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Siemens LGB1B040B - Molded Case Circuit Breaker 40A 1P

Siemens
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Siemens LGB1B040B is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial and commercial electrical systems. It features a 40A current rating and a 347V voltage rating, housed within a compact, bolt-on configuration measuring 0.969" x 2.87" x 4.1002" and weighing 0.86 lb. The breaker complies 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 feeders and branch circuits in panelboards and switchboards.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 347V AC
  • Current Rating: 40A
  • Dimensions: 0.969" x 2.87" x 4.1002" (24.6mm x 72.9mm x 104.1mm)
  • Standards: UL, CSA, IEC, NOM
  • Applications: Industrial & Commercial Panelboards, Switchboards, Feeder & Branch Circuit Protection
  • Switch Type: Circuit Breaker
  • Configuration: Single-Pole (1P)
  • AIC Rating: 65kA @ 277V
  • Phase: 1
  • Protection: Thermal-Magnetic
  • Functions: LI (Long-Time and Instantaneous)
  • Connection: Bolt-On
  • Poles: 1
  • Wire Size: 8 - 1/0 AWS (Copper/Aluminum)
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Family: VL Series
  • Country of Origin: Mexico
  • Weight: 0.86 lb


Product Identification
  • UPC: 887621219963
  • GTIN: 00887621219963