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Siemens LGB3K125B - Molded Case Circuit Breaker 125A 600V

Siemens
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Siemens LGB3K125B is a molded case circuit breaker designed for providing reliable thermal-magnetic protection against overloads and short circuits in industrial power distribution systems. It features a 125A current rating and a 600V voltage rating, housed within a compact GB2 frame with bolt-on connections and dimensions of 2.87" x 2.961" x 4.988" (73mm x 75mm x 127mm) and a weight of 2.756 lb. The breaker is certified to UL, CSA, IEC, and NOM standards and operates effectively within a temperature range of -25°C to 70°C. Its 65kA interrupting capacity at 480V and compatibility with 8 to 1/0 AWG copper or aluminum conductors make it suitable for a wide range of commercial and industrial panelboard and switchboard applications.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, GB2 Series
  • Voltage Rating: 600V AC
  • Current Rating: 125A
  • Dimensions: 2.87" H x 2.961" W x 4.988" D (73mm x 75mm x 127mm)
  • Standards: UL, CSA, IEC, NOM
  • Applications: Industrial Power Distribution, Panelboards, Switchboards
  • Switch Type: Circuit Breaker
  • Configuration: Bolt-On
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Phase: 3-Phase
  • Amperage: 125A
  • AIC rating: 65kA @ 480V
  • 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: 804766340468
  • GTIN: 00804766340468