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Siemens NGB3B125B - Molded Case Circuit Breaker 125A 600V 3P

Siemens
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Siemens NGB3B125B 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 125A continuous current rating and a 600V AC voltage rating, housed within a compact GG frame with a robust bolt-on connection for secure installation. This thermal magnetic breaker offers LI (Long-time and Instantaneous) protection functions, is rated for an interrupting capacity of 25kA at 480V, and operates reliably within a temperature range of -13°F to 158°F (-25°C to 70°C). Constructed as part of the VL Series and compliant with UL and IEC standards, it is engineered for integration into panelboards, switchboards, and industrial control panels where dependable circuit protection is critical.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, NGB Type
  • Voltage Rating: 600V AC
  • Current Rating: 125A
  • Frame Size: GG Frame
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • AIC Rating: 25kA @ 480V
  • Phase: 3
  • Temp Rating: -13°F to 158°F (-25°C to 70°C)
  • Certification: UL, IEC
  • Family: VL Series
  • Weight: 2.615 lb
  • Country of Origin: Mexico


Product Identification
  • UPC: 783643414396
  • GTIN: 00783643414396