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Hi,
A single phase contractor consist of 2 control terminals and two mains terminals, voltage applied to the control terminals will close the contact in the contractor connecting the two mains...

Good to hear that [emoji3]

Timer is still connected to 220V supply, only the lamp control output or timer output is used to control the contactor. Thus the 220V is use for timer circuit while the 110V circuit is is to power up...

Yes the contractor is a magnetic switch. The control voltage is fed from your timer and it should be 220V. The contactor will loop the 110V power to the enlarger as in your diagram. Ensure that your...

Hi,
I am in asia and have a similar setup with a 220V Analyzer pro and a 110V LPL 4500, I used the lamp output of the analyzer pro to trigger a contactor which connect between a 220v/110V...