TIME RELAY SWITCH - OFF DELAY 230V - ZAMEL The one mode time relay PCM-02 has a delayed switch off function (aversive) in automation and control systems. The relay is released by power supply voltage. It has a wide time adjustment range from 0, 1 s to 10 days. Additional ON/OFF functions enable constant switch on, switch off of the output (load). The system has the indicators of power supply voltage, relay mode, and time measure with the help of red LED diode.