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Siemens NGB1B125B - Molded Case Breaker 125A 1P (25kA AIC)

Siemens
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Siemens NGB1B125B is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial and commercial electrical systems. It features a 125A current rating and a 347V voltage rating, housed within a compact GG frame with a robust bolt-on connection for secure installation. This thermal magnetic breaker offers both long-time and instantaneous trip (LI) functions, ensuring coordinated protection, and is constructed to operate reliably across a temperature range of -25°C to +70°C (-13°F to 158°F). It complies with UL and IEC standards and provides an interrupting capacity of 25kA at 277V, making it suitable for protecting feeders and branch circuits in single-phase applications.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, LI (Long-Time & Instantaneous) Trip
  • Voltage Rating: 347V AC
  • Current Rating: 125A
  • Frame Size: GG Frame
  • Poles: 1
  • Connection: Bolt-On
  • AIC Rating: 25kA @ 277V
  • Phase: 1
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous Trip
  • Certification: UL, IEC
  • Operating Temperature: -25°C to +70°C (-13°F to 158°F)
  • Weight: 0.88 lb
  • Family: VL Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 783643414099
  • GTIN: 00783643414099