I have a machine that uses a 1hp 3 phase motor wired into a 3 position cam switch (forward, off, reverse)
When i run the machine in forward and then toggle it thru the "off" position into the "reverse" position it carries on running in the forward direction.
If i let it come to an absolute complete stop before i engage the reverse position then it usually works fine and runs in the opposite direction, but not all the time.
I have tried swapping the phases around on the supply side but it does the same thing (although reverse now = forward and visa versa)
I know i have come across this before and cant remember what the remedy is.
Anyone know the answer?