S&C Electric 121075R3 - SM-4 Medium Voltage Fuse 7200V/50A (Class E Rated)

S&C Electric 121075R3 is a medium-voltage SM-4 fuse designed for circuit protection in industrial power distribution systems, featuring a Class E rating for high-performance interruption. The fuse operates at 7200V with a 50A current rating, providing reliable overcurrent protection in demanding electrical environments. Its robust construction includes a standard-velocity design with a compact form factor, weighing 2 lb for easy installation in switchgear and transformer applications. Compliant with industry standards for medium-voltage protection, this fuse is commonly deployed in utility substations, industrial plants, and commercial power distribution networks where precise fault interruption is critical.

Key Features & Specifications

• Type: SM-4 medium-voltage fuse with Class E interruption rating
• Voltage Rating: 7200V AC
• Current Rating: 50A
• Class Rating: E
• Velocity: Standard
• Weight: 2 lb
• Applications: Industrial power distribution, utility substations, transformer protection