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Siemens LGB3B125B - Molded Case Circuit Breaker 125A 600V 3P

Siemens
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Siemens LGB3B125B is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial power distribution systems. It features a 125A current rating and a 600V voltage rating, housed within a compact, bolt-on configuration measuring 2.961" x 2.87" x 4.1008" and weighing 2.756 lb. The breaker is constructed for robust performance, complying with UL, CSA, IEC, and NOM standards, and operates effectively across a temperature range of -25°C to 70°C. Its thermal-magnetic protection with long-time and instantaneous (LI) tripping functions makes it suitable for safeguarding three-phase motor circuits, panelboards, and other critical equipment in commercial and industrial facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 600V AC
  • Current Rating: 125A
  • Dimensions: 2.961" H x 2.87" W x 4.1008" D (75.2mm x 72.9mm x 104.2mm)
  • Standards: UL, CSA, IEC, NOM
  • Applications: Industrial Power Distribution, Panelboards, Motor Protection
  • Phase: 3
  • AIC Rating: 100kA @ 240V
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous (LI)
  • Connection: Bolt-On
  • Wire Size: 8 - 1/0 AWS (Copper/Aluminum)
  • 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: 887621220358
  • GTIN: 00887621220358