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Siemens HB2B045 - Molded Case Circuit Breaker 45A 2-Pole

Siemens
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Siemens HB2B045 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial and commercial electrical systems. It features a 45A current rating and a 240V AC voltage rating, with a compact, robust construction that includes a two-pole, bolt-on configuration for secure installation. This thermal magnetic breaker complies with relevant industry standards and offers an interrupting capacity of 65kA at 240V, utilizing long-time and instantaneous (LI) trip functions for precise protection. Its typical applications include safeguarding feeders, branch circuits, and equipment within panelboards and switchboards.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, BQ Series (HBQ), Thermal Magnetic Protection with LI (Long-time and Instantaneous) Functions
  • Voltage Rating: 240V AC
  • Current Rating: 45A
  • Poles: 2
  • Phase: 1
  • Connection: Bolt-On
  • AIC Rating: 65kA @ 240V
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Family: BQ Series
  • Item Subcategory: Molded Case
  • Weight: 3 lb


Product Identification
  • Manufacturer Part Number: HB2B045