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NE555 12V Automotive Electrical time delay Relay Module monostable Timing Relay Timer Control Switch Car Relays Using Pulse Generation Duty Cycle
Power relay delay pull. Specifically: 12v power supply to the relay, the relay will not immediately suck and status relay outputs are: normally open disconnected public, normally closed and public conduction; wait until the delay 1-10s (adjustable), the relay suction and, this time, the relay output status is: normally open and public conduction, normally closed and public disconnected; as long as Uninterrupted power module, this state will remain.
The delay time formula: T = 1.1RC
For example : with a 100K resistor and 100uf capacitor; T (Delay Time) = 1.1 x 100000 x 0.0001 = 11 seconds.
The PCB color and relay make may vary based on availability
The delay of the onboard equipment is turned on to prevent the current from being too large to burn the vehicle equipment when the vehicle is on fire.
It is necessary to have a sequence to start, to prevent multiple devices from simultaneously starting the current and burning the appliance too much.
Module-based on: NE555 chip; The delay time is adjustable (0~10 seconds) using the in-built potentiometer
Delay module: Delay connect module
Input voltage: DC12V
Control voltage : AC 0 - 250V/max. 10A, DC 0 - 30V/max. 10A
The operating voltage: 12V DC; Max. load : 2200W
|Dimension||6 x 2 x 2 cm|