A2K400R Mersen A2K-R Series Low Voltage Fuse 250V 400A Fuse - Essential Electric Supply
A2K400R Mersen A2K-R Series Low Voltage Fuse 250V 400A Fuse - Essential Electric Supply

Mersen A2K400R - RK1 Class Fuse 400A (200kA@250V Interrupt Rating)

Mersen
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Mersen A2K400R is a low-voltage current-limiting fuse designed for circuit protection in industrial power distribution systems. This RK1-class fuse features a 400A current rating and 250V voltage rating with a 200kA interrupting capacity, housed in a durable 8.63-inch cylindrical body with 2.06-inch diameter. Constructed with time-delay characteristics for motor circuit protection, it meets UL/CSA standards for reliable operation in demanding environments. Typical applications include motor control centers, panelboards, and industrial machinery requiring high-fault current protection.

Key Features & Specifications
  • Type: A2K-R series current-limiting time-delay fuse
  • Voltage Rating: 250V AC
  • Current Rating: 400A
  • Dimensions: 8.63" length x 2.06" diameter
  • Weight: 1 lb
  • Standards: UL/CSA listed
  • Applications: Motor circuits, industrial power distribution
  • Class Rating: RK1
  • Barrels: 1
  • AIC rating: 200kA@250V
Product Identification
  • UPC: 782001915360
  • GTIN: 00782001915360