Brushless AC Servo Motors

Mavilor BLS/BLT 72 SERIES AC Servo Motor

The Mavilor BLS/BLT 72 Series AC Servo Motor is a high-performance, brushless motor designed for demanding industrial and automation applications. It combines precision engineering with advanced feedback systems to deliver superior dynamic response, reliability, and efficiency.

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Mavilor BLS/BLT 72 SERIES AC Servo Motor

Features

  • Nominal Speed: 11,000 r.p.m
  • Stall Torque: 1.8 - 1.9 Nm (+/-10%)
  • Stall Current: 2.37 - 4.87A (+/-10%)
  • Peak Torque: 7.2 - 7.6 Nm (+/-10%)
  • Torque Weight Ratio: 0.96 - 1.02 Nm/kg
Selection Table
Characteristics Symbol Units BLT-72 BLS-72
  220 VAC 400 VAC 220 VAC 400 VAC
NOMINAL SPEED n r.p.m 11000 11000
STALL TORQUE (+/-10%) Ms Nm 1.9 1.8 1.9 1.9
STALL CURRENT (+/-10%)  Is A 4.87 2.77 3.96 2.37
PEAK TORQUE (+/-10%) Mj Nm 7.6 7.20 7.6 7.6
TORQUE-WEIGHT RATIO Tw Nm/kg 1.02 0.96 1 1
EMF CONSTANT (+/-5%)  Ke Vs/rad 0.39 0.65 0.28 0.46
TORQUE CONSTANT (+/-5%)  Kt Nm/A 0.39 0.65 0.48 0.8
RELUCTANCE TORQUE  Tr Nm <3.5% <3.5%
WINDING RESISTANCE (+/-5%) R Ω 5.3 15.5 5.3 15.5
WINDING INDUCTANCE (+/-5%) L(ph-ph) mH 5.4 13.2 5.4 13.2
ROTOR INERTIA J kgm10 0.051 0.051 0.051 0.051
MECHANICAL TIME CONSTANT Tm ms 1.78 1.87 2.01 2.15
ELECTRICAL TIME CONSTANT Te ms 1.02 0.85 1.02 0.85
THERMAL TIME CONSTANT Tth s 1280 1280 1280 1280
THERMAL RESISTANCE Rth ºC/W 0.68 0.72 0.69 0.69
MASS M kg 1.87 1.87 1.9 1.9
RADIAL LOAD Fr N 245
AXIAL LOAD Fa N 98
INSULATION     class-F
PROTECTION     IP-65
ALUMINIUM HEAT SINK PLATE     300x300x10
Downloads
Mavilor_BL40_BL50_BL70_series_AC_Servo_Motors.pdf
Characteristics Symbol Units BLT-72 BLS-72
  220 VAC 400 VAC 220 VAC 400 VAC
NOMINAL SPEED n r.p.m 11000 11000
STALL TORQUE (+/-10%) Ms Nm 1.9 1.8 1.9 1.9
STALL CURRENT (+/-10%)  Is A 4.87 2.77 3.96 2.37
PEAK TORQUE (+/-10%) Mj Nm 7.6 7.20 7.6 7.6
TORQUE-WEIGHT RATIO Tw Nm/kg 1.02 0.96 1 1
EMF CONSTANT (+/-5%)  Ke Vs/rad 0.39 0.65 0.28 0.46
TORQUE CONSTANT (+/-5%)  Kt Nm/A 0.39 0.65 0.48 0.8
RELUCTANCE TORQUE  Tr Nm <3.5% <3.5%
WINDING RESISTANCE (+/-5%) R Ω 5.3 15.5 5.3 15.5
WINDING INDUCTANCE (+/-5%) L(ph-ph) mH 5.4 13.2 5.4 13.2
ROTOR INERTIA J kgm10 0.051 0.051 0.051 0.051
MECHANICAL TIME CONSTANT Tm ms 1.78 1.87 2.01 2.15
ELECTRICAL TIME CONSTANT Te ms 1.02 0.85 1.02 0.85
THERMAL TIME CONSTANT Tth s 1280 1280 1280 1280
THERMAL RESISTANCE Rth ºC/W 0.68 0.72 0.69 0.69
MASS M kg 1.87 1.87 1.9 1.9
RADIAL LOAD Fr N 245
AXIAL LOAD Fa N 98
INSULATION     class-F
PROTECTION     IP-65
ALUMINIUM HEAT SINK PLATE     300x300x10
Mavilor_BL40_BL50_BL70_series_AC_Servo_Motors.pdf

Find the Right Model

Model Number Stall Torque (Nm) Max Speed (RPM) Torque Constant (Nm/A)
product variant BLS-72-220VAC 1.9Nm 11000 RPM 0.48Nm
product variant BLS-72-400VAC 1.9Nm 11000 RPM 0.8Nm
product variant BLT-72-220VAC 1.9Nm 11000 RPM 0.39Nm
product variant BLT-72-400VAC 1.8Nm 11000 RPM 0.65Nm

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