The stay put or touch-touch versions as they are also known, allow you to touch the button once to turn on and touch again to turn off. When you energise the button the outer ring will illuminate green then when you touch the button the outer ring will change to red to indicate contact has been made, touch again and the outer ring will return back to green.
The new capacitive touch button has no moving parts which extends the lifespan and allows us to give an IP67 rating. Fitting is easy due to the diameter being 22mm so can easily replace standard buttons if required. The supply voltage is 10-30VDC and are available in 1-metre cable versions or with an M12 connector. There are also 4 different outputs available NPN-NO, NPN-NC, PNP-NO and PNP-NC.