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12v power relay

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12v power relay Customers Reviews

  • Perfect relay

    posted by Nimghaert

    The relay works the way it shold work. I use it in my car to make sure my daytime running lights switch off when i turn my headlights on.It's relatively cheap and the build quality doesn't seem any worse than more expensive relays.
    I would buy this item again at deal extreme and i would recommend buying it to my friends and family.
    Go buy this product, you wont regret it
  • good relay

    posted by trung22

    very good 40 amp 12 volt 4 pin relay excellent price for this relay.. works as its supose too.. My old relay was hooked up to my hid lights and it was damage due to moisture getting in... And it was a more expensive relay and after a year it stop working.. hope this one last!!
    make sure to use electrical tape to tape the connections so moisture doesnt get in.. maybe what i shoul of done with my old relay..dont know what else to say for something simple as this.. I got a couple of hours to kill at work so im here doing reviews !!!!!
    good price for the product
  • Great little piece of electronics!

    posted by messersDX

    Very good priceWorks greatStandard cable shoe plugsTested with maximum Amperage, still works
    I used it for charging a second battery in my car, to start charging when the dynamo is running. This setup works great! The second one I ordered was installed for fog lights, also working perfectly, while using buttons (also ordered on this site) that can't handle large currents.
    Perfect quality / price ratio, work flawlessly, standard cable shoe plugs, comes with mounting bracket; no cons, I would reorder them anytime.
  • Excellent!

    posted by Revell

    I have bought 15 of these in total. I use them for many different kinds of functions in my 12v truck. And I have never had a problem with any of them. So they are very durable. There is a small LED that ligths up when the relay is active. I only use these as opposed to the single slose och open type relays. With these I get three in one functionality (open/closed/switching)!The metall fastener can be flipped up side down. The price is awesome!
    None.
    If you need a switching relay, get this! It will not dissapoint!
  • Easy to use device for separate your micropocessor from the rest on circuit

    posted by richardfabo

    It's easy to use, when you know, where should be connected what. It comes without scheme, but connection is easy:VCC + GND = +12V DC and GNDIN1 .. IN4 = your 5V outputs from microcontrollerCOM = your GND from microcontrollerGND = the same as 12 V GNDNote: there is a jumper for connecting COM (=microcontroller GND) and GND (=12V source GND), to have the same potential. But this is not needed, when disconnected, the circuit of microcontroller and other 12V circuit are isolated (unless there is any other connection)...Other pros: red LEDs showing state of relais (on/off), one LED is ON when 12V DC supply is present.
    It solid and good contruction, also soldering is nice and proper. The faulty relay can be easily replaced.
    Worthy to buy.Cheaper than buy the parts anf build by yourself.
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