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Hardware Resource Company 21-B178SL6 - LD Frame 600A Breaker (400-600A)

Hardware Resource Company
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Hardware Resource Company 21-B178SL6 is a circuit breaker designed for providing overcurrent protection in industrial power distribution systems. It operates with a voltage rating of 600V AC and handles a current range from 400A to 600A, housed within a robust 600A frame constructed with copper components for optimal conductivity and durability. This breaker is engineered for compatibility with S4, P4, SPP, FPP, and F1 panel styles and meets relevant industry standards for safety and performance. Its single-branch configuration makes it suitable for protecting dedicated circuits in facilities such as manufacturing plants, data centers, and commercial buildings.

Key Features & Specifications
  • Type: LD Family, SL6 Type, Single Branch Configuration Circuit Breaker
  • Voltage Rating: 600V AC
  • Current Rating: 400A - 600A
  • Frame Size: 600A
  • Metal Type: Copper
  • Configuration: Single Branch
  • Panel Type / Style: S4, P4, SPP, FPP, F1
  • Compatible Frames / Breaker Type: LD, LXD, HLD, HLXD
  • Weight: 25 lb


Product Identification
  • Manufacturer Part Number: 21-B178SL6