Mersen US6J3I UltraSafe™ 3-Pole Fuse Holder 600V 60A Class J with DIN Rail Mount

MPN: US6J3I
UPC: 782001830915
PPN: FER-US6J3I

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Description

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

Features

Engineered with a rugged, IP20-rated polyamide body, this modular fuse holder completely eliminates exposed live metal parts to shield technicians from dangerous electrical shocks. This dead-front, "finger-safe" construction allows for secure, routine industrial panel maintenance and ensures your facility maintains strict compliance with OSHA and IEC workplace safety regulations.
Each of the three poles features a built-in visual blown fuse indicator that lights up immediately upon a circuit interruption. This integrated diagnostic tool eliminates the frustrating, time-consuming need for manual multimeter testing across complex electrical enclosures, dramatically reducing equipment downtime and allowing maintenance crews to swap blown 60A Class J fuses instantly.
Designed for quick-snap installation onto any standard 35mm DIN rail, this compact 3-pole block maximizes valuable real estate inside high-density industrial control panels. It features a unique latching mechanism that securely locks open for effortless repositioning and pressure plate wire routing (#2 to 14 AWG), speeding up both new panel building and retrofitting for 600V motors, lighting circuits, and transformer loads.
Rated for a full 60 Amps at 600V AC/DC, this high-performance holder delivers a massive 200kA Short Circuit Current Rating (SCCR) when paired with standard Class J ferrule fuses. It provides highly reliable overcurrent protection to prevent catastrophic equipment damage, fully satisfying stringent UL 4248-8 and CSA C22.2 certification requirements for commercial power distribution systems.