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Siemens BQ2B125H - Molded Case Circuit Breaker 125A 2-Pole (22kA AIC)

Siemens
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Siemens BQ2B125H is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in commercial and industrial electrical systems. It features a 125A current rating and a 240V AC voltage rating, housed in a compact, durable enclosure measuring 2.756" x 1.969" x 3.937" (70mm x 50mm x 100mm) and weighing 0.772 lb. This thermal-magnetic breaker is HACR rated and UL Listed/CSA certified, ensuring compliance with key North American safety standards for use in HVAC equipment and Siemens panelboards. Its 22kA interrupting capacity at 240V and bolt-on lug connection make it suitable for protecting feeder and branch circuits in single-phase applications.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection with Long-Time and Instantaneous (LI) Trip Functions
  • Voltage Rating: 240V AC
  • Current Rating: 125A
  • Dimensions: 2.756" W x 1.969" D x 3.937" H (70mm x 50mm x 100mm)
  • Standards: UL Listed, CSA Certified, HACR Rated
  • Applications: Feeder and branch circuit protection in commercial/industrial panels, HVAC equipment
  • Phase: 1
  • AIC Rating: 22kA @ 240V
  • Connection: Bolt-On
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous Trip (LI)
  • Panel Type: Siemens Panelboards
  • Breaker Type: BQH (BQ Series)
  • Terminal Connection: Lug
  • Certification: CSA, HACR, UL
  • Weight: 0.772 lb


Product Identification
  • UPC: 783643000735
  • GTIN: 00783643000735