APPROVALS & STANDARDS UL Listed, guide IZLT File E52283 CSA Certified C22.2, class 6225 01, File 32169 IEC certified 60269-1, 60947-3 KEY FEATURES & BENEFITS Mersen UltraSafe Modular 600 Volt Fuse Holders for Class J fuses introduce a new level of safety and ease for installing or replacing Class J fuses. UltraSafe holders qualify as “finger-safe” to an IP20 grade of protection under IEC standards. The US3J accommodates 30A Class J or 22 x 58 mm French Ferrule* fuses. The US6J is for 60A Class J fuses. UltraSafe holders are available in compact 1, 2, 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 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 durable polyamide. Holder not UL listed when installed with French Ferrule fuses. RECOMMENDED FUSE USAGE: US3J, US6J use with AJT, A4J, HSJ APPLICATIONS 600 volt motors, transformers, lighting, heating, control circuits, general loads Non-load disconnect Product Specifications Item Number US3J3 Item Description (ERP) 30A J 3P ULTRASAFE Short Description Fuse Holders 600V 30A Class J 3-pole No Indicator EAN/UPC Code 782001307738 Rated voltage AC UL 600 V Rated voltage DC UL 600 V Ampere Rating 30A ROHS Compliant Yes Fuse Class Class J Short Circuit Current Rating (SCCR) 200 kA Fuse Type/Class Class J Number of Poles 3-pole Wiring range #2 to 14 AWG Fuse Installation Method Clip-in Body/Insulating Material Polyamide Max Fuse Rating 30 A Installation Mounting DIN Rail Product Weight 1.43 lb Product Width 3.84 in Product Length 4.49 in Product Height 3.15 in