Any reason you can't go to the hardware store and buy a 500w heater=
=20
control?  Even a lamp dimmer (750W or more) should work admirably.

-Adam

Branko Karaklaji=E6 wrote:

>Hello,
>
>      I need a simple SCR or TRIAC based heater power control. I hav=
e
>heater of 2kW(220V~) and I want to deliver only 0 to 500W to it.
>
>anyone have a idea or link or anything that can help me? I think abo=
ut
>optocupler with zero cross unit but I need help about that?
>
>thanx in advance
>
>--
>sincerely,
> Branko
> branek@eunet.yu
> http://solair.eunet.yu/~branek
> ICQ: 15616778
>
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> =20
>

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