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Siemens NGB3B040B - Molded Case Circuit Breaker 40A 600V 3P

Siemens
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Siemens NGB3B040B is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase industrial power distribution systems. It features a 40A current rating and a 600V AC voltage rating, housed within a compact GG frame measuring 3" x 5.4" x 2.8" and weighing 2.615 lb with a robust bolt-on connection. This thermal magnetic breaker complies with UL and IEC standards and offers an interrupting capacity of 25kA at 480V AC. Its LI (Long-time and Instantaneous) tripping functions and operational temperature range from -13°F to 158°F make it suitable for protecting feeders and branch circuits in panelboards and switchgear.

Key Features & Specifications
  • Type: NGB Molded Case Circuit Breaker, Thermal Magnetic Protection
  • Voltage Rating: 600V AC
  • Current Rating: 40A
  • Dimensions: 3" H x 5.4" W x 2.8" D
  • Standards: UL, IEC Certified
  • Applications: Industrial Power Distribution, Panelboards, Switchgear
  • Phase: 3
  • AIC Rating: 25kA @ 480V AC
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI (Long-Time and Instantaneous)
  • Frame Size: GG Frame
  • Trip Type: Thermal Magnetic
  • Temp Rating: -13°F to 158°F
  • Weight: 2.615 lb
  • Family: VL Series


Product Identification
  • UPC: 783643414303
  • GTIN: 00783643414303