4
SM-1700 Series Rotary Electric Actuator
GENERAL SPECIFICATIONS
Speed/Torque:
SM-1720
SM-1790
*Time/Torque
sec./in. lbs. (Nm)
**Model
SM-1750
12/1200 (136), 24/1200 (136), 48/1200 (136)SM-1715
60/1800 (203), 31/1800 (203)
60/2400 (271)
12/1200 (136), 24/1200 (136), 48/1200 (136)
16/1000 (113), 31/1000 (113), 40/1000 (113)
12/1200 (136), 24/1200 (136), 48/1200 (136)
SM-1730
SM-1740
*Multiply these shift times by 1.2 for 50 Hz operation of AC
models. All travel times are for 90° movement of output shaft.
**NOTE: Models SM-1710 and SM-1770 are no longer being
offered. References to them are retained in this manual in order to
provide service to the field. They are replaced by SM-1730 and
SM-1750 respectively.
Rotation: Up to 90°
Duty Cycle: AC: 2,000 1% position changes/hour.
DC: 4,000 1% position changes/hour.
Temperature: -40°F to 150°F (-40°C to 65°C)
Environment Ratings: NEMA Type 4 (IP65), Dust
ignition proof, Class II, Division 1, Groups E, F & G
Weight: Approximately 40 lbs. (18.1 kg)
Enclosure Materials: Cast aluminum alloy
Non-Rotating When Motor Runs
Handcrank Gear Ratio: 1003:1
Lubrication Type: Permanently lubricated
Gearing: Spur gearing
Hold on Loss of Power: Motor drag brake
Mounting: Any position
Torque Limiting: Bi-Directional, disables motor when
torque rating is exceeded.
Output Shaft: One inch (25.4mm) diameter with 0.25
inch square (6.35 mm) keyway, or one inch (25.4mm)
diameter with 20 tooth spline.
ELECTRICAL SPECIFICATIONS
Input Power
Volts/PH/Hz Run Stall
240/3/50-60 0.4 1.3
380/3/50 0.3 0.9
480/3/50-60 0.2 0.65
SM-1720 120/1/50-60 0.9 1.2
SM-1730 120/1/50-60 0.9 1.2
SM-1740 24 Vdc 1.7 1.9
SM-1750
SM-1790
*Input power specified at time of order and not field-changeable.
Model
Current
(Amps)
SM-1715*
0.50.45240/1/50-60
Field Wiring: To barrier type terminal blocks.
MODELS WITH OPTIONAL AMPLIFIER
Positioning Accuracy: ± 0.25% of span
Repeatability: 0.1% of span
Hysteresis: 0.2% of span
Linearity: ± .8% of span
Deadband: 0.25% of span
Integral Thermal Protection/Single Phase AC Motor:
130°C
End-of-Travel Position Limit Switches:
20 amp, 250 Vac