----- Original Message ----- 
From: "Mike Harrison" <mike@whitewing.co.uk>
>
> I've never seen a polyswitch used on mains - I think there are probably 
> power dissipation/arcing
> issues.
> My guess is it may be an inrush current limiter. e.g. 
> http://www.ametherm.com/


Thanks Mike and Djula

>From reading through your links, I can see that is likely what it is  ... 
an NTC.

All I have to do now is determine what value to use.

I appreciate your help, thank you.

Regards,   Roger 

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