planemad Posted January 11, 2018 Share Posted January 11, 2018 Hi all, I have just finished constructing a table saw but I want to add an extra safety device to ensure that when the unit is connected to the mains, the switches are latched into the "off" position and will return there when I disconnect from the mains. Lazada have some NO+NC Start Stop DPST Latching push button switches (220V), will this provide me with the safety features I require, or, failing that, what can you suggest that I should be using? Many Thanks Planemad. Link to comment Share on other sites More sharing options...
planemad Posted January 11, 2018 Author Share Posted January 11, 2018 Thank you Arjen, good information, for sure on my list of possibilities. Link to comment Share on other sites More sharing options...
Crossy Posted January 11, 2018 Share Posted January 11, 2018 Look for a "motor starter" with a no-volt release (NVR). On and Off buttons, but if the power goes off whilst it is on it unlatches and turns off, you can't turn it on with no power. This sort of thing https://www.ebay.co.uk/itm/NVR-Stop-Start-Switch-Button-Universal-KJD-Lathe-Mill-Drill-With-Emergency-230V/202087106736 Link to comment Share on other sites More sharing options...
planemad Posted January 12, 2018 Author Share Posted January 12, 2018 Thanks Crossy, that looks perfect for the job. Link to comment Share on other sites More sharing options...
sometimewoodworker Posted June 20, 2018 Share Posted June 20, 2018 On 1/11/2018 at 5:38 PM, planemad said: Hi all, I have just finished constructing a table saw but I want to add an extra safety device to ensure that when the unit is connected to the mains, the switches are latched into the "off" position and will return there when I disconnect from the mains I've just got this in the post it does the job Link to comment Share on other sites More sharing options...
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