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Siemens EF3A003 - Molded Case Circuit Breaker, 3A 600V 3-Pole

Siemens
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Siemens EF3A003 is a molded case circuit breaker designed for providing instantaneous magnetic-only protection in three-phase electrical systems. It is rated for 600V applications with a continuous current rating of 3A and an interrupting capacity of 14kA at 480V. The unit features a robust three-pole, bolt-on connection design with a weight of 8 lb, engineered for reliable performance. It complies with relevant industry standards for circuit protection devices. This breaker is typically applied in industrial control panels, motor feeder circuits, and other installations requiring dedicated, instantaneous short-circuit protection.

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


Product Identification
  • Manufacturer: Siemens
  • Model: EF3A003