... AC.- Control voltage: DC 3~32V; Control current: 6mA~25mA.- Input constant current control, AC Zero point On and OFF function- ... temperature controller, electric cooker, rubber machinery, fountain control, numerical control machinery etc.- Reliable quality to replace famous brands . ... Control VoltageDC 3~32VControl Current6mA~25mATurn-On Voltage≤ 1.3VOff-set leakage≤ 1.3mAOff state dv/dt300v/usOn - Off ...