Siemens BQ2B040 - Molded Case Circuit Breaker 40A 2-Pole
Siemens BQ2B040 - Molded Case Circuit Breaker 40A 2-Pole
Siemens BQ2B040 - Molded Case Circuit Breaker 40A 2-Pole
Siemens BQ2B040 - Molded Case Circuit Breaker 40A 2-Pole
Siemens BQ2B040 - Molded Case Circuit Breaker 40A 2-Pole
Siemens BQ2B040 - Molded Case Circuit Breaker 40A 2-Pole
Siemens BQ2B040 - Molded Case Circuit Breaker 40A 2-Pole
Siemens BQ2B040 - Molded Case Circuit Breaker 40A 2-Pole

Siemens BQ2B040 - Molded Case Circuit Breaker 40A 2-Pole

Siemens
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Siemens BQ2B040 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 2.571" x 2.00" x 3.736" and weighing 0.617 lb. This thermal-magnetic breaker, compliant with UL, CSA, and HACR standards, is engineered for operation in temperatures from -25°C to 70°C and is typically applied in Siemens panelboards for branch circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, Standard Type
  • Voltage Rating: 120/240V AC
  • Current Rating: 40A
  • Frame Size: 125A/BQ
  • Poles: 2
  • AIC Rating: 10kA @ 240V
  • Connection: Bolt-on, Lug Terminal
  • Phase: 1
  • Functions: LI (Long-Time and Instantaneous Trip)
  • MCM Size / Wire Range: Min. 12 AWG (Al) / 14 AWG (Cu), Max. 6 AWG
  • Dimensions: 2.571" H x 2.00" W x 3.736" D
  • Weight: 0.617 lb
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Standards & Certification: UL Listed, CSA Certified, HACR Rated
  • Panel Type: Siemens Panelboards
  • Country of Origin: Mexico
  • Family: BQ Series


Product Identification
  • UPC: 783643102439
  • GTIN: 00783643102439