S&C Electric 252100R3 - SM-4 Medium Voltage Fuse 14.4kV/65A (Class E Slow-Blow)

The S&C Electric 252100R3 is a medium-voltage SM-4 fuse designed for circuit protection in industrial power distribution systems. Rated for 14,400V AC with a 65A current capacity, this Class E fuse features slow-blow velocity characteristics for controlled interruption of fault currents. Its robust construction includes precision-engineered fusible elements housed in a durable 2 lb enclosure, complying with IEEE C37.40 standards for medium-voltage fuses. Typical applications include transformer protection, feeder circuits, and switchgear installations requiring reliable overcurrent protection.

Key Features & Specifications

• Type: SM-4 medium-voltage current-limiting fuse (slow-blow)
• Voltage Rating: 14,400V AC
• Current Rating: 65A
• Class Rating: E
• Interrupting Capacity: Meets IEEE C37.40 standards
• Weight: 2 lb
• Applications: Transformer protection, feeder circuits, switchgear