Siemens B370H - 3-Pole Molded Case Circuit Breaker 70A 240V
Siemens B370H - 3-Pole Molded Case Circuit Breaker 70A 240V

Siemens B370H - 3-Pole Molded Case Circuit Breaker 70A 240V

Siemens
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Siemens B370H is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase industrial electrical systems. It features a 70A current rating and a 240V voltage rating, housed within a compact, bolt-on design measuring 2.563" x 3.00" x 3.122" and weighing 0.948 lb. The breaker is constructed for durability with a thermal-magnetic trip unit providing both long-time and instantaneous protection, and it complies with key industry standards including UL, CSA, HACR, and NOM. This 3-pole, 22kA interrupting capacity breaker is typically applied in Siemens P1 panelboards for protecting feeder and branch circuits in commercial and industrial facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Standard
  • Voltage Rating: 240V AC
  • Current Rating: 70A
  • Dimensions: 2.563" H x 3.00" W x 3.122" D (65.1mm x 76.2mm x 79.3mm)
  • Standards: UL Listed, CSA Certified, HACR Rated, NOM Certified
  • Applications: Siemens P1 Panelboards, Industrial & Commercial Distribution
  • Frame Size: 125A/BLH
  • Phase: 3
  • Poles: 3
  • Connection: Bolt-on, Lug Terminal
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • AIC Rating: 22kA @ 240V
  • Breaker Type: Standard
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • MCM Size / Wire Range: Min. 8 AWG, Max. 2 AWG (Aluminum) or 4 AWG (Copper)
  • Weight: 0.948 lb
  • Family: BL Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 783643264045
  • GTIN: 00783643264045