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Siemens EF3A100 - Molded Case 100A 600V 3-Phase Magnetic Only

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Siemens EF3A100 Circuit Breaker - Molded Case 100A 600V 3-Phase Magnetic Only (EF Series) The Siemens EF3A100 is a 3-pole molded case circuit breaker from the EF Series, designed for instantaneous magnetic-only protection in industrial power distribution systems. It operates at a voltage rating of 600V and a current rating of 100A, with an AIC rating of 14kA at 480V, supporting 3-phase applications. This bolt-on unit weighs 8 lb and features a compact construction with an instantaneous trip function, ensuring reliable overcurrent interruption without thermal delay. It complies with industry standards for molded case breakers, making it suitable for motor control centers and feeder circuits requiring high fault current protection. Typical applications include industrial machinery, panelboards, and switchgear where magnetic-only protection is specified for short-circuit isolation.

Key Features & Specifications
  • Type: Molded Case, EF Series, Magnetic Only
  • Voltage Rating: 600V
  • Current Rating: 100A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: I - Instantaneous
  • AIC rating: 14kA@480V
  • Weight: 8 lb
  • Functions: Instantaneous trip
  • Circuit Breaker Mounting Style: Bolt-On
  • Standards: Industry standard molded case


Product Identification
  • UPC: Not specified
  • GTIN: Not specified