I'm using a cheap Chinese commercial triac speed controller to control a universal motor that pulls considerable amperage (where "considerable" is no more than 15 amps at 117 volts).
I would like to modify the controller so that it will cut all current to the motor, via a small low current micro switch and associated wiring. I do not know the exact circuit and the device would be difficult to preemptively disassemble. I do have easy access to all three triac terminals, however.
It was suggested to me that shorting A1 to G would disable the triac – it does not.
- Could I just switch the gate with the micro switch to accomplish what I want?
- Is significant current flowing through the gate at any time?