Brushless DC Servo Motors

Mavilor MSS Series DC Servo Motor

The Mavilor MSS Series DC Servo Motor is an industry-leading solution engineered for high-response servo applications. Featuring an axial air gap dish armature, this series offers smooth, non-cogging torque, making it ideal for tasks demanding high precision and control.

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Mavilor MSS Series DC Servo Motor

Features

  • Rated Speed: 3,000rpm
  • Rated Voltage: 39.4Vdc~224Vdc +/-5%
  • Rated Current: 6.5~21A
  • Rated Output Power: 190.3W~4,274W
  • Rated Torque: 0.6~13.6Ncm
  • Efficiency: 74~91%
Selection Table
MSS Series
  Symbols Units MSS-2 MSS-4 MSS-6 MSS-8 MSS-12 MSS-22 MSS-35 MSS-45
RATED SPEED n rpm 3000 3000 3000 3000 3000 3000 3000 3000
RATED VOLTAGE 5% U V 39.4 67 67.8 89.7 106.7 181 200 224
RATED CURRENT I A 6.5 7.8 10.7 10.7 14 16 19.5 21
RATED OUTPUT POWER (1) P W 190.3 397 575 805 1240 2573 3525 4274
EFFICIENCY   % 74 76 80 84 83 89 90 91
RATED TORQUE T Nm 0.6 1.26 1.83 2.56 3.95 8.19 11.23 13.6
MAXIMUM TORQUE (2) Tmax Nm 3.6 7.58 11 15.38 23.7 49.14 67.38 81.6
MAXIMUM SPEED (3) n max rpm 7000 6000 6000 5000 4500 4000 4000 4000
EMF CONSTANT 5% KE V/1000 rpm 10.4 18 19 26.3 30.85 55.6 62.53 70
TORQUE CONSTANT 5% KT Nm/A 0.099 0.172 0.181 0.251 0.295 0.53 0.597 0.668
FRICTION TORQUE TF Nm 0.03 0.05 0.05 0.06 0.09 0.09 0.11 0.11
DAMPING CONSTANT KD Nm/1000 rpm 0.003 0.009 0.018 0.021 0.02 0.05 0.1 0.11
TERMINAL RESISTANCE (25C) R   1 1.25 0.75 0.82 0.75 0.67 0.51 0.51
ARMATURE INDUCTANCE L µH <102 <130 <120 <150 <200 <250 <300 <300
INERTIA J kg m2 10-3 0.15 0.37 0.4 0.82 1.7 5.1 8.5 8.5
MECHANICAL TIME CONSTANT M ms 14.38 15 9 10.17 14 11.6 11.6 9.3
TRANSITORY POWER PS kW/s 89 155 300 288 330 473 534 783
THERMAL TIME CONSTANT ROTOR TO HOUSING AC s 170 180 190 200 300 360 650 650
THERMAL TIME CONSTANT (1) HOUSING TO AMBIENT CA s 1700 1750 1800 2000 2700 3000 4000 4000
THERMAL RESISTANCE ROTOR TO HOUSING RAC C/W 0.8 0.5 0.5 0.5 0.3 0.2 0.13 0.15
THERMAL RESISTANCE (1) HOUSING TO AMBIENT RCA C/W 0.5 0.3 0.4 0.4 0.3 0.2 0.14 0.15
RADIAL LOAD (at mid-length of shaft) FR N 200 200 300 300 500 600 700 700
AXIAL LOAD FA N 150 200 200 200 250 400 400 400
MASS (Only motor. No options) M kg 3.3 4.5 5.8 8 10 16 22 24
(1) With an aluminium heat sink plate 300x300x10       400x400x10     500x500x10    
(2) For an S3 cycle 3     3.5 4   7 10    
(3) Maximum speed in continuous service. During a very short time (r.p.m.) 9000       6000     4500    
ALL CHARACTERISTICS MEASURED AT 40 DEGREES CELSIUS AMBIENT
TEMPERATURE EXCEPT TERMINAL RESISTANCE (25 DEGREES CELSIUS)
Downloads
Mavilor_mss_series_sc_DC_Servo_Motors.pdf
MSS Series
  Symbols Units MSS-2 MSS-4 MSS-6 MSS-8 MSS-12 MSS-22 MSS-35 MSS-45
RATED SPEED n rpm 3000 3000 3000 3000 3000 3000 3000 3000
RATED VOLTAGE 5% U V 39.4 67 67.8 89.7 106.7 181 200 224
RATED CURRENT I A 6.5 7.8 10.7 10.7 14 16 19.5 21
RATED OUTPUT POWER (1) P W 190.3 397 575 805 1240 2573 3525 4274
EFFICIENCY   % 74 76 80 84 83 89 90 91
RATED TORQUE T Nm 0.6 1.26 1.83 2.56 3.95 8.19 11.23 13.6
MAXIMUM TORQUE (2) Tmax Nm 3.6 7.58 11 15.38 23.7 49.14 67.38 81.6
MAXIMUM SPEED (3) n max rpm 7000 6000 6000 5000 4500 4000 4000 4000
EMF CONSTANT 5% KE V/1000 rpm 10.4 18 19 26.3 30.85 55.6 62.53 70
TORQUE CONSTANT 5% KT Nm/A 0.099 0.172 0.181 0.251 0.295 0.53 0.597 0.668
FRICTION TORQUE TF Nm 0.03 0.05 0.05 0.06 0.09 0.09 0.11 0.11
DAMPING CONSTANT KD Nm/1000 rpm 0.003 0.009 0.018 0.021 0.02 0.05 0.1 0.11
TERMINAL RESISTANCE (25C) R   1 1.25 0.75 0.82 0.75 0.67 0.51 0.51
ARMATURE INDUCTANCE L µH <102 <130 <120 <150 <200 <250 <300 <300
INERTIA J kg m2 10-3 0.15 0.37 0.4 0.82 1.7 5.1 8.5 8.5
MECHANICAL TIME CONSTANT M ms 14.38 15 9 10.17 14 11.6 11.6 9.3
TRANSITORY POWER PS kW/s 89 155 300 288 330 473 534 783
THERMAL TIME CONSTANT ROTOR TO HOUSING AC s 170 180 190 200 300 360 650 650
THERMAL TIME CONSTANT (1) HOUSING TO AMBIENT CA s 1700 1750 1800 2000 2700 3000 4000 4000
THERMAL RESISTANCE ROTOR TO HOUSING RAC C/W 0.8 0.5 0.5 0.5 0.3 0.2 0.13 0.15
THERMAL RESISTANCE (1) HOUSING TO AMBIENT RCA C/W 0.5 0.3 0.4 0.4 0.3 0.2 0.14 0.15
RADIAL LOAD (at mid-length of shaft) FR N 200 200 300 300 500 600 700 700
AXIAL LOAD FA N 150 200 200 200 250 400 400 400
MASS (Only motor. No options) M kg 3.3 4.5 5.8 8 10 16 22 24
(1) With an aluminium heat sink plate 300x300x10       400x400x10     500x500x10    
(2) For an S3 cycle 3     3.5 4   7 10    
(3) Maximum speed in continuous service. During a very short time (r.p.m.) 9000       6000     4500    
ALL CHARACTERISTICS MEASURED AT 40 DEGREES CELSIUS AMBIENT
TEMPERATURE EXCEPT TERMINAL RESISTANCE (25 DEGREES CELSIUS)
Mavilor_mss_series_sc_DC_Servo_Motors.pdf

Find the Right Model

Model Number Rated Voltage (Vdc) Rated Torque (Nm) Rated Speed (RPM)
product variant MSS-2 39.4Vdc 0.6Nm 3000
product variant MSS-4 67Vdc 1.26Nm 3000
product variant MSS-6 67.8Vdc 1.83Nm 3000
product variant MSS-8 89.7Vdc 2.56Nm 3000
product variant MSS-12 106.7Vdc 3.95Nm 3000
product variant MSS-22 181Vdc 8.19Nm 3000
product variant MSS-35 200Vdc 11.23Nm 3000
product variant MSS-45 224Vdc 13.6Nm 3000

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