S&C Electric 122075R3 - SM-4 Medium Voltage Fuse 14.4kV/40A (Class E Rated)

S&C Electric 122075R3 is a medium-voltage SM-4 fuse designed for circuit protection in industrial power distribution systems. Rated for 14,400V AC operation with a 40A current capacity, this Class E fuse features robust construction with precision-engineered fusible elements housed in a durable 2 lb enclosure. The unit meets industry standards for medium-voltage protection, including ANSI/IEEE compliance for reliable performance in demanding environments. Typical applications include transformer protection, feeder circuits, and switchgear installations where high interrupting capacity is required.

Key Features & Specifications

• Type: SM-4 medium-voltage current-limiting fuse with Class E rating
• Voltage Rating: 14,400V AC
• Current Rating: 40A
• Class Rating: E
• Weight: 2 lb
• Standards: ANSI/IEEE compliant for medium-voltage protection
• Applications: Transformer protection, feeder circuits, switchgear