A cyclic timer with independently adjustable ON and OFF periods, which can be adjusted via two PC board mounted trimmer potentiometers. Three versions are available: M1 (0.5 to 60 seconds), M5 (1 second to 5 minutes), and M60 (6 seconds to 60 minutes). It includes a relay which can handle loads of up to 3A / 110VAC. Supply voltage: 12VDC regulated. Recommended power supply: RPR-12600-P5.