S&C Electric Company 86641R2 Power Fuse Holder

The S&C Electric Company 86641R2 Power Fuse Holder is an indoor SM-5S fuse mounting designed to hold SM-series power fuses in 7.2–8.3 kV nominal distribution applications. Rated for 400 A, this holder is specified for use with SM‑5S fuse assemblies and their refill units, providing a reliable interface between the high‑voltage fuse element and the system bus for protection schemes. As part of S&C’s SM power fuse family, the 86641R2 is intended for indoor distribution configurations and is commonly deployed in switchgear or substation equipment that protects feeders and transformers by enabling quick fuse replacement when faults occur. The part number 86641R2 identifies the SM‑5S holder variant used with 7.2–8.3 kV protection schemes, ensuring compatibility with other SM‑series components in the same protection configuration. This holder is designed to integrate with standard SM components in high‑voltage installations, supporting the reliable and maintainable operation expected of S&C’s protection products in modern electrical grids.