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Siemens LGB3B045B - Molded Case Circuit Breaker 45A 600V 3P

Siemens
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Siemens LGB3B045B is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase electrical systems. It features a 45A current rating and a 600V voltage rating, housed within a compact, robust enclosure measuring 2.961" x 2.87" x 4.998" and weighing 2.756 lb. The breaker is constructed with a thermal-magnetic trip unit for long-time and instantaneous (LI) protection and complies with UL, CSA, IEC, and NOM standards. It is typically applied in industrial panelboards and switchboards for protecting feeders and branch circuits.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 600V AC
  • Current Rating: 45A
  • Dimensions: 2.961" x 2.87" x 4.998" (75.2mm x 72.9mm x 126.9mm)
  • Standards: UL, CSA, IEC, NOM
  • Applications: Industrial Panelboards, Switchboards, Feeder & Branch Circuit Protection
  • Phase: 3
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI (Long-Time and Instantaneous)
  • AIC rating: 100kA @ 240V
  • Connection: Bolt-On
  • Wire Size: AWS 8 to AWS 1/0, Copper or Aluminum
  • Temp Rating: -25°C to +70°C (-13°F to 158°F)
  • Family: VL Series
  • Country of Origin: Mexico
  • Weight: 2.756 lb


Product Identification
  • UPC: 887621220273
  • GTIN: 00887621220273