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Siemens LGB2B045B - Molded Case Circuit Breaker 45A 600V 2-Pole

Siemens
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Siemens LGB2B045B is a molded case circuit breaker designed for providing reliable thermal-magnetic protection in industrial power distribution systems. It features a 45A current rating and a 600V AC voltage rating, housed within a compact, bolt-on configuration measuring 1.969" x 2.87" x 4.994" (50mm x 73mm x 127mm) and weighing 1.852 lb. The device complies with UL, CSA, IEC, and NOM standards and is engineered for operation in temperatures from -25°C to 70°C. Its typical applications include protecting feeders and branch circuits in commercial and industrial panels, supporting wire sizes from 8 AWG to 1/0 AWG for both copper and aluminum conductors.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection with Long Time and Instantaneous Trip Functions
  • Voltage Rating: 600V AC
  • Current Rating: 45A
  • Dimensions: 1.969" x 2.87" x 4.994" (50mm x 73mm x 127mm)
  • Standards: UL, CSA, IEC, NOM
  • Applications: Industrial power distribution, feeder and branch circuit protection
  • Phase: 1
  • AIC Rating: 100kA @ 240V
  • Connection: Bolt-On
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Wire Size: 8 AWG to 1/0 AWG, CU/AL
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Family: VL Series
  • Country of Origin: Mexico
  • Weight: 1.852 lb


Product Identification
  • UPC: 887621220129
  • GTIN: 00887621220129