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Siemens NGB2B125V - Molded Case Circuit Breaker 125A 600V

Siemens
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Siemens NGB2B125V is a molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. This 2-pole unit is rated for 600V AC, 125A continuous current, and provides LI (Long-Time and Instantaneous) protection functions through a thermal magnetic trip mechanism. The GG frame breaker features a bolt-on connection style, weighs 1.563 lb, and operates within a temperature range of -13°F to 158°F. It is certified to UL and IEC standards with an AIC rating of 25kA at 480V, making it suitable for single-phase applications requiring reliable circuit interruption. Typical uses include branch circuit protection in panelboards, switchboards, and industrial control panels.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic, LI (Long-Time and Instantaneous) protection
  • Voltage Rating: 600V AC
  • Current Rating: 125A
  • Dimensions: GG Frame
  • Standards: UL, IEC
  • Applications: Industrial power distribution, branch circuit protection
  • Switch Type: Molded Case
  • Configuration: 2-Pole
  • Coil Voltage Maximum: N/A
  • Temp Rating: -13°F to 158°F
  • Shipping Dimensions: N/A
  • Phase: 1
  • Voltage: 600V
  • Amperage: 125A
  • AIC rating: 25kA@480V
  • Connection: Bolt-On
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: GG Frame
  • Trip Type: Thermal Magnetic
  • Panel Type: N/A
  • Breaker Type: NGB
  • Control Voltage Minimum: N/A
  • Control Voltage Maximum: N/A
  • MCM Size: N/A
  • Metal Type: N/A
  • Panel Style: N/A
  • Bus Type: N/A
  • Fuse Class: N/A
  • Insulation Temperature: N/A
  • Inductance: N/A
  • Impedance: N/A
  • Barrels: N/A
  • Class Rating: N/A
  • Diameter: N/A
  • Velocity: N/A
  • Clip Center: N/A
  • Clas: N/A
  • Mounting: Bolt-On
  • Hz: N/A
  • Coil Material: N/A
  • Horse Power: N/A
  • Aux Contacts: N/A
  • CPT: N/A
  • Full Load Amps: N/A
  • Dist Voltage: N/A
  • Bucket Size: N/A
  • Bucket Style: N/A
  • Bucket Type: N/A
  • Full Load Amp Maximum: N/A
  • Full Load Amp Minimum: N/A
  • Enclosure: N/A
  • Relay Style: N/A
  • Coil Voltage Minimum: N/A
  • Wire: N/A
  • Amperage Maximum: 125A
  • Amperage Minimum: N/A
  • Nema Rating: N/A
  • Switch Style: N/A
  • Wire Size: N/A
  • Certification: UL, IEC
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Bolt-On
  • Frequency Rating: N/A
  • Phase Connection: Single Phase
  • Standards: UL, IEC
  • Compatible Frames: GG Frame
  • Installation Type: Panelboard
  • Item QTY: 1
  • Nema Starter Size: N/A
  • Breaker Frame: GG Frame
  • Current Rating: 125A
  • Reverse Standoff Voltage: N/A
  • Watts: N/A
  • Peak Pulse Current: N/A
  • Breakdown Voltage (MIN VBR@IT ) (V): N/A
  • Breakdown Voltage (VBR@IT) (V): N/A
  • Polarity: N/A
  • Operating Temperature Maximum Celsius: N/A
  • Max Clamp Voltage: N/A
  • On-State Current: N/A


Product Identification
  • UPC: 783643555310
  • GTIN: 00783643555310