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Siemens LGB1B045B - Molded Case Breaker 45A 1P (65kA AIC)

Siemens
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Siemens LGB1B045B is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial and commercial electrical systems. It features a 45A current rating and a 347V voltage rating, housed in a compact, single-pole (1P) bolt-on configuration with dimensions of 0.969" x 2.87" x 4.1003" and a weight of 0.86 lb. The breaker utilizes a thermal-magnetic trip unit for Long-Time and Instantaneous (LI) protection, offers an interrupting capacity of 65kA at 277V, and operates reliably within a temperature range of -25°C to 70°C (-13°F to 158°F). It is certified to UL, CSA, IEC, and NOM standards, ensuring compliance for safety-critical applications in panelboards, switchboards, and motor control centers.

Key Features & Specifications
  • Type: HGB Molded Case Circuit Breaker, Thermal-Magnetic Protection
  • Voltage Rating: 347V AC
  • Current Rating: 45A
  • Dimensions: 0.969" x 2.87" x 4.1003" (24.6mm x 72.9mm x 104.1mm)
  • Standards: UL, CSA, IEC, NOM
  • Applications: Panelboards, Switchboards, Motor Control Centers
  • Switch Type: Circuit Breaker
  • Configuration: Single-Pole (1P)
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Shipping Dimensions: Based on unit dimensions
  • Phase: 1
  • Amperage: 45A
  • AIC rating: 65kA @ 277V
  • Connection: Bolt-On
  • Poles: 1
  • Protection: Thermal Magnetic
  • Functions: LI (Long-Time and Instantaneous)
  • Frame Size: VL Series
  • Certification: UL, CSA, IEC, NOM
  • Mounting: Bolt-On
  • Family: VL Series
  • Country of Origin: Mexico
  • Weight: 0.86 lb


Product Identification
  • UPC: 887621219970
  • GTIN: 00887621219970