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ACP Electrical Fittings STB45400L - Class L Fuse 400A 600V

ACP Electrical Fittings
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ACP Electrical Fittings STB45400L is a heavy-duty industrial fuse designed for overcurrent protection in high-power electrical systems. It is rated for 400 amps at 600 volts AC, providing reliable interruption of fault currents in branch circuits and main feeders. The fuse features a compact, non-renewable cartridge construction with ferrule terminals, weighing 5.19 lb, and is built to withstand harsh industrial environments. It complies with UL and CSA standards for Class L fuses, ensuring safe and consistent performance. Typical applications include protection of switchboards, panelboards, motor control centers, and large industrial machinery.

Key Features & Specifications
  • Type: Class L, non-renewable cartridge fuse, ferrule terminals
  • Voltage Rating: 600 V AC
  • Current Rating: 400 A
  • Dimensions: Compact ferrule-style body
  • Standards: UL Listed, CSA Certified
  • Applications: Switchboards, panelboards, motor control centers, industrial machinery
  • Weight: 5.19 lb


Product Identification
  • UPC: 78138140378
  • GTIN: 00781381403788