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Description
Parameters:
Working voltage: DC 12V (Range DC 10-15V)
Working current: Quiescent current 4MA, relay pull-in current 36MA
Trigger control port: ACC port, high level trigger (DC 5-24V).
Working temperature: -40℃ to 80℃;
Dimensions: 45x29x15mm (board only), 45x29x15mm (with case)
Weight: 16g (board only), 26g (with case)
Relay maximum load: 20A/14VDC;
20A/125VAC Applicable objects: driving recorders, navigation display screens, car audio, car headlights, ambient lights, interior decorative lights, etc.
Working Principle:This switch is a power-off delay shutdown function.
Feature:
The power supply of the 12V power supply port is a standing power supply, which can generally be connected to a battery or other adapter power supply.
The trigger port is used to connect the detected signal to realize related actions. First, we connect to the standing power supply 12V, and then if the trigger port (ACC) has power supply, the switch will be turned on. When the power supply of the trigger port is disconnected, the module will automatically turn off the relay after a delay for a period of time; If there is voltage, the relay will open and this cycle can be done.
Note: The ground wire of the trigger signal of the trigger port should be connected with the negative pole of the power supply port (common ground). If the signal and power supply port are the same device or share the same power supply, they are already connected by default, and there is no need to find the signal ground wire and connect it to the negative pole of the power supply port.
Delay time selection: The delay time is determined by the position of the red four digit dial switch. There will be different delay parameters corresponding to different positions, as shown in the table below:
Pin description:
VCC: Working power supply +
GND: Working power supply -
ACC: Input trigger port, effective level DC 5-24V
COM: relay output common terminal
NO: Relay output normally open
Application:
1. Household switch control--exhaust fans, cooling equipment and other household products;
2. Automotive electronic control--navigation, media sound effects, door and window delay lift and other automotive circuit power-off delay control;
3. Industrial equipment control - access control equipment control - warehouse, aisle lighting;
4. Car lights, headlights delay off, etc.
Product Included:
1 x Car Delay Power-off Switch Relay Board
