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Siemens EF3A110 - Molded Case Circuit Breaker, 110A, 600V, 3-Pole

Siemens
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Siemens EF3A110 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 110A continuous current rating and a 600V AC voltage rating, with a 14kA interrupting capacity at 480V AC to safely clear high-level faults. The unit is constructed as a three-pole, bolt-on device within the compact EF Series frame, weighing 8 lb for robust integration into industrial panels. It is engineered to meet relevant industry standards for circuit protection devices. Typical applications include protecting feeders and branch circuits in commercial and industrial power distribution equipment.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, EF Series, Magnetic-Only Protection (I - Instantaneous)
  • Voltage Rating: 600V AC
  • Current Rating: 110A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • AIC Rating: 14kA @ 480V AC
  • Protection Function: Instantaneous Trip (Magnetic Only)
  • Frame: EF Series
  • Weight: 8 lb


Product Identification
  • Manufacturer Part Number: EF3A110