Fangrui Product Details Name: Electronic Drain Valve Model: 507292 Indicator Lamp: Led Indicating Power On / Off Voltage Range: +/- Protection : Ip65 Insulation: H Maximum Working Pressure: 1.6mpa Maximum Temperature: 90 Celsius 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 , Separators, Dryers, Gas Tank, Drip Legs And Other Compressed Air System Components Clean The Compressed Air System Installation. Note The Direction Of The When Installing The Valve: Outlet Do Not Use The Hose Not Against The Impact Of Air. Power Supply Voltage Should Be With The Drain Valve Voltage: The Must Be Connected To Connector 1 When Using Dc. When Leave The The Drain Valve Has Connected To The Cable, Brownness Is Fiery L,blue Is The N,yellow-green Color Is The Safety Ground Wire Gnd. Be To Tighten The Long Screw On The Terminal Box To Prevent Water From Burning. Warning When Instal