S&C Electric 261300R4 - Slow-Blow Fuse Refill 7200V AC (SM-4 Family)

S&C Electric 261300R4 is a slow-blow fuse refill designed for high-voltage circuit protection in industrial power distribution systems. Rated for 7200V AC applications, this SM-4 family fuse provides reliable overcurrent protection with its precision-engineered fusible element. The 1 lb refill cartridge features durable construction for repeated use in fuse cutouts, meeting stringent utility-grade performance requirements. Compliant with industry standards for medium-voltage protection, it's commonly deployed in substations, transformers, and feeder circuits where controlled interruption is critical.

Key Features & Specifications

• Type: 261 slow-blow fuse refill cartridge for SM-4 cutouts
• Voltage Rating: 7200V AC
• Current Rating: Matches host fuse assembly specifications
• Velocity: Slow-blow (time-delay) operation
• Weight: 1 lb
• Standards: Utility-grade protection for medium-voltage systems
• Applications: Substation equipment, transformer protection, distribution feeders
• Family: SM-4 fuse system compatible
• Section: Fuse refills (replacement element)