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Hardware Resource Company 21-D166TJK - Dual Branch Breaker 600V 400A

Hardware Resource Company
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Hardware Resource Company 21-D166TJK is a dual/twin branch circuit breaker designed for overcurrent protection in industrial power distribution systems. It operates at a voltage rating of 600V and supports an amperage range from 70A minimum to 400A maximum. This unit features copper metal construction, weighs 15 lb, and is configured as a dual/twin branch breaker compatible with TJK, THJK, TJJ, and TJD frames. It complies with industry standards for mounting hardware in panel types AV-1, AV-2, and CCB. Typical applications include branch circuit protection in commercial and industrial electrical panels requiring high-current dual branch configurations.

Key Features & Specifications
  • Type: Dual/Twin Branch Circuit Breaker
  • Voltage Rating: 600V
  • Amperage Minimum: 70
  • Amperage Maximum: 400
  • Configuration: Dual/Twin Branch
  • Metal Type: Copper
  • Weight: 15 lb
  • Panel Type: AV-1, AV-2, CCB
  • Compatible Frames: TJK, THJK, TJJ, TJD
  • Breaker Type: TJK, THJK, TJJ, TJD
  • Family: AV
  • Item Subcategory: Mounting Hardware


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