Application: For on-off control of dampers in HVAC systems. Actuator sizing should be done in accordance with the damper manufacturer’s specifications. The actuator mounts directly to the damper operating shaft with a universal V-bolt clamp assembly. Technical Data LM24… on-off/floating point Power supply: 24 VAC 20% 50/60 Hz 24 VDC 10% Power consumption: 2 W Transformer sizing: 3 VA (Class 2 power source) Electrical connection* :Screw terminal (for 26 to 14 GA wire) Control: On-off Overload protection: Electronic throughout 0 to 95 rotation Angle of rotation: max 95, adjust. with mechanical stops Torque: min 35 in-lb [4 Nm] Direction of rotation: Reverse wires terminals 2 and 3 Position indication: clip-on indicator (not on “-T” models) Running time: 80 to 110 sec. for 0 to 35 in-lb Manual override: external push button Humidity: 5 to 95% RH, non-condensing Ambient temperature: -22F to +122F [-30C to +50C] Storage temperature:-40F to +176F [-40C to +80C] Housing type: NEMA type 1 Housing material rating: UL94-5V Noise level: less than 35 dB (A) Servicing: maintenance free Agency listings: UL 873 listed, CSA C22.2 No.24 certified, CE Quality standard: ISO 9001 Weight: 1.2 lbs [0.55 kg]