Crane Control Master Switches

Type F Master Switches – GH101

A cam operated, vertical type control circuit master where straight line operation of the handle is achieved by means of a right-angle bevel gear assembly.

A maximum of 16 circuits and 6 speed positions are available in the step type master. A maximum of 6 circuits and a directly coupled potentiometer are available in the stepless master.

Master switches are furnished with a positive mechanical stop located in the operating head of the switch. Masters are available both as open devices for benchboard mounting, and NEMA 3 enclosed for wall or floor mounting.

Type C Master Switches – GH103

The Type C Master Switch is a cam operated control circuit master switch.

A maximum of 6 circuits, it can be supplied with a NEMA 1 sheet steel enclosure, or open for benchboard mounting.

Cams are directly driven by the operating handle and are supplied as “universal” cams with “daisy petal” twist offs which can be broken away to obtain any desired operating sequence.