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Mersen - formerly Ferraz Shawmut


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Ferraz Shawmut 690/700V PSC fuse-links provide maximum flexibility in equipment design and ultimate protection for today’s power conversion equipment. These square body fuse-links are available in four different body sizes, each size having seven worldwide acceptable mounting styles. The different mounting styles and body sizes long with a broad range of ampere ratings allow greatest flexibility in equipment design.The Ferraz Shawmut PSC fuses have been engineered to provide state-of-the-art  protection for SCR’s, diodes, thyristors, GTO’s and IGBT devices. They have pure silver, die-cut elements embedded in solidified sand, which helps control arcing characteristics for low I2t and high interrupting rating. All contact surfaces are silver plated and all hardware is non-magnetic.  All fuse links are equipped with a low voltage trip-indicator. This trip-indicator can operate a field mountable microswitch which is easily mounted directly onto the fuse even while in service.

Features and Benefits

Choice of mounting styles gives wide choice for equipment designBroad range of ampere ratings in a given body size for design flexibilityIEC 269-4 compliance for worldwide semiconductor applicationsExtremely Fast ActingCurrent LimitingVery Low I2tWorldwide AcceptabilitySuperior Cycling Ability

Approvals and Compliances

UL Recognized ComponentSizes 30,31,32,33Tested to IEC 269.4RoHS Compliant

AC Rating

  • AC: 40-2500A
  • 500-700 VAC
  • 200 kA IR

DC Rating

  • DC: Consult Factory


E76491 (JFHR2.E76491)


1422-30 (049184_0_000)