Siemens BQ3B040 - 3-Pole Circuit Breaker 40A 240V 10kA
Siemens BQ3B040 - 3-Pole Circuit Breaker 40A 240V 10kA
Siemens BQ3B040 - 3-Pole Circuit Breaker 40A 240V 10kA
Siemens BQ3B040 - 3-Pole Circuit Breaker 40A 240V 10kA
Siemens BQ3B040 - 3-Pole Circuit Breaker 40A 240V 10kA
Siemens BQ3B040 - 3-Pole Circuit Breaker 40A 240V 10kA
Siemens BQ3B040 - 3-Pole Circuit Breaker 40A 240V 10kA
Siemens BQ3B040 - 3-Pole Circuit Breaker 40A 240V 10kA

Siemens BQ3B040 - 3-Pole Circuit Breaker 40A 240V 10kA

Siemens
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Siemens BQ3B040 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase electrical systems. It features a 40A current rating and a 240V AC voltage rating, housed within a compact, bolt-on design measuring 2.563" x 3.00" x 3.972" (65.1mm x 76.2mm x 100.9mm) and weighing 1.014 lb. This thermal-magnetic breaker, compliant with UL, CSA, and HACR standards, offers 10kA interrupting capacity at 240V and is engineered for installation in Siemens panelboards within an operating temperature range of -25°C to 70°C.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Bolt-on Connection
  • Voltage Rating: 240V AC
  • Current Rating: 40A
  • Frame Size: 125A/BQ
  • Poles: 3
  • AIC Rating: 10kA @ 240V AC
  • Phase: 3
  • Functions: Long-Time and Instantaneous (LI)
  • Connection: Bolt-on, Lug Terminal
  • Standards & Certification: UL Listed, CSA Certified, HACR Rated
  • Operating Temperature: -25°C to 70°C
  • Dimensions: 2.563" x 3.00" x 3.972" (65.1mm x 76.2mm x 100.9mm)
  • Weight: 1.014 lb
  • Wire Size Range: Minimum 2 AWG (Al) / 4 AWG (Cu), Maximum 1/0 AWG
  • Panel Type: Siemens Panelboards
  • Breaker Type: Standard
  • Protection: Thermal Magnetic
  • Country of Origin: Mexico
  • Family: BQ Series


Product Identification
  • UPC: 783643102613
  • GTIN: 00783643102613