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Surge Suppressor - Use with Genius Canbus Controllers only. DIN Style

Surge Suppressor - Use with Genius Canbus Controllers only. DIN Style

  • $24.50

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DIN Style Surge Suppressor: 

Please read below so you understand why you need to install this device.

DIN Style requires wiring into  your existing wiring.  You will have to cut and splice.  Product is polarity dependent.  Red must be wired to +12 Volt Signal and Black wire must be wired to Ground.

Certain after market solenoid controls use a coil that does not have self contained surge suppression.  The first time you activate our Genius controller, you will let go of your button and the coil's magnetic field will collapse and will send a high voltage surge back into controller that is large enough to weld the outputs shut causing the controller to stay on all of the time.  It is indicated by a constant amber LED instead of the flashing RED LED that you would normally see.

Why does this happen?  The coils being as large as they are is complete overkill for the operation.  To keep costs down the manufacturers do not include surge suppression in the coil.  For them it would only cost a few dollars.  For us to do after the fact and be able to handle all of the different styles and ages of coils, that is another situation.  It is costly and a lot of work on our end to be able to furnish these. 

Genius suppressors are only required if your coils look like this.

Large silver coil with a metal or plastic cap on top.

There may be a few types of connectors, but the main solenoid is about as large as your fist and will have some kind of cap.  We have been unable to identify a manufacturer or part number from the ones that we have examined.  We can only go by the general appearance.

If your solenoids look like this, you are fine and do not need a suppressor.

It is your responsibility to insure that you purchase a suppressor for each solenoid that requires one.  Failure to do so will cause an immediate failure in the controller that is NOT covered under warranty.


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  • When wiring this to use with a canbus controller, which side does the red and black go on?

    The black is ground and the red goes to the positive side.

  • I need 4 of these. Any idea how long before more would be in stock? Thanks

    These should be in stock.  Are you seeing something that shows out of stock?