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

S&C Electric 122250R3 is a medium-voltage SM-4 fuse designed for circuit protection in industrial power distribution systems. Rated for 14.4kV AC operation with a 150A current capacity, this Class E fuse provides reliable overcurrent protection for medium-voltage applications. The 2 lb unit features a robust construction with standard velocity characteristics, ensuring consistent interruption performance. Compliant with industry standards for medium-voltage protection devices, it is commonly deployed in utility substations, industrial plants, and commercial power distribution networks.

Key Features & Specifications

• Type: SM-4 medium-voltage fuse with Class E rating
• Voltage Rating: 14,400V AC
• Current Rating: 150A
• Class Rating: E
• Velocity: Standard interruption characteristics
• Weight: 2 lb
• Applications: Industrial power distribution, utility substations, medium-voltage circuit protection