... DC12V, DC24V, AC24V, AC110V, AC220V, AC380VPower consumption:AC220V 2.0WDC12V, AC110V, AC380V 2.5WDC24V 3.0WAC24V 3.5WAllowable voltage range:-15%~10 ... Be sure to check up the solenoid valve before installation.2. Before installation, please confirm the valve voltageconnection and direction of ... the air flow are right.to be s best to install a silencer or speed controlsilencer in front ...