1 On/Off Switching, with Holding contact 2 On/Off Switching, with Interlock Switch 3 On/Off Switching, with Interlock Relay 4 Sequence Switching, Manually Operated 5 Automatic Sequence Switching 6 Pull-on and Drop-out Delays 7 Light Flasher, Using Relays 8 Sequence Switching, using a Time Delay Relay 9 Traffic Lights Control Switching 10 AND / NAND Functions, using Relays 11 …