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Westinghouse MD4K - Mounting Kit for 800A Frame Breakers

Cutler Hammer
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Westinghouse MD4K is a heavy-duty circuit breaker mounting kit designed for installing and securing compatible circuit breakers within PRL4A-style panelboards. It provides a robust 600V AC-rated connection for single-branch applications, constructed with durable copper components within an 800-amp frame. This 35 lb hardware assembly is CSA certified and engineered to mount E2M, MD, MDL, HMDL, HMDLB, and HMCP breaker types, facilitating reliable circuit protection for industrial power distribution systems handling 300 to 800 amps.

Key Features & Specifications
  • Type: Mounting hardware kit for circuit breakers
  • Voltage Rating: 600V AC
  • Current Rating: 300-800A
  • Frame Size: 800
  • Configuration: Single Branch
  • Panel Type: PRL4A
  • Panel Style: PRL4A
  • Metal Type: Copper
  • Weight: 35 lb
  • Certification: CSA
  • Compatible Frames: E2M, MD, MDL, HMDL, HMDLB, HMCP
  • Breaker Type: E2M, MD, MDL, HMDL, HMDLB, HMCP
  • Item Subcategory: Mounting Hardware
  • Family: PRL4a