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Siemens LGB2B040B - Molded Case Circuit Breaker 40A 600V 2-Pole

Siemens
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Siemens LGB2B040B is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial and commercial electrical systems. It features a 40A current rating and a 600V AC voltage rating, housed within a compact, durable frame measuring 1.969" x 2.87" x 4.993" (50mm x 73mm x 127mm) and weighing 1.852 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 (-13°F to 158°F). Its typical applications include protection for feeders, branch circuits, and equipment within panelboards and switchboards.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, LI (Long-Time and Instantaneous) Functions
  • Voltage Rating: 600V AC
  • Current Rating: 40A
  • Dimensions: 1.969" x 2.87" x 4.993" (50mm x 73mm x 127mm)
  • Standards: UL, CSA, IEC, NOM
  • Applications: Industrial & Commercial Panelboards, Switchboards, Feeder and 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: 100kA @ 240V
  • Connection: Bolt-On
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Wire Size: 8 - 1/0 AWS (Copper/Aluminum)
  • Certification: UL, CSA, IEC, NOM
  • Family: VL Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 887621220112
  • GTIN: 00887621220112