S&C Electric 488175R4 - High-Voltage Fuse Refill 115kV (SM-4 Family Slow-Blow)

S&C Electric 488175R4 is a high-voltage fuse refill designed for circuit protection in industrial power distribution systems. Rated for 115kV applications, this slow-blow fuse provides reliable overcurrent protection with precise interruption characteristics. The SM-4 family fuse features durable construction with standardized refill dimensions for compatibility with existing cutout assemblies. It meets industry standards for high-voltage protection devices and is commonly deployed in utility substations, industrial plants, and transmission line applications where robust circuit interruption is required.

Key Features & Specifications

• Type: 488 series slow-operating fuse refill for SM-4 cutouts
• Voltage Rating: 115,000V AC
• Current Rating: Matches host cutout specifications
• Velocity: Slow-blow operation
• Section: Fuse Refills
• Weight: 1 lb
• Family: SM-4
• Standards: Meets utility-grade high-voltage protection requirements
• Applications: Substations, transmission lines, industrial power distribution