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Is the selection process for IEC devices complicated?

April 26, 2017complicated Devices IEC process selection

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Is the selection process for IEC devices complicated?

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A7 Selections of IEC contactors are based on running current, motor application, and required contact life. Overload relay selection is based on full load current. It takes a little more effort, but results in perfectly matched motor control. At least one IEC manufacturer has made the selection process easier, however. Sprecher + Schuhs entire line of IEC contactors and overload relays carry NEMA-equivalent sizes, including fractional sizes for controls rated between basic NEMA sizes. Youre guaranteed a perfect fit no matter which method you use.