Cycle Timers UL Listed and CSA Certified. These timers provide repeat cycling for applications which require as short as 2-1/2 second "ON" times. Models provide for complete dial cycle every 5, 10 or 30 minutes and every 1 or 4 hours with tripper actuating times of 2-1/2, 5, 15, 30 or 120 seconds duration, respectively. Ten combination "ON/OFF" trippers supplied with each switch. Dials on all models have 120 slots.