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Siemens LGB3K050B - Molded Case Circuit Breaker 50A 600V 3-Pole

Siemens
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Siemens LGB3K050B is a molded case circuit breaker designed for providing reliable thermal-magnetic protection in industrial power distribution systems. It features a 50A current rating and a 600V AC voltage rating, housed within a compact GB2 frame measuring 2.87 x 2.961 x 4.988 inches (72.9 x 75.2 x 126.7 mm) and weighing 2.756 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 65kA interrupting capacity at 480V and bolt-on connection for 8 to 1/0 AWG copper or aluminum conductors make it suitable for panelboards, switchboards, and motor control centers.

Key Features & Specifications
  • Type: GB2 Series Molded Case Circuit Breaker, Thermal Magnetic Protection
  • Voltage Rating: 600V AC
  • Current Rating: 50A
  • Dimensions: 2.87 x 2.961 x 4.988 in (72.9 x 75.2 x 126.7 mm)
  • Standards: UL, CSA, IEC, NOM
  • Applications: Industrial Power Distribution, Panelboards, Motor Control Centers
  • Switch Type: Circuit Breaker
  • Configuration: Bolt-On
  • Temp Rating: -25°C to 70°C
  • Phase: 3-Phase
  • AIC Rating: 65kA @ 480V AC
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: GB2 Frame
  • Wire Size: 8 to 1/0 AWG, Copper or Aluminum
  • Certification: UL, CSA, IEC, NOM
  • Country of Origin: Mexico
  • Weight: 2.756 lb


Product Identification
  • UPC: 804766340390
  • GTIN: 00804766340390