S&C Electric 252050R4 - Type E Fuse Refill 15.5kV 200A (SM-4 Family)
S&C Electric 252050R4 - Type E Fuse Refill 15.5kV 200A (SM-4 Family)

S&C Electric 252050R4 - Type E Fuse Refill 15.5kV 200A (SM-4 Family)

S&C Electric
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S&C Electric 252050R4 is a Type E fuse refill designed for overcurrent protection in medium-voltage electrical distribution systems. Rated for 15.5 kV AC operation with a 200A interrupting current capacity, this SM-4 family fuse features a durable silver-sand construction for reliable arc quenching in fault conditions. The unit meets IEEE C37.41 standards for distribution-class fuses and is UL-listed for industrial power applications. Typical installations include switchgear protection, transformer circuits, and feeder protection in utility and industrial power systems.

Key Features & Specifications
  • Type: Silver-sand current-limiting fuse refill (SM-4 family)
  • Voltage Rating: 15.5 kV AC
  • Current Rating: 200A interrupting capacity
  • Dimensions: Standard SM-4 fuse barrel configuration
  • Standards: IEEE C37.41, UL listed
  • Applications: Switchgear, transformer, and feeder protection
  • Fuse Class: Distribution class E
  • Weight: 1 lb
  • Section: Fuse Refills