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Eaton Cutler-Hammer BR145 - 45A Thermal-Magnetic Circuit Breaker

Cutler Hammer
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Eaton Cutler-Hammer BR145 is a single-pole, plug-in molded case circuit breaker designed to provide reliable overcurrent protection for 120V AC branch circuits. It features a 45A thermal-magnetic trip unit with long-time and instantaneous (LI) functions and a 10kA interrupting rating at 120V AC. The compact unit measures 3" x 3" x 1" and weighs 0.3 lb, constructed for durability and compliant with UL 489 and Federal Specification W-C375 standards. It is engineered for use in industrial control panels, commercial electrical distribution, and residential load centers requiring dependable circuit protection.

Key Features & Specifications
  • Type: BR Series, Molded Case, Thermal-Magnetic Protection
  • Voltage Rating: 120V AC
  • Current Rating: 45A
  • Dimensions: 3 in (L) x 3 in (H) x 1 in (W)
  • Weight: 0.3 lb
  • Standards: UL 489, Federal Specification W-C375
  • Applications: Industrial Control Panels, Commercial/Residential Load Centers
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Phase: 1
  • AIC Rating: 10kA @ 120V
  • Connection: Plug-In
  • Poles: 1
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous (LI)
  • Frame Size: BR
  • Trip Type: Thermal-Magnetic
  • Breaker Type: Molded Case
  • Certification: UL 489, Federal Specifications Classification W-C375
  • Circuit Breaker Mounting Style: Plug-In
  • Terminal Connection: Plug-In
  • Family: BR Series
  • Country of Origin: Dominican Republic


Product Identification
  • UPC: 782114372098
  • GTIN: 00782114372098