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Hardware Resource Company 21-A181MD4 - Mounting Kit for 300-800A Breakers

Hardware Resource Company
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Hardware Resource Company 21-A181MD4 is a single branch circuit breaker mounting kit designed for installing compatible circuit breakers into PRL4A-type panelboards. It is rated for systems up to 600V and supports breakers with amperage ratings from 300A to 800A. The kit is constructed with durable copper components and has a weight of 35 lb, engineered for secure and reliable mounting of compatible breaker frames including E2M, MD, MDL, HMDL, HMDLB, and HMCP types within industrial electrical assemblies.

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


Product Identification
  • Manufacturer Part Number: 21-A181MD4