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Siemens LGB3B050B - Molded Case Circuit Breaker 50A 600V 3P

Siemens
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Siemens LGB3B050B is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase electrical systems. It features a 50A current rating and a 600V voltage rating, housed within a compact, bolt-on configuration measuring 2.961" x 2.87" x 4.999" and weighing 2.756 lb. The breaker utilizes a thermal-magnetic trip unit for both long-time and instantaneous (LI) protection functions and is certified to UL, CSA, IEC, and NOM standards for broad industrial application. Its 100kA interrupting capacity at 240V and operational temperature range of -25°C to 70°C make it suitable for demanding environments such as panelboards, switchboards, and industrial control panels.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 600V AC
  • Current Rating: 50A
  • Dimensions: 2.961" x 2.87" x 4.999" (75.2mm x 72.9mm x 127mm)
  • Standards: UL, CSA, IEC, NOM
  • Applications: Panelboards, Switchboards, Industrial Control Panels
  • Phase: 3
  • AIC Rating: 100kA @ 240V
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI (Long Time and Instantaneous)
  • Connection: Bolt-On
  • Wire Size: 8 to 1/0 AWS CU/AL
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Weight: 2.756 lb
  • Family: VL Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 887621220280
  • GTIN: 00887621220280