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Thomas & Betts 54443 - Masterpact Circuit Breaker (UL Certified)

Thomas & Betts
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Thomas & Betts 54443 is a circuit breaker designed for overcurrent protection in industrial power distribution systems. It provides reliable circuit interruption with key electrical ratings tailored for demanding applications. The unit features a compact, robust construction with dimensions of 78.49 mm in depth by 112.78 mm in width and a weight of 12.5 lb. It is UL certified, ensuring compliance with critical safety and performance standards for use in communications power supply sections and similar industrial environments.

Key Features & Specifications
  • Type: Masterpact 544 series circuit breaker for overcurrent protection
  • Voltage Rating: Specific to communications power supply applications
  • Current Rating: Designed for industrial power distribution
  • Dimensions: 78.49 mm (Depth) x 112.78 mm (Width)
  • Standards: UL Certified
  • Applications: Communications power supply, industrial power distribution
  • Certification: UL
  • Section: Communications Power Supply
  • Family: Masterpact
  • Item Subcategory: Parts And Accessories


Product Identification
  • UPC: 786210544434
  • GTIN: 00095327544436