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Siemens HGB3K045B - Molded Case Circuit Breaker, 45A 600V 3-Pole

Siemens
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Siemens HGB3K045B is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial electrical systems. It features a 45A current rating and a 600V AC voltage rating, housed within a compact, bolt-on configuration measuring 2.87 x 2.961 x 4.988 inches and weighing 2.756 lb. The breaker is constructed with a thermal-magnetic trip unit offering long-time and instantaneous (LI) protection functions, ensuring compliance with UL, CSA, IEC, and NOM standards. Its 35kA interrupting capacity at 480V and operational temperature range of -25°C to 70°C make it suitable for a wide array of commercial and industrial panelboard applications.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, GB2 Series, Thermal-Magnetic Protection
  • Voltage Rating: 600V AC
  • Current Rating: 45A
  • Dimensions: 2.87" x 2.961" x 4.988" (72.9mm x 75.2mm x 126.7mm)
  • Standards: UL, CSA, IEC, NOM
  • Applications: Industrial Panelboards, Motor Control Centers, Commercial Distribution
  • Switch Type: Circuit Breaker
  • Configuration: Bolt-On
  • Phase: 3-Phase
  • AIC Rating: 35kA @ 480V AC
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous (LI)
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Weight: 2.756 lb (1.25 kg)
  • Country of Origin: Mexico


Product Identification
  • UPC: 804766339936
  • GTIN: 00804766339936