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LDX Frameless Models

The World’s Most Torque-Dense Direct Drive Frameless Rotary Motor.

The LiveDrive® LDX is a patented frameless motor with up to 3x more torque-to-mass than other direct drive motors so your machines can accelerate faster, increase payload, and reduce size/weight.

Welcome to the next generation of direct drive rotary motors – where more performance comes in smaller packages to unlock breakthrough applications.

LDX Frameless Product Roadmap
Evaluation available Q3 2022 | Product available Q1 2023

LDX roadmap

Highest Industry Torque

LiveDrive LDX frameless motors provide superior torque with design flexibility. With the industry-highest torque, you can move higher payloads faster.

Simplified Design

Commission a system quickly by managing fewer parts in the supply chain. A simpler design without drive sub assemblies, such as gears and belts to maintain.

Smaller Form Factor

With a compact footprint, the LDX frameless allows you more design flexibility with less weight and floor space to drive more value from your machinery.

Easier Integration

Large through-bore shaft provides flexibility in overall design and cable management. Standard and custom windings for any system voltage or application.

LDX frameloss motor

Behind the
LiveDrive LDX
Frameless
Motor

See All Specifications

 

Product Features

  • Large through-bore shaft provides flexibility in overall design as well as cable management.
  • Built-in temperature detector monitors coils to ensure safety without sacrificing performance.
  • Available in multiple voltages suited to industrial power sources, both 480 and 230 VAC.
  • Multiple options for stator and rotor integration enable compact and simple machine designs, reducing total cost of ownership.
LDX Stacklengths

Leverage LiveDrive LDX in Your Industry

How LiveDrive LDX Empowers Your Industry

 

Applications

  • Rotary positioning for CNC machining and automated assembly
  • Electro-mechanical linear actuation
  • Drivetrains for AMR and AS/RS

More Applications

 

Specifications

LDX 095-038

LDX 095-038-BNA

LDX 095-050

LDX 095-050-BNA

LDX 095-075

LDX 095-075-BNA
Performance Units 095-038-BNA 095-050-BNA 095-075-BNA
Continuous Stall Torque* Nm 7.27 9.09 12.5
Continuous Current* Arms 4.67 4.35 3.94
Peak Torque @ 20°C Nm 10.8 14.4 21.5
Peak Current Arms 7.04 7.04 7.04
Rated Power* W 994 947 877
Rated Speed at Rated Power RPM 1,410 1,057 705
Rated Torque at Rated Power Nm 6.73 8.55 11.9
No-Load Speed RPM 1,985 1,488 992
Cogging Torque % of Continuous 2.0 2.0 2.0
Electrical Units 095-038-BNA 095-050-BNA 095-075-BNA
Design Voltage VAC 230 230 230
Ke at 20°C (± 10 %) Vrms/kRPM 116 155 232
Kt loaded at 145°C up to Icont Nm/Arms 1.56 2.09 3.16
Km at 20°C Nm/√(W) 0.764 0.904 1.16
Km at 145°C Nm/√(W) 0.508 0.605 0.784
Resistance line-to-line at 20°C (± 10 %) 4.20 5.33 7.27
Inductance line-to-line at 20°C (± 10 %) mH 18 24 36
Thermal Units 095-038-BNA 095-050-BNA 095-075-BNA
Thermal Resistance  °C/W 0.610 0.554 0.494
Aluminum Heat Sink Dimensions mm 250 x 250 x 6.3 250 x 250 x 6.3 250 x 250 x 6.3
Storage Temperature °C -20 to 80 -20 to 80 -20 to 80
Operating Ambient Temperature** °C -20 to 100 -20 to 100 -20 to 100
Maximum Winding Temperature °C 145 145 145
Physical Units 095-038-BNA 095-050-BNA 095-075-BNA
Stator OD mm 95.0 95.0 95.0
Stator ID mm 51.88 51.88 51.88
Rotor OD mm 50.78 50.78 50.78
Rotor ID mm 30.0 30.0 30.0
Stator Length mm 67.5 80.0 105.0
Stack Length mm 37.5 50.0 75.0
Rotor Length mm 44.3 56.8 81.8
Rotor Inertia kg·m^2 1.47E-04 1.92E-04 2.81E-04
Total Mass kg 1.85 2.32 3.26
Number of Poles 20 20 20
Integrated Sensors Units 095-038-BNA 095-050-BNA 095-075-BNA
Temperature Sensor PT-1000 PT-10-0 PT-10-0

*Assumes a 125°C rise from an ambient temperature of 20°C with motor mounted to listed aluminum heatsink or equivalent.

**Specifications are rated assuming a 20°C ambient temperature. Increasing the ambient temperature derates the motor performance.

All electrical and performance specifications have +/- 10% tolerance. Specifications preliminary and subject to change.

LDX 115-038

LDX 115-038-BNA

LDX 115-050

LDX 115-050-BNA

LDX 115-075

LDX 115-075-BNA
Performance Units 115-038-BNA 115-050-BNA 115-075-BNA
Continuous Stall Torque* Nm 11.4 14.6 20.2
Continuous Current* Arms 5.21 4.97 4.58
Peak Torque @ 20°C Nm 19.8 26.4 39.6
Peak Current Arms 9.21 9.21 9.21
Rated Power* W 1,179 1,129 1,040
Rated Speed at Rated Power RPM 1,097 802 522
Rated Torque at Rated Power Nm 10.3 13.4 19.0
No-Load Speed RPM 1,429 1,071 715
Cogging Torque % of Continuous 1.0 1.0 1.0
Electrical Units 115-038-BNA 115-050-BNA 115-075-BNA
Design Voltage VAC 230 230 230
Ke at 20°C (± 10 %) Vrms/kRPM 161 215 322
Kt loaded at 145°C up to Icont Nm/Arms 2.20 2.93 4.41
Km at 20°C Nm/√(W) 1.13 1.36 1.75
Km at 145°C Nm/√(W) 0.761 0.922 1.19
Resistance line-to-line at 20°C (± 10 %) 3.72 4.53 6.15
Inductance line-to-line at 20°C (± 10 %) mH 14 19 29
Thermal Units 115-038-BNA 115-050-BNA 115-075-BNA
Thermal Resistance  °C/W 0.554 0.500 0.434
Aluminum Heat Sink Dimensions mm 300 x 300 x 12.7 300 x 300 x 12.7 300 x 300 x 12.7
Storage Temperature °C -20 to 80 -20 to 80 -20 to 80
Operating Ambient Temperature** °C -20 to 100 -20 to 100 -20 to 100
Maximum Winding Temperature °C 145 145 145
Physical Units 115-038-BNA 115-050-BNA 115-075-BNA
Stator OD mm 116 116 116
Stator ID mm 72.43 72.43 72.43
Rotor OD mm 71.23 71.23 71.23
Rotor ID mm 50.0 50.0 50.0
Stator Length mm 67.5 80.0 105.0
Stack Length mm 37.5 50.0 75.0
Rotor Length mm 44.3 56.8 81.8
Rotor Inertia kg·m^2 4.73E-04 6.15E-04 8.99E-04
Total Mass kg 2.46 3.08 4.32
Number of Poles 26 26 26
Integrated Sensors Units 115-038-BNA 115-050-BNA 115-075-BNA
Temperature Sensors PT-1000 PT-1000 PT-1000

*Assumes a 125°C rise from an ambient temperature of 20°C with motor mounted to listed aluminum heatsink or equivalent.

**Specifications are rated assuming a 20°C ambient temperature. Increasing the ambient temperature derates the motor performance.

All electrical and performance specifications have +/- 10% tolerance. Specifications are preliminary and subject to change.

LDX 135-050

LDX 135-050-BNA

LDX 135-075

LDX 135-075-BNA

LDX 135-100

LDX 135-100-BNA
Performance  Units 135-050-BNA 135-075-BNA 135-100-BNA
Continuous Stall Torque* Nm 20.3 28.5 35.0
Continuous Current* Arms 4.91 4.58 4.20
Peak Torque @ 20°C Nm 46.0 69.0 92.0
Peak Current Arms 11.9 11.9 11.9
Rated Power* W 1,068 1,003 909
Rated Speed at Rated Power RPM 564 367 268
Rated Torque at Rated Power Nm 18.1 26.1 32.4
No-Load Speed RPM 735 490 367
Cogging Torque % of Continuous 1.0 1.0 1.0
Electrical  Units 135-050-BNA 135-075-BNA 135-100-BNA
Design Voltage VAC 230 230 230
Ke at 20°C (± 10 %) Vrms/kRPM 313 469 626
Kt loaded at 145°C up to Icont Nm/Arms 4.13 6.22 8.33
Km at 20°C N·m/√(W) 1.84 2.36 2.80
Km at 145°C Nm/√(W) 1.20 1.55 1.84
Resistance line-to-line at 20°C (± 10 %) 5.28 7.21 9.15
Inductance line-to-line at 20°C (± 10 %) mH 18 26 35
 Thermal Units 135-050-BNA 135-075-BNA 135-100-BNA
Thermal Resistance  °C/W 0.439 0.369 0.346
Aluminum Heat Sink Dimensions mm 300 x 300 x 12.7 300 x 300 x 12.7 300 x 300 x 12.7
Storage Temperature °C -20 to 80 -20 to 80 -20 to 80
Operating Ambient Temperature** °C -20 to 100 -20 to 100 -20 to 100
Maximum Winding Temperature °C 145 145 145
 Physical  Units 135-050-BNA 135-075-BNA 135-100-BNA
Stator OD mm 137 137 137
Stator ID mm 92.96 92.96 92.96
Rotor OD mm 91.69 91.69 91.69
Rotor ID mm 69.0 69.0 69.0
Stator Length mm 67.5 80.0 105.0
Stack Length mm 50.0 75.0 100.0
Rotor Length mm 56.8 81.8 106.8
Rotor Inertia kg·m^2 1.45E-03 2.12E-03 2.79E-03
Total Mass kg 3.83 5.42 6.94
Number of Poles 32 32 32
 Integrated Sensors Units 135-050-BNA 135-075-BNA 135-100-BNA
Temperature Sensor PT-1000 PT-1000 PT-1000

*Assumes a 125°C rise from an ambient temperature of 20°C with motor mounted to listed aluminum heatsink or equivalent.

**Specifications are rated assuming a 20°C ambient temperature. Increasing the ambient temperature derates the motor performance.

All electrical and performance specifications have +/- 10% tolerance. Specifications are preliminary and subject to change.

LDX 160-050

LDX 160-050-BNA

LDX 160-075

LDX 160-075-BNA

LDX 160-100

LDX 160-100-BNA
Performance  Units 160-050-BNA 160-075-BNA 160-100-BNA
Continuous Stall Torque* Nm 32.3 44.4 55.4
Continuous Current* Arms 7.24 6.62 6.19
Peak Torque @ 20°C Nm 78.3 117 157
Peak Current Arms 16.6 16.6 16.6
Rated Power* W 1,594 1,549 1,474
Rated Speed at Rated Power RPM 610 388 284
Rated Torque at Rated Power Nm 24.9 38.1 49.5
No-Load Speed RPM 722 482 361
Cogging Torque % of Continuous 1.0 1.0 1.0
Electrical Units 160-050-BNA 160-075-BNA 160-100-BNA
Design Voltage VAC 230 230 230
Ke at 20°C (± 10 %) Vrms/kRPM 318 478 637
Kt loaded at 145°C up to Icont Nm/Arms 4.46 6.70 8.95
Km at 20°C Nm/√(W) 2.64 3.39 4.02
Km at 145°C Nm/√(W) 1.83 2.36 2.80
Resistance line-to-line at 20°C (± 10 %) 2.65 3.61 4.57
Inductance line-to-line at 20°C (± 10 %) mH 8.0 13 17
Thermal Units 160-050-BNA 160-075-BNA 160-100-BNA
Thermal Resistance  °C/W 0.402 0.353 0.319
Aluminum Heat Sink Dimensions mm 300 x 300 x 12.7 300 x 300 x 12.7 300 x 300 x 12.7
Storage Temperature °C -20 to 80 -20 to 80 -20 to 80
Operating Ambient Temperature** °C -20 to 100 -20 to 100 -20 to 100
Maximum Winding Temperature °C 145 145 145
Physical  Units 160-050-BNA 160-075-BNA 160-100-BNA
Stator OD mm 158 158 158
Stator ID mm 113.46 113.46 113.46
Rotor OD mm 112.19 112.19 112.19
Rotor ID mm 84.0 84.0 84.0
Stator Length mm 67.5 80.0 105.0
Stack Length mm 50.0 75.0 100.0
Rotor Length mm 56.8 81.8 106.8
Rotor Inertia kg·m^2 3.25E-03 4.75E-03 6.25E-03
Total Mass kg 4.88 6.90 8.85
Number of Poles 38 38 38
Integrated Sensors Units 160-050-BNA 160-075-BNA 160-100-BNA
Temperature Sensor PT-1000 PT-1000 PT-1000

*Assumes a 125°C rise from an ambient temperature of 20°C with motor mounted to listed aluminum heatsink or equivalent.

**Specifications are rated assuming a 20°C ambient temperature. Increasing the ambient temperature derates the motor performance.

All electrical and performance specifications have +/- 10% tolerance. Specifications are preliminary and subject to change.

LDX 180-050

LDX 180-050-BNA

LDX 180-075

LDX 180-075-BNA

LDX 180-100

LDX 180-100-BNA
Performance Units 180-050-BNA 180-075-BNA 180-100-BNA
Continuous Stall Torque* Nm 44.8 63.7 76.7
Continuous Current* Arms 7.42 8.86 8.01
Peak Torque @ 20°C Nm 97.0 145.5 194.0
Peak Current Arms 14.8 18.6 18.6
Rated Power* W 1,680 2,022 1,826
Rated Speed at Rated Power RPM 421 353 259
Rated Torque at Rated Power Nm 38.1 54.7 67.4
No-Load Speed RPM 522 438 328
Cogging Torque % of Continuous 1.0 1.0 1.0
Electrical Units 180-050-BNA 180-075-BNA 180-100-BNA
Design Voltage VAC 230 230 230
Ke at 20°C (± 10 %) Vrms/kRPM 441 526 700
Kt loaded at 145°C up to Icont Nm/Arms 6.04 7.19 9.58
Km at 20°C Nm/√(W) 3.37 4.32 5.13
Km at 145°C Nm/√(W) 2.28 2.92 3.47
Resistance line-to-line at 20°C (± 10 %) 3.13 2.70 3.4
Inductance line-to-line at 20°C (± 10 %) mH 10 9.6 12.8
Thermal Units 180-050-BNA 180-075-BNA 180-100-BNA
Thermal Resistance  °C/W 0.324 0.264 0.256
Aluminum Heat Sink Dimensions mm 400 x 400 x 12.7 400 x 400 x 12.7 400 x 400 x 12.7
Storage Temperature °C -20 to 80 -20 to 80 -20 to 80
Operating Ambient Temperature** °C -20 to 100 -20 to 100 -20 to 100
Maximum Winding Temperature °C 145 145 145
Physical Units 180-050-BNA 180-075-BNA 180-100-BNA
Stator OD mm 179 179 179
Stator ID mm 133.96 133.96 133.96
Rotor OD mm 132.69 132.69 132.69
Rotor ID mm 104.0 104.0 104.0
Stator Length mm 67.5 80.0 105.0
Stack Length mm 50.0 75.0 100.0
Rotor Length mm 56.8 81.8 106.8
Rotor Inertia kg·m^2 5.65E-03 8.26E-03 1.09E-02
Total Mass kg 5.18 7.39 9.50
Number of Poles 44 44 44
Integrated Sensors Units 180-050-BNA 180-075-BNA 180-100-BNA
Temperature Sensor PT-1000 PT-1000 PT-1000

*Assumes a 125°C rise from an ambient temperature of 20°C with motor mounted to listed aluminum heatsink or equivalent.

**Specifications are rated assuming a 20°C ambient temperature. Increasing the ambient temperature derates the motor performance.

All electrical and performance specifications have +/- 10% tolerance. Specifications are preliminary and subject to change.

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