Special Features:

Defrost timer using time initiation and termination, 24 hr outer dial w/time of day pointer, dial marking in 1/2 increments w/hr marking 1 to 24, inner dial marked in 2 minute increments w/numbered markings in 10 minute increments 10 to 110, can be set from 1 to 6 defrost cycles at intervals of 4 hrs with lgth of defrost from 4 to 110 minutes; electric heat, hot gas or compressor shut-down defrosting; synchronous motor 208/240 v, 60 hz; gray wrinkle finish; w/hasp and staple for padlock; mtg holes in back; 1 slot hanger hole at top; 2 0.250 in. Diameter mtg holes at bottom 3.062 in. C to c

Properties:

An item which actuates included electrical contacts and/or switches in an orderly succession, and at a predetermined interval(s) for the purpose of controlling the operation of another electrical device(s). May have provision for manually establishing an operational sequence or cycle. See also relay, motor driven; timer, interval; keyer (as modified); chronometer, make-break circuit and intervalometer (as modified).