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Or a step-up transformer.My guess is by using relays
there are a lot of relays available that work on 110Avc and can switch 220v ac.it would be more easy to answer if you specified the voltage that is going to switch it.
What do you mean by low voltage AC?
220VAC is a low voltage.
I have a device wich has a terminal barrier where I connect the 110v pair. The other terminals are to connect the light bulbs - when a certain switch is turned on - through the already existing relays the bulbs lighten on. What I want to do is avoid the use of 110v and replace them with low Vac to trigger an outside relay - instead of bulbs - and then place the bulbs. What relay should I use for this purpose?
Here they are
Ok, so what you need is (as has been mentioned already) a step-up transformer, as you need to generate the higher 220V from your 30V supply.
If it's a 220V mains transformer being used in reverse, that won't happen.if the bulb does not pull rated output current from the transformer the voltage will climb above 220 V
and
then incand. lamp life of a 220 V bulb at 250 V = (100%)(220/250)^12 = ~20% of normal. Brightness will be 100%(250/220)^(3.5) = ~160%.
If any of the above is not true, it's relay time!
When 230V is connected to the primary, the secondary voltage is about 250V
when 230V is connected to the secondary, the output voltage is just 210V.