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Square D EDB34045 - 3-Pole Circuit Breaker 45A 480V (18kA AIC)

Square D
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Square D EDB34045 is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase electrical systems. It features a 45A current rating and a 480Y/277V voltage rating, housed within a compact 125A frame with dimensions of 143.76 mm H x 74.68 mm W x 102.87 mm D and a weight of 3.57 lb. The breaker utilizes a thermal-magnetic trip unit for long-time and instantaneous protection, is certified to cULus and IEC standards, and is typically applied in NF panelboards for industrial and commercial power distribution.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Standard, Thermal Magnetic Protection
  • Voltage Rating: 480Y/277V AC
  • Current Rating: 45A
  • Frame Size: 125A/EDB
  • AIC Rating: 18kA @ 480V AC
  • Poles: 3
  • Connection: Bolt-On, Lug Terminal
  • Trip Functions: LI (Long-Time & Instantaneous)
  • Phase: 3
  • Wire Size: Min. 12 AWG (Al) / 14 AWG (Cu), Max. 2 AWG
  • Panel Type: NF Panelboard
  • Standards & Certification: cULus, IEC
  • Operating Temperature: 40 °C (104 °F) Max
  • Dimensions: 143.76 mm H x 74.68 mm W x 102.87 mm D (5.66 in x 2.94 in x 4.05 in)
  • Weight: 3.57 lb
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901307235
  • GTIN: 00785901307235
  • Family: EDB Series