A30QS400-4 Mersen Low Voltage Fuse 300V 400A Fuse - Essential Electric Supply
A30QS400-4 Mersen Low Voltage Fuse 300V 400A Fuse - Essential Electric Supply
A30QS400-4 Mersen Low Voltage Fuse 300V 400A Fuse - Essential Electric Supply
A30QS400-4 Mersen Low Voltage Fuse 300V 400A Fuse - Essential Electric Supply
A30QS400-4 Mersen Low Voltage Fuse 300V 400A Fuse - Essential Electric Supply
A30QS400-4 Mersen Low Voltage Fuse 300V 400A Fuse - Essential Electric Supply

Cutler Hammer A30QS400-4 - Low Voltage Fuse 400A (200kA AIC)

Cutler Hammer
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Cutler Hammer A30QS400-4 is a low-voltage current-limiting fuse designed for providing high-interrupting capacity protection in industrial power distribution systems. It features a 400A current rating and a 300V AC voltage rating, with a robust bolt-in connection for secure installation in compatible fuse holders. The fuse is constructed with a single barrel, measures 3.84 inches in length and 1.5 inches in diameter, and is built to meet stringent industry standards including UL recognition and CE certification. Its 200kA interrupting rating at 300V ensures reliable protection against high fault currents in demanding applications such as service entrance equipment, switchboards, and industrial control panels.

Key Features & Specifications
  • Type: Low-voltage, current-limiting, bolt-in power fuse
  • Voltage Rating: 300V AC
  • Current Rating: 400A
  • Dimensions: 3.84 in length, 1.5 in diameter
  • Standards: UL Recognized (Guide JFHR2, File E60314), CE
  • Applications: Service entrance, switchboards, industrial power distribution
  • Connection: Bolt-In
  • Barrels: 1
  • AIC rating: 200kA @ 300V
  • Weight: 2 lb


Product Identification
  • UPC: 078200128085
  • GTIN: 00782001280857