9050JCK plug in timers are designed to provide low cost timing in a plug in housing. This timer can be programed to have an on delay, off delay, interval, one shot, repeat cycle off, repeat cycle on, on/off delay, one shot falling edge, watchdog or trigger on delay timing mode. The timing range of 0.5 seconds to 999 hours is easily adjustable with thumb wheels on the top of the timer. This plug in timer plugs into an 8501NR61 or 8501NR62 relay socket. These relay sockets can be mounted on 35 mm DIN 3 mounting track or directly to a panel. All wiring is made to the relay socket. The DPDT contacts are rated 10 amperes resistive at 120 VAC, 240 VAC and 30 VDC, 3 amperes inductive at 120 VAC, 240 VAC and 30 VDC, 1/3 HP on the NC contacts at 120 VAC and 240 VAC, 1/2 HP on the NO contacts at 120 VAC and 240 VAC. This plug in timer is powered up with 12 VAC/VDC. 9050JCK plug in timers are UL listed when the proper 8501NR relay socket is used, UL component recognized and CSA certified.