4
SM-1700 Series Rotary Electric Actuator
GENERAL SPECIFICATIONS
Speed/Torque:
SM-1720
SM-1790
*Tim e/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 Pow er
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*
0.5
0.45
240/1/50-60
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
