Siemens B345HH - Molded Case Circuit Breaker 45A 3P (65kA AIC)
Siemens B345HH - Molded Case Circuit Breaker 45A 3P (65kA AIC)

Siemens B345HH - Molded Case Circuit Breaker 45A 3P (65kA AIC)

Siemens
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Siemens B345HH 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 construction measuring 2.563" x 3.00" x 3.122" and weighing 0.948 lb. The breaker is CSA, HACR, NOM, and UL listed, ensuring compliance with key North American safety standards for use in industrial and commercial applications such as Siemens P1 panelboards. Its thermal-magnetic trip mechanism provides both long-time and instantaneous protection with an interrupting capacity of 65kA at 240V.

Key Features & Specifications
  • Type: HBL Molded Case Circuit Breaker, Thermal Magnetic Protection
  • Voltage Rating: 240V AC
  • Current Rating: 45A
  • Dimensions: 2.563" H x 3.00" W x 3.122" D (65.1mm x 76.2mm x 79.3mm)
  • Standards: CSA Certified, HACR Rated, NOM Certified, UL Listed
  • Applications: Industrial and Commercial Panelboards
  • Switch Type: Circuit Breaker
  • Configuration: Bolt-on
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Shipping Dimensions: As per product dimensions
  • Phase: 3
  • Voltage: 240V
  • Amperage: 45A
  • AIC rating: 65kA @ 240V
  • Connection: Bolt-on
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: 125A/HBL
  • Trip Type: Thermal Magnetic
  • Panel Type: Siemens P1 Panelboards
  • Breaker Type: Standard
  • MCM Size: Min. 8 AWG, Max. 2 AWG (Al) / 4 AWG (Cu)
  • Mounting: Panel Mount
  • Hz: 50/60 Hz
  • Terminal Connection: Lug
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-Phase
  • Standards: CSA, HACR, NOM, UL
  • Certification: CSA, HACR, NOM, UL
  • Circuit Breaker Mounting Style: Bolt-on
  • Family: BL Series
  • Country of Origin: Mexico
  • Item Subcategory: Molded Case
  • Weight: 0.948 lb


Product Identification
  • UPC: 783643306363
  • GTIN: 00783643306363