1. Output torque: 2Nm, 4Nm, 6Nm, 8Nm, 10Nm, 16Nm, 24Nm, 32Nm 2.Power supply: 24VAC/DC. 48VDC, 100...240VAC 3.Control method: 2 point/ 3 point/ Floating/ Modulating 4.Control signal: 0(2)-10VDC or 0(4)-20mA 5.Rotation: selection direction of rotation, adjustable angle of rotation. 6.Working condition: -20+50 7.Auxiliary switch: yes 8.Drive valves: it can used for ball valve or butterfly valve. 9.Shaft size: round: 10-20mm; square: 10 10-16 16mm