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DC 12V Adjustable Signal Trigger Turn Off Delay Timer Switch Relay Module

DC 12V Adjustable Signal Trigger Turn Off Delay Timer Switch Relay Module Item NO.: 32854570174

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US$ 4.47
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Stock ( 9999999 )

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Product Name DC 12V Adjustable Signal Trigger Turn Off Delay Timer Switch Relay Module
Item NO. 32854570174
Weight 0.019 kg = 0.0419 lb = 0.6702 oz
Category Home Improvement > Electrical Equipments > Relays > Time Relay
Creation Time 2020-10-29

DC 12V Adjustable Signal Trigger Turn Off Delay Timer Switch Relay Module



  • 12V trigger delay normally open relay module, repeatedly triggering effective.
  • Delay time can be adjusted by potentiometer(clockwise to reduce, anticlockwise to increase), default 0-25 seconds, if you need more time, simply replace a larger capacitance or potentiometer.
  • Power supply terminal has anti-reverse diode for protection.
  • Trigger signal can be high level or low level signals, suitable for industrial control, the module can be triggered repeatedly.
  • It can be used in robotics, car lamp delay, intelligent product development, automation equipment, PLC development, intelligent home, burglar alarm delay, and development of electronic.



Operating Voltage: DC 12V 

Load Capacity: AC 250V 10A; DC 30V 10A

Delay Time: T(S)=1.1*R(Ω)*C(f); e.g. if capacitor is 47uf, resistor is 500KΩ, T=1.1*0.000047*500000=25.85sec.

Size: 52*16mm/2.04*0.62"

Working Principle:

1. Power on the module (12V or 5V) and relay is energized immediately. N.O. terminal is connected to COM terminal.

2. Relay is dis-energized after 0 to 25 seconds. N.C. terminal is connected to COM terminal.

3. Relay keeps dis-energized until there is an external trigger signal.

4. If there is always trigger signal, relay will keep energized until trigger signal disappears, then dis-energized after 0 to 25 seconds. Now N.C. terminal is connected to COM terminal.


Package Includes:

1 x Timer Relay Module



Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.




1) We accept Alipay, West Union, TT. All major credit cards are accepted through secure payment processor ESCROW.

2) Payment must be made within 3 days of order.

3) If you can't checkout immediately after auction close, please wait for a few minutes and retry Payments must be completed within 3 days.   


About shipping

1. WORLDWIDE SHIPPING. (Except some countries and APO/FPO)
2. Orders processed timely after the payment verification.
3. We only ship to confirmed order addresses. Your order address MUST MATCH your Shipping address.
4. The images shown are not the actual item and are for your reference only.
5. SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit times may vary, particularly during the holiday season.
6. If you have not received your shipment within the period,  please contact us. We will track the shipment and get back to you as soon as possible with a reply. Our goal is customer satisfaction!
7. Due to stock status and time differences, we will choose to ship your item from our first available warehouse for fast delivery.

8. We seller are not in charge of import duty, buyer is responsible for that. Any dispute caused by this is unreasonable.

9. BR buyer please provide the cpf or cnpj, it will be better for you to get it more quickly. thanks


Return and Refund

1. You have 7 days to contact us and 30 days to return it from the date it was received. If this item is in your possession more than 7 days, it is considered used and WE WILL NOT ISSUE YOU A REFUND OR REPLACEMENT. There are NO EXCEPTIONS! Shipping cost is bear by both seller and buyer in half.
2. All returned items MUST BE in the original packaging and you MUST PROVIDE us with the shipping tracking number, specific reason for the return, and your po#.
3. We will refund YOUR FULL WINNING BID AMOUNT, upon receipt of the item in its original condition and packaging with all components and accessories included, AFTER BOTH Buyer and Seller cancel the transaction from aliexpress. OR, you may choose to have a replacement.
4.  We will bear all the shipping cost if the product(s) is (are) not as advertised.


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