Siemens BQ3B05000S01 - 3-Pole 50A Thermal Magnetic Breaker
Siemens BQ3B05000S01 - 3-Pole 50A Thermal Magnetic Breaker

Siemens BQ3B05000S01 - 3-Pole 50A Thermal Magnetic Breaker

Siemens
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Siemens BQ3B05000S01 is a 3-pole molded case circuit breaker from the BQ Series, designed for thermal-magnetic overcurrent protection with a built-in non-interchangeable 120V shunt trip for remote tripping capability. This 50A breaker is rated for 240V with a 10kA interrupting capacity and provides LI (Long-Time and Instantaneous) protection functions. The unit measures 5.906 x 3.937 x 3.937 inches, weighs 1.543 lb, and features a bolt-on connection with lug terminals that accept 8 AWG to 4 AWG aluminum or 6 AWG copper wire. It is UL Listed, HACR Rated, and CSA certified, meeting rigorous industry standards for safety and performance. This breaker is intended for use in Siemens panelboards and is suited for commercial and industrial power distribution applications requiring reliable circuit protection and shunt trip functionality.

Key Features & Specifications
  • Type: BQ
  • Family: BQ Series
  • Poles: 3
  • Current Rating: 50A
  • Voltage Rating: 240V
  • Frame Size: 125A/BQ
  • Interrupt Rating: 10kA @ 240V
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Breaker Type: Shunt Trip
  • Connection: Bolt-on
  • Terminal Connection: Lug
  • Min. Wire Size: 8 AWG (Al), 6 AWG (Cu)
  • Max. Wire Size: 4 AWG (Al), 6 AWG (Cu)
  • Dimensions: 5.906 x 3.937 x 3.937 inch
  • Weight: 1.543 lb
  • Phase: 3
  • Panel Type: Siemens Panelboards
  • Standards: HACR Rated, UL Listed
  • Certification: CSA, HACR, UL
  • Temp Rating: -13 to 158 °F (-25 to 70 °C)
  • Country of Origin: Mexico
  • Additional Info: complete with non-interchangeable 120V shunt trip


Product Identification
  • UPC: 783643237865
  • GTIN: 00783643237865