S&C Electric 133007R4 - Medium Voltage Fuse Refill 25kV (SM-5 Class)

S&C Electric 133007R4 is a medium-voltage fuse refill designed for high-voltage circuit protection in industrial power systems. This SM-5 class fuse operates at 25,000V AC with standard interrupting characteristics, featuring a durable construction with precision-engineered fusible elements for reliable fault clearing. The 3 lb refill cartridge maintains compatibility with SM-5 fuse holders while meeting stringent industry standards for medium-voltage protection. Its robust design ensures compliance with utility-grade requirements for electrical distribution networks. Typical applications include transformer protection, feeder circuits, and industrial plant power distribution systems where high-voltage interruption is critical.

Key Features & Specifications

• Type: SM-5 class medium-voltage fuse refill
• Voltage Rating: 25,000V AC
• Class Rating: SM-5
• Velocity: Standard interrupting characteristics
• Weight: 3 lb
• Section: Fuse Refills
• Family: SM-5
• Construction: Precision fusible elements in durable cartridge
• Standards: Utility-grade medium-voltage protection
• Applications: Transformer protection, feeder circuits, industrial power distribution