Cooper Bussmann LPN-RK-400SP Low Voltage Low-Peak 250V 400A Fuse - Essential Electric Supply
LPN-RK-400SP Bussmannn Low-Peak Low Voltage Fuse 250V 400A Fuse - Essential Electric Supply
LPN-RK-400SP Bussmannn Low-Peak Low Voltage Fuse 250V 400A Fuse - Essential Electric Supply
Cooper Bussmann LPN-RK-400SP Low Voltage Low-Peak 250V 400A Fuse - Essential Electric Supply
LPN-RK-400SP Bussmannn Low-Peak Low Voltage Fuse 250V 400A Fuse - Essential Electric Supply
LPN-RK-400SP Bussmannn Low-Peak Low Voltage Fuse 250V 400A Fuse - Essential Electric Supply

Bussmann LPN-RK-400SP - Class RK1 Fuse 400A 250V (300kA AIC)

Bussmann
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The Bussmann LPN-RK-400SP is a Low-Peak time-delay, Class RK1 fuse designed to provide reliable branch circuit and feeder protection in industrial electrical systems. It features a 400A current rating and a 250V AC voltage rating, with a high 300kA interrupting capacity at rated voltage for robust short-circuit protection. The fuse is constructed as a single-barrel unit with a 2.36-inch diameter and an overall length of 8.63 inches, weighing 1.75 lb. It complies with key industry standards, including UL and CSA certifications, ensuring suitability for demanding applications such as motor protection, transformer protection, and service entrance equipment in commercial and industrial facilities.

Key Features & Specifications
  • Type: Low-Peak time-delay, current-limiting fuse, Class RK1
  • Voltage Rating: 250V AC
  • Current Rating: 400A
  • Dimensions: 8.63 in L x 2.36 in H x 2.36 in W
  • Weight: 1.75 lb
  • Diameter: 2.36 in
  • Class Rating: RK1
  • Barrels: 1
  • AIC Rating: 300kA @ 250V
  • Standards: CE, UL (Guide JFHR, JDDZ, File E4273), CSA (Class 1422-02, File 53787, C22.2 No. 248.12)
  • Applications: Industrial branch circuit and feeder protection, motor circuits, transformer protection
  • Country of Origin: Mexico


Product Identification
  • UPC: 051712538558
  • GTIN: 00051712538558