The QSR24 is a second generation power close, spring open actuator that provides increased torque and quiet operation. An internal brake controls the rewind speed of the motor and eliminates the loud noise caused by the motor and gears when rewinding.
Unit of Measure
Specifications
Damper Diameter |
N/A 20 in |
Operation |
N/A Power Open/Spring Close Spring Close/Power Open |
Motor Torque at Starting (Close) |
N/A 90 in·oz |
Motor Torque at Fully Close (Close) |
N/A 65 in·oz |
Spring Torque at Starting (Open) |
N/A 54 in·oz |
Spring Torque at Fully Close (Open) |
N/A 37 in·oz |
Rotation Angle |
N/A 93 º |
Adjustable Close Angle |
N/A Optional, from 50% to fully closed |
Operate Time |
N/A 16 seconds to fully open 30 seconds to fully close |
Noise |
N/A Very quiet, mechanical brake controls rewind speed |
Direction of Rotation |
N/A 24 VAC power rotates shaft CCW, viewed from top of actuator Spring rotates shaft CW, viewed from top of actuator |
Alternating Current (AC) Electrical Power Voltage |
N/A 24 V |
Electrical Power Current |
N/A 0.33 A7.9 V·A |
Mounting |
N/A Shaft with collar and setscrew for 5/16-inch shaft |
Housing |
N/A Molded plastic cover Steel base with polished chrome finish |
Electrical Connection Wire Length |
N/A 4 in |
Electrical Connection Wire Size |
N/A 18 AWG |
Hexagonal Set Screw Size |
N/A 1/4-20 in |
Acceptable Shaft Diameter |
N/A 5/16 in |
Anti-Rotation Pin Diameter |
N/A 0.25 in |
Anti-Rotation Pin Length |
N/A 1.00 to 1.50 in |
Zone Number |
N/A 4 |
