S&C Electric 486300R4 - High-Voltage Fuse Refill 69kV (SM-4 Family)
S&C Electric 486300R4 - High-Voltage Fuse Refill 69kV (SM-4 Family)

S&C Electric 486300R4 - High-Voltage Fuse Refill 69kV (SM-4 Family)

S&C Electric
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S&C Electric 486300R4 is a high-voltage fuse refill designed for circuit protection in industrial power distribution systems. This SM-4 family fuse operates at 69,000V with a slow blow velocity characteristic, providing reliable overcurrent protection for critical infrastructure. The 486-type refill features durable construction with precise calibration for consistent interruption performance, meeting stringent industry standards for electrical safety. Its 1 lb compact design ensures compatibility with existing fuse cutouts while maintaining robust protection capabilities. Typical applications include utility substations, industrial plants, and other high-voltage environments requiring dependable circuit interruption.

Key Features & Specifications
  • Type: 486 slow-blow fuse refill for SM-4 cutouts
  • Voltage Rating: 69,000V AC
  • Current Rating: Matches host fuse assembly specifications
  • Velocity: Slow blow characteristic
  • Weight: 1 lb
  • Standards: Meets industry requirements for high-voltage protection
  • Applications: Utility substations, industrial power distribution
  • Section: Fuse Refills
  • Family: SM-4