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Siemens NGB2B125L - Molded Case Circuit Breaker 125A 2-Pole

Siemens
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Siemens NGB2B125L is a molded case circuit breaker from the VL Series designed for overcurrent protection in industrial power distribution systems. This 2-pole, 125A unit operates at a maximum voltage rating of 600V and provides LI (Long-Time and Instantaneous) trip functions via a thermal magnetic protection mechanism. The breaker features a GG Frame size, weighs 2.5 lb, uses a bolt-on connection, and is rated for 1-phase operation with an AIC rating of 25kA at 480V. It is certified to UL and IEC standards and has an operating temperature range of -13°F to 158°F. Typical applications include branch circuit protection in commercial and industrial electrical panels.

Key Features & Specifications
  • Type: NGB
  • Family: VL Series
  • Item Subcategory: Molded Case
  • Country of Origin: Mexico
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: GG Frame
  • Voltage Rating: 600V
  • Poles: 2
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Certification: UL, IEC
  • AIC rating: 25kA@480V
  • Phase: 1
  • Temp Rating: -13°F-158°F
  • Current Rating: 125A
  • Amperage: 125 Amps
  • Mounting Type: Bolt-On
  • Interrupt Rating: 14 kAIC at 600Y/347V, 25 kAIC at 480Y/277V
  • Series/Frame: NGB
  • Trip Unit: Thermal Magnetic
  • Certifications: UL Listed