Special Features:

60 hz. 3 ph. Size 1.

Properties:

A device which, in addition to starting and stopping a motor, performs one or more of the following functions: reverses the rotation, selects the speed, and/or regulates the speed of a motor. Includes items of this type whose design provides means for operation with a rheostat or speed regulator which may be integral or included. Items such as drum switches may be included. See also starter, motor.