Limited Angle Torque Motor,a linear motor,product,TMR-040-25-025-4C
Limited Angle Torque Motor, TMR-040-25-025-4C
H2W Technologies Limited Angle Torque Motors are ideal for compact, limited angular excursion (<180º), rotary, closed loop servo applications. Unlike conventional rotary brush and brushless motors, the torquers are wound in such a way that no commutation is required for motion to occur. The result is a much simpler and more reliable system.

To determine your motion profile needs, use our rotary motion calculator.

Device TypeMR
Continuous Torque Range40 degrees0.70 rad
# of Poles4
Radial Clearance0.040 in1.01 mm
Housed w/ BearingsNo
Rotor Inertia6.1 oz-in²1.1 E-4 kg-m²
Total Mass0.77 oz350 grams
Resistance @ 20C15.7 ohms
Inductance @ 20C6.0 mH
Electrical Time Constant0.38 msec
Motor Constant5.2 in-oz/√watt3.6 N-cm/√watt
Torque Constant20.6 in-oz/amp14.4 N-cm/amp
Back EMF0.15 V/rad/sec
Torque @ 100% Duty13.0 in-oz0.09 N-cm
Power @ 100% Duty6.5 watts
Current @ 100% Duty0.63 amps
Torque @ 10% Duty39.0 in-oz0.27 N-cm
Power @ 10% Duty56.0 watts
Current @ 10% Duty1.9 amps
Outside Diameter2.5 in63.5 mm
Housing Thickness2 in1 mm
Product Drawing

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