Better to use a normally open push button switch so the default wattage is just around 30watts, and just press the switch ON to get full 60w for soldering bigger components.
I think the polarity of the diode doesn't matter because the input is AC. I have a Weller that has no adjustment knob, so I have been switching it on and off from the switch like yours.
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Better to use a normally open push button switch so the default wattage is just around 30watts, and just press the switch ON to get full 60w for soldering bigger components.
I think the polarity of the diode doesn't matter because the input is AC. I have a Weller that has no adjustment knob, so I have been switching it on and off from the switch like yours.
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