US3J US6J


Mersen UltraSafe modular class J fuseholders introduce a new level of
safety and ease for installing or replacing class J fuses.
UltraSafe fuseholders qualify as finger-safe to an IP20 grade of
protection under IEC standards.
The US3J accommodates 30A class J or IEC cylindrical 22x58mm fuses.
The US6J accommodates 60A class J.
UltraSafe fuseholders are available in compact 1, 2, or 3-pole units, with
or without visual blown fuse indication.
Multiple poles can be assembled in the field by ordering and installing
pin-tie handles.
US3J and US6J fuseholders can be mounted on 35mm DIN-rail. Body material
is a tough and durable polyamide.