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Cutler Hammer BR2125ST - 125A Molded Case Breaker (240V, 10kA)

Cutler Hammer
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The Cutler Hammer BR2125ST is a molded case circuit breaker designed to provide reliable overcurrent and short-circuit protection for industrial and commercial electrical systems. It features a 125A current rating and a 240V AC voltage rating, housed in a compact 3.25" x 3" x 3" plug-in unit weighing 1 lb. This thermal-magnetic breaker is UL 489 listed and meets Federal Specification W-C375, ensuring compliance with rigorous safety standards for applications such as panelboards and switchboards. Its 10kA interrupting rating at 240V and integrated 120V shunt trip provide robust protection and control for single-phase circuits.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection with Long Time and Instantaneous Trip Functions
  • Voltage Rating: 240V AC
  • Current Rating: 125A
  • Dimensions: 3.25 in (Depth) x 3 in (Height) x 3 in (Width)
  • Standards: UL 489, Federal Specifications Classification W-C375
  • Applications: Industrial and Commercial Panelboards, Switchboards
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Phase: 1
  • Amperage: 125A
  • AIC rating: 10kA @ 240V
  • Connection: Plug-In
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous
  • Wire Size: #4-2/0 AWG Cu/Al
  • Certification: UL 489, Federal Specifications Classification W-C375
  • Additional Info: Complete with 120V Shunt Trip
  • Family: BR Series
  • Country of Origin: Dominican Republic


Product Identification
  • UPC: 786676000420
  • GTIN: 00786676000420