Features: 1) DKJ fan actuator 2) A special design for control fan in HVAC system 3) Supplies 2 - 40N.m torsion 4) Can be installed to the fan flow, ventilation window, VAV and other equipments directly, can adjust the switch, floating and proportion 5) Can be operated by manual through buttons 6) Technical data: a) Power supply: 230V AC, 24V AC, 120V AC b) Accuracy: ±10% c) Control signal: 3 and 2 point d) Output torque: 4 - 40Nm e) Ambient condition: -6~55oC,0~90%RH f) Max. noise: 40db(A) g) Run time: 30 - 120s h) Rated current: 4 - 5A i) Storage current: 1 - 2.5VA j) Protect rank: IP54 k) N.W.: 600 - 900g l) Shaft diameter: 10 - 20mm