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Siemens B245H00S01 - 2-Pole 45A Thermal Magnetic Breaker

Siemens
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Siemens B245H00S01 is a 2-pole, 45A molded case circuit breaker from the BL Series, designed for thermal magnetic overload and short-circuit protection with a complete 120V shunt trip for remote disconnection. It operates at 120/240V with a 22kA interrupting capacity at 240V, supporting single-phase systems and accommodating wire sizes from 14 AWG (Cu) to 6 AWG via lug terminals. The bolt-on unit measures 3 in x 2 in x 2 in, weighs 0.705 lb, and is built for use in Siemens P1 panelboards within a temperature range of -13°F to 158°F (-25°C to 70°C). It complies with CSA, NOM, and UL standards and is HACR rated, making it suitable for residential, commercial, and light industrial applications.

Key Features & Specifications
  • Type: BLH
  • Current Rating: 45A
  • Voltage Rating: 120/240V
  • Poles: 2
  • Phase: 1
  • Interrupt Rating: 22kA at 240V
  • Frame Size: 125A/BLH
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Breaker Type: Shunt Trip
  • Connection: Bolt-On
  • Terminal Connection: Lug
  • Min. Wire Size: 12 AWG (Al), 14 AWG (Cu)
  • Max. Wire Size: 6 AWG
  • Dimensions: 3 in x 2 in x 2 in
  • Weight: 0.705 lb
  • Temp Rating: -13°F to 158°F (-25°C to 70°C)
  • Panel Type: Siemens P1 Panelboards
  • Standards: CSA Certified, HACR Rated, NOM Certified, UL Listed
  • Additional Info: complete with 120V shunt trip


  • UPC: 783643524750
  • GTIN: 00783643524750