Cyclic Time relay with 2 set times:
Time 1 - switch key is in left position - Time ON - 9 minutes; OFF - 3 minutes and 30 seconds
Time 2 - switch key is in right position - Time ON - 20 seconds; OFF - 10 seconds
Power supply - 12V DC
Relay: 15А/125V DC
15A/24V DC or AC
BA - Normally open contact
AH - Normally closed contact
Times is adjusted by Key
Principe of work:
When power is on, the relay is activated and keep that position, until end of set time then relay is deactivated until end of set time depending of position of switch key. Then cycle repeat.
Device doesn't have plastic box, only plate, as you can see on the picture.
1. Time Relay
2. Instruction for use and wiring diagram.