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Fire&Smoke Actuator, 24 VAC/DC, 133inlb, 2-10V, 1m Cable
Unit of Measure


Object name


Application Type

N/A Fire and Smoke

Actuator Type

N/A Spring Return


N/A Spring

Minimum Torque

N/A 15 N·m133 lb·in

Control Type

N/A Modulating

Control Input

N/A 2-10 VDC

Input Impedance

N/A 100 k&Omega for 2 to 10 VDC, 500 &Omega for 4 to 20 mA

Position Feedback

N/A 2-10 VDC Feedback

Running Time (Motor)

N/A 75 seconds constant, independent of load

Running Time (Spring)

N/A < 20 seconds

Power Supply

N/A 24 VAC ±20%, 50/60 Hz, 24 VDC ±10%

Power Consumption

N/A Run 11 VA, 7 W, Hold 5 VA 3 W

Transformer Sizing

N/A 15 V·A

Electrical Connection

N/A 3 ft, 18 GA, 4 color coded leads (24V) 1/2" conduit connectors

Overload Protection

N/A Electronic throughout 0º to 95º rotation

Shaft Diameter

N/A Rnd 1/2" to 1.05" Sq 1/2"

Angle of Rotation

N/A 20º to 95º, pot adjustable

Direction of Rotation (Fail-Safe)

N/A Reversible with CW/CCW mounting

Position Indication

N/A Visual (0° is spring return position)

Manual Override

N/A 3 mm hex crank


N/A 5 to 95% RH non-condensing

Ambient Temperature

N/A -22 to +122 ºF-30 to +50 ºC

Ambient Temperature (safety for 1/2 hour)

N/A 250 ºF121 ºC

Storage Temperature

N/A -40 to +176 ºF-40 to +80 ºC

Noise Level

N/A Inaudible holding, running < 45 dB (A) spring < 62 dB (A)


N/A NEMA type 1/IP40 (with flex conduit)

Agency Listing

N/A cULus to UL 873 and CAN/CSA C22.2 No. 24-93


N/A None

Quality Standards

N/A ISO 9001, 5-year warranty


N/A 6.00 lb2.70 kg


Product Type

N/A Fire and Smoke


N/A For proportional modulation of UL555S rated dampers in HVAC. Actuator sizing should be done in accordance with the damper manufacturer's specifications.
The actuator is mounted directly to a damper shaft or jackshaft up to 1.05" in diameter be means of its universal clamp. A crank arm and mounting brackets are available if the actuator cannot be direct coupled to the jackshaft or damper shaft.
The actuator operates in response to 2 to 10 VDC, or with the addition of a 500? resistor, a 4 to 20 mA control input from an electronic controller or positioner. A 2 to 10 VDC feedback signal is provided for position indication or master-slave applications.