Arc Segment Actuators

Motran Industries Inc, is an Industry leader in the design, development, and production, of compact, high output Arc-segment Actuators. These linear motors have from 30 to 38 degrees of travel and develop from 4 to 15 ounce inches of torque, with resistive position sensing capabilities incorporated into each individual unit.
The primary application for these devices is for use in guidance system platforms. Description and performance data are listed below.
Please click on Model Numbers to link to individual specification pages
Please click on APD link for Additional Performance Data
Model RFX-10 RFX-13 RFX-20 RFX-23
Rated Torque mN·m /ozf·in 28 / 4.0 45 / 6.4 71 / 10.0 106 / 15.0
Max Power, Te=20°C W 6.5 11.5 3.5 4.5
Coil Temp at max. W, Te=20°C °C 130 130 130 130
Force Constant N/amp 3.1 2.4 3.8 2.8
Temp. Coef. Magnet per °C .0009 .0009 .0011 0.0011
Temp. Coef. Resistance per °C .00393 .00393 .00393 .00393
Temp. Coef. Coil Watt/per °C .028 .023 .057 .063
Resistance at 20°C Ohm 32.06 19.2 7.3 4.6
Inductance mH .209 .119 .231 .223
Angular Stroke ± degrees 38 33 30 30
Outer Radius mm 26.7 30.5 39.4 57.2
Armature mass Kg .006 .008 .020 .024
Total mass Kg .076 .070 .169 .214
Magnet Width mm 14.0 14.0 14.0 14.0
Magnet Type   NdFeB NdFeB NdFeB NdFeB
Stray manetic field, max Tesla .09 .08 .10 .10
Position Sensor Resistance kOhm 10 10 10 10
Position Sensor Excitation ±Volts DC 10 10 10 10