yamanoor sairam wrote: > > The load is a power supply module that is inductive in nature. You can connect this to corona discharge cells to produce ozone gas. Its power consumption is 50W approximately. > > Yours Sincerely, > Sairam > > If the ozone generator's initial PSU is a switch mode type, then it rectifies incoming AC and simply takes more current as you turn down Triac. At some point this may cause the Triac to fail when the Ozone PSU reaches x3 current input If it's a SMPSU based unit, then you can't externally vary its output. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist