AMERICAN NATIONAL STANDARD FOR INDUSTRIAL CONTROL APPARATUS - SWITCHING OR CONTROLLING DEVICES

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Anon
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CONTROL EQUIPMENT; ELECTRIC - ELECTRIC POWER SUPPLIES TO APPARATUS;
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This standard covers the requirements for all industrial control electric-power switching and controlling devices, whether electric, magnetic, mechanical, or electronic (except those intended specifically for marine auxiliaries and propulsion control apparatus, mine locomotive control apparatus, and railway and railroad locomotion) which, individually or grouped, serve to govern in some predetermined manner the electric power delivered to the utilization apparatus to which they are connected, and which are intended to function on commercial voltages of 750 volts or less, direct current; and 5000 volts or less, alternating current.
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