 6.5 Description 1-Pole Neutral 30A Class J UltraSafe Fuse Holder Pin Tie Assembly Kit, 6-Poles, for use with US3J 1-Pole Neutral 60A Class J UltraSafe Fuse Holder Pin Tie Assembly Kit, 6-Poles, for use with US6J US3J In 1.28 2.56 3.84 4.49 0.12 4.17 3.15 2.20 0.26 Ampere Rating 30A Class J 600V 600V 60A No. of Poles Certifications 1 2 3 1 2 3 UL Listed CSA Approved IEC Certified A D D I T I O N A L S P E C I F I C AT I O N S : Terminal screws: Phillips/slot head Suggested screw torque: 30A - 35 in-lbs. 60A - 45 in-lbs. Connector type: Pressure plate DIMENSIONS Dimension Voltage Rating AC DC mm 40 80 120 122 3 115 89 62 6.5 US6J In 1.57 3.15 4.72 4.80 0.12 4.53 3.50 2.44 0.26 Wire range: #2 to #14 (solid/stranded Cu) Load-break disconnect: No F B E P. M E R S E N .C O M FB 11