Time relay with accuracy from 1 to 50 seconds.
Wired with 10 cm wires:
Power: + RED, - BLACK. Have protection against reverse supply voltage.
Normally open contact - two white wires
Power supply - 12V DC(car battery)
Relay: 20А/12V DC
Time is adjusted by blue/white trimmer - rotate clockwise with small screwdriver - increase the time.
Principe of work:
When power is on, the relay is activated and relay NO contact will closed for the set time ( 1-50 sec). When set time end - the relay will be deactivated and NO contact will open, even that power is remain on.
By restart power supply - cycle repeat.
Device don't have plastic box, only plate, as see on the picture.
1. SMD Time Relay - 10 pieces
2. Instruction for use and wiring diagram.