Mersen
Group: Mersen

Semiconductor protection square body fuse, class aR
500 - 750 VAC, 1200 - 5750 A | Protistor® Mersen

The PSR-LR Protistor® fuse-links is a high performance range designed to provide
the best flexibility in equipment design and ultimate protection for today's power
conversion equipment.
The Protistor® have been engineered to provide state-of-the-art protection for
semiconductors: diodes, thyristors, GTO's and IGBT devices. Fuses are assembled with
pure silver, die-cut elements embedded in solidified sand, which helps control arcing
characteristics for a lower I²t and high interrupting rating level. All contact surfaces are
plated and all hardware is non-magnetic.
All fuse-links can be equipped with a low voltage trip-indicator which can operate a field
mountable microswitch.


Applications :

Protection of inverters, UPS
systems, motor drives and similar
750V or less equipment for standard
50/60Hz or specific low or high
frequency applications.
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