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Siemens EF3A125 - Molded Case Circuit Breaker 125A 600V 3P

Siemens
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Siemens EF3A125 is a molded case circuit breaker designed for providing instantaneous magnetic-only protection against short-circuit faults in three-phase electrical systems. It features a 125A continuous current rating and a 600V AC voltage rating, with a robust bolt-on connection for secure installation in industrial panels. The breaker is constructed with a durable molded case, weighs 8 lb, and offers an interrupting capacity of 14kA at 480V AC. It complies with relevant industry standards for circuit protection devices and is typically applied in industrial power distribution, panelboards, and motor control centers.

Key Features & Specifications
  • Type: EF Series Molded Case Circuit Breaker, Magnetic-Only Protection (Instantaneous Trip)
  • Voltage Rating: 600V AC
  • Current Rating: 125A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • AIC Rating: 14kA @ 480V AC
  • Protection Function: Instantaneous (I)
  • Frame: EF
  • Weight: 8 lb


Product Identification
  • Manufacturer Part Number: EF3A125