For this case, capacitor coupling might be the way to go.
With the correct value, you could even get resonance and that would
get you the fastest possible current turn around.

Tony Baia wrote:
>
> Hi Lawrence
>
> As an idea, don't know if it will work. Don't know if you are using a micro
> either.
>
> Why not pulse the relay coil after you have energized it, the relay holding
> current
> is less that the pull in current.  If you cannot pulse how about a pull in
> transistor
> and then a holding transistor?  I.E. reduce the back EMF spike size
>
> Just some ideas!!!
>
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