S&C Electric 262040R4 - SM-4 Fuse Refill 14.4kV (Slow-Blow Industrial Protection)
S&C Electric 262040R4 - SM-4 Fuse Refill 14.4kV (Slow-Blow Industrial Protection)

S&C Electric 262040R4 - SM-4 Fuse Refill 14.4kV (Slow-Blow Industrial Protection)

S&C Electric
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S&C Electric 262040R4 is a slow-blow fuse refill designed for high-voltage circuit protection in industrial power distribution systems. Rated for 14.4kV applications, this SM-4 family fuse provides reliable overcurrent protection with its precision-engineered fusible element housed in a durable ceramic body. The 1 lb refill unit features standardized dimensions for compatibility with existing fuse cutouts, meeting IEEE C37.41 standards for medium-voltage fuses. Typical applications include transformer protection, feeder circuits, and industrial switchgear installations where controlled interruption of fault currents is critical.

Key Features & Specifications
  • Type: 262 series slow-operating fuse refill with ceramic housing
  • Voltage Rating: 14,400V AC
  • Current Rating: Compatible with SM-4 fuse family ratings
  • Dimensions: Standard SM-4 cutout compatible
  • Standards: IEEE C37.41 compliant
  • Applications: Industrial power distribution, transformer protection
  • Velocity: Slow-blow operation
  • Section: Fuse Refills
  • Weight: 1 lb
  • Family: SM-4