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Siemens NGB1B050B - Molded Case Circuit Breaker 50A 1P (25kA AIC)

Siemens
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Siemens NGB1B050B is a molded case circuit breaker designed for providing reliable thermal-magnetic protection in single-phase industrial and commercial electrical systems. It features a 50A current rating and a 347V voltage rating, housed within a compact GG frame with a durable bolt-on connection for secure installation. This unit is constructed to operate across a wide temperature range from -13°F to 158°F and is certified to UL and IEC standards for safety and performance. Its 25kA interrupting capacity at 277V makes it suitable for protecting feeder and branch circuits in panelboards and switchboards, ensuring system integrity against overloads and short circuits.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection with Long Time and Instantaneous Trip Functions
  • Voltage Rating: 347V AC
  • Current Rating: 50A
  • Frame Size: GG Frame
  • Poles: 1
  • Phase: 1
  • Connection: Bolt-On
  • AIC Rating: 25kA @ 277V
  • Certification: UL, IEC
  • Operating Temperature: -13°F to 158°F (-25°C to 70°C)
  • Weight: 2.998 lb
  • Family: VL Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 783643414020
  • GTIN: 00783643414020