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Siemens BQ3B080H - 3P 80A Molded Case Circuit Breaker

Siemens
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Siemens BQ3B080H is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase electrical systems. It features an 80A current rating and a 240V voltage rating, housed within a compact 125A/BQH frame measuring 70 x 70 x 100 mm (2.756 x 2.756 x 3.937 inches) and weighing 1.146 lb. This thermal-magnetic breaker is constructed for bolt-on connection with lug terminals, supports wire sizes from 8 AWG to 2 AWG (Al) or 4 AWG (Cu), and operates within a temperature range of -25°C to 70°C (-13°F to 158°F). It complies with key industry standards, being UL Listed, CSA certified, and HACR rated for heating, air conditioning, and refrigeration equipment, with an interrupting capacity of 22kA at 240V AC. Typical applications include integration into Siemens panelboards for commercial and industrial power distribution.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, High Interrupting Capacity (BQH)
  • Voltage Rating: 240V AC
  • Current Rating: 80A
  • Dimensions: 70 x 70 x 100 mm (2.756 x 2.756 x 3.937 in)
  • Standards: UL Listed, CSA, HACR Rated
  • Applications: Commercial and Industrial Power Distribution, Siemens Panelboards
  • Switch Type: Circuit Breaker
  • Configuration: Fixed
  • Phase: 3
  • Poles: 3
  • Connection: Bolt-on
  • Terminal Connection: Lug
  • Frame Size: 125A/BQH
  • AIC Rating: 22kA @ 240V
  • Breaker Type: High Interrupting Capacity
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Panel Type: Siemens Panelboards
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • MCM Size: Min. Wire Size 8 AWG, Max. Wire Size 2 AWG (Aluminum) or 4 AWG (Copper)
  • Weight: 1.146 lb
  • Certification: CSA, HACR, UL
  • Family: BQ Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 783643224841
  • GTIN: 00783643224841