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Siemens LGB3B020B - Molded Case Circuit Breaker, 20A 3P 480V

Siemens
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Siemens LGB3B020B is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase electrical systems. It features a 20A current rating and a 480V AC voltage rating, housed within a compact, bolt-on configuration measuring 2.961" x 2.87" x 4.991" and weighing 2.756 lb. The breaker is constructed for robust performance, offering thermal-magnetic protection with long-time and instantaneous (LI) trip functions and is certified to UL, CSA, IEC, and NOM standards. It is engineered for demanding industrial applications, supporting copper or aluminum conductors from sizes 14 to 10 AWG and operating effectively within a temperature range of -25°C to 70°C (-13°F to 158°F). Typical applications include protection for feeders, branch circuits, and motor loads in industrial control panels and distribution equipment.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 480V AC
  • Current Rating: 20A
  • Dimensions: 2.961" H x 2.87" W x 4.991" D (75.2mm x 72.9mm x 126.8mm)
  • Standards: UL, CSA, IEC, NOM
  • Applications: Industrial Feeder and Branch Circuit Protection, Motor Load Protection
  • Phase: 3
  • AIC Rating: 65kA @ 480V
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous (LI)
  • Connection: Bolt-On
  • Wire Size: 14 - 10 AWG, CU/AL
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Weight: 2.756 lb (1.25 kg)
  • Family: VL Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 887621220228
  • GTIN: 00887621220228