Bussmann JCK-A-18R - Medium Voltage Fuse 390A (Class R, 50kA AIC)
Bussmann JCK-A-18R - Medium Voltage Fuse 390A (Class R, 50kA AIC)
Bussmann JCK-A-18R - Medium Voltage Fuse 390A (Class R, 50kA AIC)
Bussmann JCK-A-18R - Medium Voltage Fuse 390A (Class R, 50kA AIC)

Bussmann JCK-A-18R - Medium Voltage Fuse 390A (Class R, 50kA AIC)

Bussmann
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The Bussmann JCK-A-18R is a medium voltage current-limiting fuse designed for high-capacity circuit protection in industrial power systems. It features a 390A current rating and 2540V voltage rating with an interrupting capacity of 50kA at 2400V, providing reliable fault current protection. The fuse utilizes a dual-barrel construction with a 3-inch diameter and weighs 7 pounds, featuring Class R rejection characteristics to prevent installation of lower-rated fuses. This Eaton JC Series component meets industry standards for medium voltage applications and is typically deployed in motor control centers, transformer protection, and industrial power distribution systems where high interrupting capacity and current-limiting performance are required.

Key Features & Specifications
  • Type: Medium voltage current-limiting fuse, dual-barrel construction, Class R rejection feature
  • Voltage Rating: 2540V
  • Current Rating: 390A
  • Dimensions: 3-inch diameter
  • Standards: Class R rejection standard
  • Applications: Industrial power distribution, motor control centers, transformer protection
  • AIC rating: 50kA@2400V
  • Barrels: 2
  • Class Rating: R
  • Weight: 7 lb
  • Family: JC Series
  • Type: JCK


Product Identification
  • UPC: 05171259731
  • GTIN: 00051712597319