4-Channel DC 12V 30A Relay Module Control Board Optocoupler Isolation High/Low Trigger

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$1.50 - $2.00 / Pieces | 10 Piece/Pieces (Min. Order)
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Quick Details
Place of Origin:
Guangdong, China
Brand Name:
Original Brand
Model Number:
30A Relay Module Control Board
Packaging Options:
Standard Pack
30A Relay Module Control Board(send by email)
Shipping Method:
Supply Ability
Supply Ability:
1000 Piece/Pieces per Week
Packaging & Delivery
Packaging Details
standard package
Lead Time :

4-Channel DC 12V 30A Relay Module Control Board Optocoupler Isolation High/Low Trigger

  • Module Interface Description:1. DC +: DC power supply positive;2. DC -: DC power supply module negative;3. IN: Signal input terminal(support High/Low Level switch freely);4. Normally open (NO): Relay normally open;5. Common terminal (COM): Relay common;6. Normally closed terminal (NC): relay normally closed terminal;Specifications:Type: 4-ChannelRelay Voltage: DC 12V Output Capacity: within DC 30V 30A or AC 250V 30AQuiescent Current: 5mA Trigger Current: 5mA Module Size:
  • 00 * 83 * 20mmModule Weight: 172g

Product description

This is a relay module with high performance, which is convenient and practical for users.Features:4-channel, DC 12V 30A relay module.Output capacity: within DC 30V 30A or AC 250V 30A.Using optocoupler isolation, strong anti-jamming capability and stable performance.The module can be set high or low trigger.To ensure stability, uses industrial grade PCB board and 9.5mm barrier terminals.All interfaces can be connected directly via terminal wiring leads, very convenient.



1. We can shipping all over the world by DHL , UPS , FedEx and EMS . The packaging is very safe and strong. If you have any special needs please notify me.

2. It will take around 3-5 days to reach your hands .


Product Type & Condition :

1. Because of the fluctuant sales situation. the stock parts are always changing and the stock list cannot be promptly updated . So,please consult the stock situation when you inquire.


Warranty & Guarantee :

All components we sell the quality with 30 days Return policy from the day of shipment.


Buyer Reading:

1. Please confirm receipt of products if the items you received , and if the goods was damaged please contact us immediately. send the photo to us that we can check and give you best solution.

2. We only guarantee Delivery in time but we couldn't control the express delivery time. Our related sales person will be responsible to send the AWB for the delivered goods in the next workday. you can check the AWB in the website which we send to you. For the AWB you also can call to the local branch of the express company in your company.

If you have any other questions please feel free to contact us in any time!


Read before purchase

MDW is a honest and reliable electronics suppliers, we never cheat every client and don’t want to deal unpleasant business. Because of the transportation cost is expensive for international trade, for the both deal going smoothly. Please refer to the following information to purchase products from us before:


1. Please carefully check our description of products: Delivery terms, Guarantee period, Sales return and Service policy.


2. Please confirm you want to buy part numbers, it can apply to your device, if not because of quality problem, MDW will not responsible.


3. In test process, if have the product quality problems please inform us within the guarantee period date that we can help you to replacement of goods or arrange refund.. If exceed the date, MDW will not responsible, after-sales service.


4. Below case as guarantee is invalid:

(1). Warranty (maintain ) label is removed or damaged.

(2). Products have been used.

(3). Artificially damaged, incorrectly operation mode.

(4). In transit cause the issues and goods damaged case, the Express will takes responsibility for any mistakes, as our term for FOB Offer.


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