Siemens B345H - 3-Pole Molded Case Circuit Breaker (45A, 240V)
Siemens B345H - 3-Pole Molded Case Circuit Breaker (45A, 240V)

Siemens B345H - 3-Pole Molded Case Circuit Breaker (45A, 240V)

Siemens
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Siemens B345H is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase electrical systems. It features a 45A current rating and a 240V voltage rating, housed within a compact, bolt-on frame measuring 2.563" x 3.00" x 3.122" and weighing 0.948 lb. This thermal-magnetic breaker is constructed for durability with a wide operating temperature range of -25°C to 70°C and complies with key industry standards including UL, CSA, and NOM. It is typically applied in industrial and commercial settings, specifically within Siemens P1 panelboards, to safeguard equipment with its 22kA interrupting capacity at 240V.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, Standard Breaker Type
  • Voltage Rating: 240V
  • Current Rating: 45A
  • Dimensions: 2.563" H x 3.00" W x 3.122" D
  • Standards: UL Listed, CSA Certified, HACR Rated, NOM Certified
  • Applications: Industrial and Commercial Electrical Distribution, Siemens P1 Panelboards
  • Phase: 3-Phase
  • AIC Rating: 22kA @ 240V
  • Poles: 3
  • Connection: Bolt-on, Lug Terminal
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: 125A/BLH
  • Breaker Type: Standard
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • MCM Size: Wire Size 8 AWG (Min) to 2 AWG Aluminum or 4 AWG Copper (Max)
  • Weight: 0.948 lb
  • Family: BL Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 783643306356
  • GTIN: 00783643306356