David Brandt, Eaton Corp.


PLCs, PACs February 1, 2009

Motor control relays: Workhorses of the control world

Motor control relays are heavy-duty relays used to control motor starters and other industrial components. More specifically, they are typically used to energize the coil of a motor starter or contactor, which in turn starts a motor. A motor protective relay is a type of motor control relay used to prevent the coil of a motor starter or contactor from being energized.

By David Brandt, Eaton Corp.
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