S&C Electric 122040R3 - SM-4 Medium Voltage Fuse 14.4kV/25A (Class E Rated)

S&C Electric 122040R3 is a medium-voltage SM-4 fuse designed for high-voltage circuit protection in industrial power systems. Rated for 14.4kV AC operation with a 25A current capacity, this Class E fuse features a robust construction with standard velocity characteristics for reliable fault interruption. The 2 lb unit meets industry standards for medium-voltage protection, making it suitable for substations, transformers, and industrial switchgear applications.

Key Features & Specifications

• Type: SM-4 medium-voltage fuse with Class E rating
• Voltage Rating: 14,400V AC
• Current Rating: 25A
• Class Rating: E
• Velocity: Standard
• Weight: 2 lb
• Applications: Industrial power systems, substations, transformer protection