S&C Electric 252100R4 - Class E Fuse Refill (SM-4 Family, Medium-Voltage Protection)
S&C Electric 252100R4 - Class E Fuse Refill (SM-4 Family, Medium-Voltage Protection)

S&C Electric 252100R4 - Class E Fuse Refill (SM-4 Family, Medium-Voltage Protection)

S&C Electric
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S&C Electric 252100R4 is a Class E fuse refill designed for overcurrent protection in medium-voltage electrical systems. It operates at standard distribution voltages with a current-interrupting capacity suitable for industrial power networks, featuring a durable silver-sand construction for reliable arc quenching. The fuse meets IEEE C37.41 standards for expulsion-type fuses and is UL-recognized for safety compliance. Typical applications include protecting transformers, capacitors, and feeder circuits in utility and industrial power distribution systems.

Key Features & Specifications
  • Type: Class E expulsion fuse refill, silver-sand construction
  • Voltage Rating: Medium-voltage distribution systems (specific kV to be confirmed per installation)
  • Current Rating: Matches SM-4 fuse family specifications
  • Standards: IEEE C37.41, UL recognized
  • Applications: Transformer/capacitor protection, feeder circuits
  • Family: SM-4
  • Section: Fuse Refills
  • Weight: 1 lb