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Siemens HGB1B045B - Molded Case Breaker 45A 347V (35kA AIC)

Siemens
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Siemens HGB1B045B is a molded case circuit breaker designed for providing reliable thermal-magnetic protection against overloads and short circuits in industrial and commercial electrical systems. It features a 45A current rating and a 347V AC voltage rating, housed within a compact, bolt-on configuration measuring 0.969" x 2.87" x 4.994" and weighing 0.86 lb. The breaker is certified to UL, CSA, IEC, and NOM standards and operates effectively across a temperature range of -25°C to 70°C. Its typical applications include protecting branch circuits and equipment in panelboards and switchboards, compatible with copper or aluminum conductors from size AWS 8 to AWS 1/0.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, LI (Long Time and Instantaneous) Trip Function
  • Voltage Rating: 347V AC
  • Current Rating: 45A
  • Dimensions: 0.969" x 2.87" x 4.994" (24.6mm x 72.9mm x 126.8mm)
  • Standards: UL, CSA, IEC, NOM
  • Applications: Industrial and Commercial Panelboards, Switchboards, Branch Circuit Protection
  • Switch Type: Circuit Breaker
  • Configuration: Bolt-On
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Phase: 1
  • AIC rating: 35kA @ 277V
  • Connection: Bolt-On
  • Poles: 1
  • Protection: Thermal Magnetic
  • Functions: LI - Long Time and Instantaneous Trip
  • Wire Size: AWS 8 to AWS 1/0, Copper or Aluminum
  • Certification: UL, CSA, IEC, NOM
  • Family: VL Series
  • Country of Origin: Mexico
  • Weight: 0.86 lb


Product Identification
  • UPC: 887621219529
  • GTIN: 00887621219529