Siemens BQ1B040 - 40A 1-Pole Thermal Magnetic Circuit Breaker
Siemens BQ1B040 - 40A 1-Pole Thermal Magnetic Circuit Breaker
Siemens BQ1B040 - 40A 1-Pole Thermal Magnetic Circuit Breaker
Siemens BQ1B040 - 40A 1-Pole Thermal Magnetic Circuit Breaker
Siemens BQ1B040 - 40A 1-Pole Thermal Magnetic Circuit Breaker
Siemens BQ1B040 - 40A 1-Pole Thermal Magnetic Circuit Breaker
Siemens BQ1B040 - 40A 1-Pole Thermal Magnetic Circuit Breaker
Siemens BQ1B040 - 40A 1-Pole Thermal Magnetic Circuit Breaker

Siemens BQ1B040 - 40A 1-Pole Thermal Magnetic Circuit Breaker

Siemens
Price
Save $76.84
/
Condition
  • In stock, ready to ship
  • Backordered, shipping soon
Call for Price
Siemens BQ1B040 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in 120V AC single-phase electrical systems. It features a 40A current rating and a 10kA interrupting capacity at its rated voltage, housed within a compact, bolt-on design measuring 2.571" x 1.00" x 3.736" and weighing 0.309 lb. The breaker utilizes a thermal-magnetic trip unit for combined long-time and instantaneous (LI) protection and is constructed for use in Siemens panelboards with lug-style terminal connections compatible with wire sizes from 12 AWG (Al) / 14 AWG (Cu) minimum to 10 AWG maximum. It complies with major industry standards, being UL Listed, CSA Certified, and HACR Rated, ensuring suitability for a range of commercial and light industrial applications requiring dependable circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, Bolt-on Connection
  • Voltage Rating: 120V AC
  • Current Rating: 40A
  • Frame Size: 125A/BQ
  • Poles: 1
  • Phase: 1
  • AIC Rating: 10kA @ 120V
  • Trip Functions: LI (Long-Time and Instantaneous)
  • Connection: Bolt-on, Lug Terminal
  • Compatible Panel Type: Siemens Panelboards
  • Wire Size (MCM): Min 12 AWG (Al) / 14 AWG (Cu), Max 10 AWG
  • Dimensions: 2.571" H x 1.00" W x 3.736" D
  • Weight: 0.309 lb
  • Standards & Certification: UL Listed, CSA Certified, HACR Rated
  • Breaker Type: Standard
  • Country of Origin: Mexico


Product Identification
  • UPC: 783643102361
  • GTIN: 00783643102361