S&C Electric 122250R3 - SM-4 Medium Voltage Fuse 14.4 kV Class E (150A)
S&C Electric 122250R3 - SM-4 Medium Voltage Fuse 14.4 kV Class E (150A)
S&C Electric 122250R3 - SM-4 Medium Voltage Fuse 14.4 kV Class E (150A)
S&C Electric 122250R3 - SM-4 Medium Voltage Fuse 14.4 kV Class E (150A)

S&C Electric 122250R3 - SM-4 Medium Voltage Fuse 14.4 kV Class E (150A)

S&C Electric
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S&C Electric 122250R3 is a medium-voltage SM-4 current-limiting fuse designed for primary protection of transformers, capacitors, and feeders in electrical distribution systems. It features a 14.4 kV voltage rating and 150 A current rating with Class E performance for high-interrupting capacity applications. The fuse utilizes a silver-sand construction within a durable ceramic body, providing precise current limitation and reliable clearing of fault currents. It meets industry standards for medium-voltage protection equipment and is commonly deployed in utility substations, industrial power systems, and commercial electrical distribution networks.

Key Features & Specifications
  • Type: SM-4 current-limiting fuse, silver-sand construction, ceramic body
  • Voltage Rating: 14.4 kV AC
  • Current Rating: 150 A
  • Dimensions: Standard velocity design
  • Standards: Class E rating
  • Applications: Transformer protection, capacitor bank protection, feeder circuit protection
  • Fuse Class: E
  • Weight: 2 lb
  • Item Subcategory: Medium Voltage