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Siemens NGB1K045B - Molded Case Circuit Breaker 45A 347V

Siemens
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Siemens NGB1K045B 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 within a compact, durable frame measuring 6.598 x 3.5 x 1.098 inches and weighing 0.661 lb. This single-pole, bolt-on breaker utilizes a thermal-magnetic trip mechanism with long-time and instantaneous (LI) functions, ensuring compliance with UL and IEC standards for safety and performance. Its 25kA interrupting capacity at 277V makes it suitable for protecting feeders and branch circuits in panelboards and switchboards operating in environments from -13°F to 158°F.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 347V AC
  • Current Rating: 45A
  • Dimensions: 6.598 x 3.5 x 1.098 inch (167.6 x 88.9 x 27.9 mm)
  • Standards: UL, IEC
  • Applications: Industrial & Commercial Panelboards, Switchboards, Feeder & Branch Circuit Protection
  • Switch Type: Circuit Breaker
  • Configuration: Single-Pole
  • Phase: 1
  • AIC Rating: 25kA @ 277V
  • Connection: Bolt-On
  • Poles: 1
  • Protection: Thermal Magnetic
  • Functions: LI (Long-Time and Instantaneous)
  • Temp Rating: -13°F to 158°F (-25°C to 70°C)
  • Family: VL Series
  • Country of Origin: Mexico
  • Weight: 0.661 lb


Product Identification
  • UPC: 804766339189
  • GTIN: 00804766339189