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  1. #1
    I talked about this inverter on my Youtube channel (routercnc). One of the early episodes in the drill press conversion series. If I understand what you need to do I think a latching relay arrangement would do it? The output contacts would control the run/stop X4, but other contacts on the output side would cut power to the coil itself so it wouldn’t start again until you armed it. There might be better ways but this was my first thought on it.
    Building a CNC machine to make a better one since 2010 . . .
    MK1 (1st photo), MK2, MK3, MK4

  2. #2
    Many thanks for your response but I have removed the original starter from the saw whilst I was refurbishing it as it was fitted in 1968 when the saw was manufactured and was fitted with a 415v coil and associated thermal overloads. My intension all along was to fit a variable frequency drive as I haven't got a conventional 3 phase supply and knew that the drives have a soft start/stop facility so all the original electrics were removed. All I did was to change the straps on the 6 pole motor from star to delta thus allowing me to run it from a 230v single phase supply. So unfortunately I can't do as you have suggested in your response to my initial query but thanks anyway for taking time to assist.

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