Siemens EF3A003 – 3A 3 Pole Motor Circuit Protector Must Have

Engineered for precise motor branch circuit safety, the Siemens EF3A003 delivers adjustable magnetic-only tripping for 3A applications. Adjustments between 10 and 35 amps accommodate various motor starting characteristics without nuisance tripping. The E-frame protector mounts into Siemens and I-T-E panelboards or Motor Control Centers. Facilities can substitute this unit with the ED63A003 model. With a 14kAIC capacity at 600VAC, it provides reliable short-circuit defense.