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Siemens NGB3K040B - Molded Case Circuit Breaker 40A 600V 3P

Siemens
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Siemens NGB3K040B is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial power distribution systems. It features a 40A current rating and a 600V voltage rating, suitable for robust electrical management. The breaker is constructed with a compact GB2 frame measuring 6.902 x 4.701 x 4.098 inches and a bolt-on connection for secure installation, weighing 2.646 lb. It complies with UL and IEC standards, ensuring adherence to rigorous safety and performance requirements. Typical applications include protecting feeders, motors, and branch circuits in commercial and industrial panels.

Key Features & Specifications
  • Type: NGB Molded Case Circuit Breaker, Thermal Magnetic Protection
  • Voltage Rating: 600V AC
  • Current Rating: 40A
  • Dimensions: 6.902" x 4.701" x 4.098" (175.3mm x 119.4mm x 104.1mm)
  • Standards: UL, IEC
  • Applications: Industrial power distribution, feeder and branch circuit protection
  • Switch Type: Circuit Breaker
  • Configuration: Fixed
  • Phase: 2
  • Amperage: 40A
  • AIC Rating: 25kA @ 480V
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: GB2 Frame
  • Trip Type: Thermal Magnetic
  • Wire Size: 8 to 1/0 AWS, Copper/Aluminum
  • Temp Rating: -13°F to 158°F (-25°C to 70°C)
  • Family: VL Series
  • Country of Origin: Mexico
  • Weight: 2.646 lb (1.2 kg)


Product Identification
  • UPC: 804766339479
  • GTIN: 00804766339479