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Siemens HGB3K050B - Molded Case Circuit Breaker, 50A 600V 3P

Siemens
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Siemens HGB3K050B is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial electrical systems. It features a 50A current rating and a 600V voltage rating, housed within a compact GB2 frame measuring 2.87 x 2.961 x 4.988 inches and weighing 2.756 lb. This three-pole, bolt-on breaker utilizes a thermal-magnetic trip mechanism with long-time and instantaneous (LI) functions, offers an interrupting capacity of 35kA at 480V, and is certified to UL, CSA, IEC, and NOM standards for operation from -25°C to 70°C. It is typically applied in panelboards and switchboards for protecting three-phase power distribution circuits.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, GB2 Series, Thermal-Magnetic Protection
  • Voltage Rating: 600V AC
  • Current Rating: 50A
  • Dimensions: 2.87 x 2.961 x 4.988 inches (72.9 x 75.2 x 126.7 mm)
  • Standards: UL, CSA, IEC, NOM Certified
  • Applications: Industrial Panelboards, Switchboards, Three-Phase Power Distribution
  • Switch Type: Circuit Breaker
  • Configuration: Fixed
  • Phase: 3-Phase
  • Amperage: 50A
  • AIC Rating: 35kA @ 480V AC
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Thermal-Magnetic
  • Functions: Long-Time and Instantaneous (LI)
  • Frame Size: GB2 Frame
  • Trip Type: Thermal-Magnetic
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Mounting: Panel Mount
  • Certification: UL, CSA, IEC, NOM
  • Circuit Breaker Mounting Style: Fixed
  • Terminal Connection: Screw/Bolt
  • Standards: UL 489, CSA C22.2 No. 5, IEC 60947-2
  • Country of Origin: Mexico
  • Weight: 2.756 lb (1.25 kg)


Product Identification
  • UPC: 804766339943
  • GTIN: 00804766339943