MDI GW2CW1000, MDI float switch, normally closed, switches off when tank is full
Mercury Displacement Industries is manufacturer of high quality float switches. They are located in Michigan USA. MDI has been manufacturing high quality float switches for over 40 years. MDI float switches are made in the USAand are rated for millions of operations. All MDI basic units are UL, CSA, and CE approved. If you are looking for high quality float switches at an affordable price, MDI has the float for you.
The MDI GW2CW1000 is a normally-closed float switch for 120 or 240 Volt AC, with a maximum continuous current of 13 Amp. These switches are meant for pumps up to 1/2 HP. A normally-closed float is used for keeping a tank “full”; when the float is ‘up’ it is switched off, and when the fluid level drops (and the float with it) it switches on, activating a pump, to bring the fluid level back up.