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Siemens B245HH - 2-Pole Circuit Breaker 45A 120/240V

Siemens
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Siemens B245HH is a molded case circuit breaker designed for providing reliable overcurrent protection in single-phase electrical systems. It features a 45A current rating and a 120/240V voltage rating, housed within a compact 3" x 2" x 2" frame with a bolt-on connection and lug terminals suitable for wire sizes from 8 AWG to 4 AWG (Al) or 6 AWG (Cu). This thermal-magnetic breaker, part of the BL Series, offers both long-time and instantaneous trip functions and is certified to UL, CSA, HACR, and NOM standards for safety and interoperability. With a 65kA interrupting capacity at 240V, it is engineered for use in Siemens P1 panelboards across commercial and light industrial applications requiring robust circuit protection.

Key Features & Specifications
  • Type: HBL Molded Case Circuit Breaker, Thermal-Magnetic Protection
  • Voltage Rating: 120/240V AC
  • Current Rating: 45A
  • Frame Size: 125A/HBL
  • Poles: 2
  • AIC Rating: 65kA @ 240V
  • Connection: Bolt-on, Lug Terminal
  • Phase: 1
  • Functions: Long Time and Instantaneous Trip
  • Panel Type: Siemens P1 Panelboards
  • Breaker Type: Standard
  • MCM Size: Min. 8 AWG, Max. 4 AWG (Al) / 6 AWG (Cu)
  • Dimensions: 3 in x 2 in x 2 in
  • Weight: 0.216 lb
  • Standards & Certification: UL Listed, CSA Certified, HACR Rated, NOM Certified
  • Family: BL Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 783643512887
  • GTIN: 00783643512887