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Siemens BQ3B045L - 45A 3-Pole Thermal Magnetic Breaker

Siemens
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Siemens BQ3B045L is a Type BQ molded case circuit breaker designed for overcurrent protection in Siemens panelboards. This 3-pole, 3-phase unit provides thermal-magnetic protection with LI (Long-Time and Instantaneous) functions, rated for 240V and 45A continuous current with a 10kA interrupting capacity at 240V. The breaker features a feed-thru connection with lug terminals, measures 2.756 x 2.756 x 3.937 inches, and weighs 1.213 lb. It is UL Listed, CSA certified, and HACR rated, making it suitable for industrial and commercial applications requiring reliable branch circuit protection.

Key Features & Specifications
  • Type: BQ Molded Case Circuit Breaker
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 240V
  • Current Rating: 45A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 10kA@240V
  • Terminal Connection: Lug
  • Connection: Feed-Thru
  • Dimensions: 2.756 x 2.756 x 3.937 inch
  • Weight: 1.213 lb
  • Panel Type: Siemens Panelboards
  • Standards: HACR Rated, UL Listed
  • Certification: CSA, HACR, UL
  • Country of Origin: Mexico


Product Identification
  • UPC: 783643237278
  • GTIN: 00783643237278