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Square D EDB14045 - Molded Case Circuit Breaker 45A 277V

Square D
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Square D EDB14045 is a molded case circuit breaker designed for providing reliable thermal-magnetic protection against overloads and short circuits in industrial and commercial electrical systems. It features a 45A current rating and a 277V voltage rating, housed within a compact, bolt-on frame measuring 143.76 mm H x 24.89 mm W x 102.87 mm D and weighing 1.323 lb. The breaker is constructed for compliance with cULus and IEC standards and is specifically engineered for integration into Square D NF panelboards. Its typical applications include protecting branch circuits in lighting, appliance, and equipment panels where dependable circuit interruption is required.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic Protection, Standard Breaker Type
  • Voltage Rating: 277V AC
  • Current Rating: 45A
  • Frame Size: 125A/EDB
  • AIC Rating: 18kA @ 480V
  • Poles: 1
  • Phase: 1
  • Connection: Bolt-On, Lug Terminal
  • Protection: Long Time and Instantaneous Trip Functions
  • Wire Size: Minimum 12 AWG (Al) / 14 AWG (Cu), Maximum 6 AWG
  • Dimensions: 5.66 in (143.76 mm) H x 0.98 in (24.89 mm) W x 4.05 in (102.87 mm) D
  • Weight: 1.323 lb
  • Temp Rating: 104°F (40°C)
  • Standards & Certification: cULus, IEC
  • Panel Type: Square D NF Panelboards
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901335139
  • GTIN: 00785901335139