Name: Electronic drain valve Model: 507292 Indicator lamp: LED indicating power on / off Voltage range: +/-10% Protection grade: IP65 Insulation: class H Maximum working pressure: 1.6Mpa Maximum temperature: 90 Celsius Ambient temperature: -40 Celsius to 60 Celsius The largest current consumption: 4mA Power supply voltage: 24-240V AC/DC 50/60Hz Discharge time (ON): 0.5--10 seconds Time interval (OFF): 0.5--45 minutes Widely used in filters, separators, dryers, gas tank, drip legs and other compressed air system components Clean the compressed air system before installation. Note the direction of the arrow when installing the valve: outlet do not use the hose that not against the impact of air. Power supply voltage should be consistent with the drain valve voltage: the positive pole must be connected to connector "1" when using DC. When leave the factory the drain valve has connected to the cable, brownness is fiery L,blue is the zero line N,yellow-green color is the safety ground wire GND. Be sure to tighten the long screw on the terminal box to prevent water from burning. Warning! When installing the electronic drain valve, make sure that: Compressed air has been emptied (that is, under zero pressure). The power supply has been switched off. Color: Gold + black Material: metal size: flow aperture: 5 mm In / out port size: 1/2inch Package Contents: 3 x Electronic drain valve Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.