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Siemens NGB3B125L - Molded Case 125A 600V

Siemens
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Siemens NGB3B125L is a 3-pole molded case circuit breaker from the VL Series, designed to provide LI (Long-Time and Instantaneous) protection for electrical circuits. This unit operates at a maximum voltage rating of 600V AC and a current rating of 125A, with a thermal magnetic trip mechanism for reliable overcurrent protection. The breaker features a GG Frame size, weighs 3.5 lb, and uses a bolt-on connection, with a temperature rating of -13°F to 158°F. It is certified to UL and IEC standards, including UL489, and offers an AIC rating of 25kA at 480V. This circuit breaker is suitable for industrial and commercial applications requiring robust circuit protection.

Key Features & Specifications
  • Type: Molded Case
  • Manufacturer: Siemens
  • Model: NGB3B125L
  • Family: VL Series
  • Country of Origin: Mexico
  • Type: NGB
  • Weight: 3.5 lb
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: GG Frame
  • Voltage Rating: 600V AC
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Certification: UL, IEC, UL489
  • AIC rating: 25kA @ 480V, 14kA @ 600Y/347V
  • Phase: 3
  • Temp Rating: -13°F to 158°F
  • Current Rating: 125A
  • Mounting Type: DIN Rail or Screw Mount