Intermatic TimeMaster GM40 Operating Instructinos

2. Remove timer mechanism by releasing spring clip on bottom. 3. Select knockouts to be used. Remove inner 1/2” knockout by inserting a screwdriver in the slot and carefully punch knockout loose. Remove slug. If 3/4” knockout is required, remove the ou ...

electromechanical time switches which can be field config- ured for various power supply voltages. The voltage options include 120VAC, 208/240VAC and 277VAC –all within the same unit! Selection of the desired supply voltage is easily achieved by selecting the DIP to the corresponding inp ...

GM40 TYPICAL WIRING DIAGRAMS 3 TIMER 120VAC N H T COM2 NO2 NC2 COM NO NC L2/N L1 LOAD T TIMER 120VAC N H T NO2 NC2 NO NC L2/N L1 COM COM2 LOAD #1 T LOAD #2 N TIMER T NO2 NC2 NO NC L2/N Normally Open (Dry Contact) Normally Closed (Dry Contact) L1 COM COM2 Normally Open (Dry Contact) Normally Closed (Dry Contact) TIMER 240VAC L2 L1 T ...

Indicates Output is OFF GREEN LED – OFF Trippers are “OUT” Indicates Output is ON GREEN LED – ON GM40 TROUBLESHOOTING GUIDE GM40 CONTACT TERMINALS TRANSITION White arrow on timer module points to current time. ORANGE POWER GREEN STATUS S1 Setting: 120V: ALL ON 200V - 240V: 1 & 3 ON 277V: ALL OFF S1 GM40 MOUNTING INTO INTERMATIC ...