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Siemens EH3A125 - Molded Case Circuit Breaker 125A 480V 3P

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Siemens EH3A125 is a molded case circuit breaker designed for providing instantaneous magnetic-only protection against short-circuit faults in three-phase electrical systems. It is rated for 480V AC applications with a continuous current rating of 125A and an interrupting capacity of 14kA at 480V. The breaker features a robust three-pole, bolt-on connection design within the compact EH series frame and has a unit weight of 8 lb. It is engineered for reliable performance in industrial environments where rapid fault interruption is critical, such as in feeder and branch circuit protection for machinery and distribution panels.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, EH Series, Magnetic-Only Protection (I - Instantaneous)
  • Voltage Rating: 480V AC
  • Current Rating: 125A
  • Phase: 3
  • Poles: 3
  • Connection: Bolt-On
  • AIC Rating: 14kA @ 480V
  • Protection Function: Instantaneous (Magnetic)
  • Frame: EH Series
  • Weight: 8 lb