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Siemens NGB1K040B - Molded Case Circuit Breaker 40A 1-Pole

Siemens
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Siemens NGB1K040B is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial and commercial electrical systems. It features a 40A current rating and a 347V voltage rating, suitable for single-phase applications. The compact, bolt-on unit is constructed with a durable molded case, measures 6.00 x 3.00 x 4.00 inches, and weighs 0.882 lb, operating reliably within a temperature range of -13°F to 158°F. This breaker complies with UL and IEC standards and offers a 25kA interrupting capacity at 277V. Typical applications include protection for feeders, branch circuits, and equipment within industrial control panels and switchgear.

Key Features & Specifications
  • Type: NGB Series Molded Case Circuit Breaker, Thermal Magnetic Protection
  • Voltage Rating: 347V AC
  • Current Rating: 40A
  • Dimensions: 6.00" x 3.00" x 4.00" (L x W x H)
  • Standards: UL, IEC
  • Applications: Industrial Control Panels, Switchgear, Feeder & Branch Circuit Protection
  • Switch Type: Circuit Breaker
  • Configuration: Bolt-On
  • Temp Rating: -13°F to 158°F
  • Shipping Dimensions: 6.00" x 3.00" x 4.00"
  • Phase: 1
  • Voltage: 347V
  • Amperage: 40A
  • AIC rating: 25kA @ 277V
  • Connection: Bolt-On
  • Poles: 1
  • Protection: Thermal Magnetic
  • Functions: LI (Long-Time and Instantaneous)
  • Frame Size: VL Series
  • Certification: UL, IEC
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Bolt-On
  • Phase Connection: Single-Phase
  • Standards: UL, IEC
  • Installation Type: Fixed
  • Breaker Frame: VL Series
  • Current Rating: 40A
  • Operating Temperature Maximum Celsius: 70°C (158°F)
  • Country of Origin: Mexico
  • Weight: 0.882 lb


Product Identification
  • UPC: 804766339172
  • GTIN: 00804766339172