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Siemens LGB1B050B - Molded Case Circuit Breaker 50A 1P

Siemens
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Siemens LGB1B050B is a molded case circuit breaker designed for providing reliable thermal-magnetic protection against overloads and short circuits in industrial and commercial electrical systems. It features a 50A current rating and a 347V voltage rating, housed in a compact, bolt-on configuration measuring 0.969" x 2.87" x 4.1004" and weighing 0.86 lb. The device is certified to UL, CSA, IEC, and NOM standards and operates effectively across a temperature range of -25°C to 70°C. Its typical applications include protecting feeders and branch circuits in panelboards and switchboards, supporting wire sizes from 8 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: 347V AC
  • Current Rating: 50A
  • Dimensions: 0.969" x 2.87" x 4.1004" (24.6mm x 72.9mm x 104.2mm)
  • Standards: UL, CSA, IEC, NOM
  • Applications: Industrial and Commercial Feeder/Branch Circuit Protection
  • Switch Type: Circuit Breaker
  • Configuration: Bolt-On Connection
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Phase: 1
  • AIC Rating: 65kA @ 277V
  • Connection: Bolt-On
  • Poles: 1
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Wire Size: 8 to 1/0 AWG, Copper or Aluminum
  • Certification: UL, CSA, IEC, NOM
  • Family: VL Series
  • Country of Origin: Mexico
  • Weight: 0.86 lb


Product Identification
  • UPC: 887621219987
  • GTIN: 00887621219987