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Siemens BQ2B040H - 40A 2-Pole Circuit Breaker (22kA AIC)

Siemens
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Siemens BQ2B040H is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in single-phase electrical systems. It features a 40A current rating and a 120/240V voltage rating, housed within a compact, bolt-on frame measuring 2.756" x 1.969" x 3.937" and weighing 0.595 lb. This thermal magnetic breaker is constructed for durability with a temperature rating of -25°C to 70°C and complies with key industry standards including UL, CSA, and HACR. It is typically applied in Siemens panelboards for commercial and light industrial applications, offering a high interrupting capacity of 22kA at 240V for enhanced safety.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic Protection, BQH Series, High Interrupting Capacity
  • Voltage Rating: 120/240V AC
  • Current Rating: 40A
  • Dimensions: 2.756" H x 1.969" W x 3.937" D (70mm x 50mm x 100mm)
  • Standards: UL Listed, CSA Certified, HACR Rated
  • Applications: Siemens Panelboards, Commercial & Light Industrial Distribution
  • Switch Type: Circuit Breaker
  • Configuration: Bolt-on
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Phase: 1
  • AIC Rating: 22kA @ 240V
  • Connection: Bolt-on
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: LI (Long-Time and Instantaneous Trip)
  • Frame Size: 125A/BQH
  • Panel Type: Siemens Panelboards
  • Breaker Type: High Interrupting Capacity
  • MCM Size: Wire Range 2 AWG (Al) / 4 AWG (Cu) to 1/0 AWG
  • Terminal Connection: Lug
  • Certification: CSA, HACR, UL
  • Family: BQ Series
  • Country of Origin: Mexico
  • Weight: 0.595 lb


Product Identification
  • UPC: 783643161610
  • GTIN: 00783643161610