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

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