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Eaton Cutler-Hammer FB3125 - Molded Case Circuit Breaker 125A 600V 3P

Cutler Hammer
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Eaton Cutler-Hammer FB3125 is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase industrial power systems. It features a 125A continuous current rating and a 600V AC voltage rating, utilizing a thermal-magnetic trip unit for combined long-time and instantaneous (LI) protection functions. The breaker is constructed as a three-pole, bolt-on unit with a compact design, weighing 11 lb, and is rated for an interrupting capacity of 14kA at 480V AC. It complies with industry standards for molded case circuit breakers and is typically applied in panelboards, switchboards, and industrial control equipment where robust circuit protection is required.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 600V AC
  • Current Rating: 125A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 14kA @ 480V AC
  • Protection Functions: Long-Time and Instantaneous (LI)
  • Connection: Bolt-On
  • Family: AB DE-ION
  • Type: FB
  • Weight: 11 lb