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Siemens NGB3K045B - Molded Case Circuit Breaker 45A 600V 3P

Siemens
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Siemens NGB3K045B is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial power distribution systems. It features a 45A current rating and a 600V AC voltage rating, housed within a compact, bolt-on configuration measuring 4.098" x 6.902" x 4.598" and weighing 2.601 lb. This thermal-magnetic breaker complies with UL and IEC standards and is engineered for operation in temperatures from -13°F to 158°F. Its typical applications include protecting feeders and branch circuits in commercial and industrial panels where a 25kA interrupting capacity at 480V is required for two-phase systems.

Key Features & Specifications
  • Type: NGB Series Molded Case Circuit Breaker, Thermal-Magnetic Protection with Long Time and Instantaneous Trip Functions
  • Voltage Rating: 600V AC
  • Current Rating: 45A
  • Dimensions: 4.098" H x 6.902" W x 4.598" D
  • Standards: UL, IEC Certified
  • Applications: Industrial Power Distribution, Feeder and Branch Circuit Protection
  • Phase: 2
  • AIC Rating: 25kA @ 480V
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Wire Size: 8 to 1/0 AWG, Copper or Aluminum
  • Temp Rating: -13°F to 158°F
  • Weight: 2.601 lb
  • Country of Origin: Mexico
  • Family: VL Series


Product Identification
  • UPC: 804766339486
  • GTIN: 00804766339486