1 5
Laifual

Laifual L80I Motor

$1,080.00
Version
Reduction Ratio
Encoder Type

Delivery and Shipping
  • We automatically select the most cost-effective carrier from China for each destination country
  • Shipping rates are dynamically calculated based on real-time quotes
  • Final rates may vary due to promotional offers or carrier adjustments

Product Information


Application Scenarios

Humanoid Robots
Robotic Arms
Exoskeletons
Quadruped Robots
AGV Vehicles
ARU Robots

Technical Specifications

Parameter Value
Model L80I-C / L80I-E
Frameless Motor ML-80-A
Harmonic Reducer Speed Ratio 51 / 81 / 101 / 121
Starting Peak Torque 44 N·m (51) / 56 N·m (81) / 70 N·m (101) / 70 N·m (121)
Rated Torque (Max Avg. Load) 34 N·m (51) / 35 N·m (81) / 51 N·m (101) / 51 N·m (121)
Max Instantaneous Reducer Torque 91 N·m (51) / 113 N·m (81) / 143 N·m (101) / 112 N·m (121)
Motor Rated Torque (debug) 0.95 N·m (51) / 0.62 N·m (81) / 0.72 N·m (101) / 0.60 N·m (121)
Motor Max Torque (debug) 1.23 N·m (51) / 0.99 N·m (81) / 0.99 N·m (101) / 0.83 N·m (121)
Motor Inertia (debug) 22.65 kg·m² (all ratios)
Maximum Speed 98.0 rpm (51) / 61.7 rpm (81) / 49.5 rpm (101) / 41.3 rpm (121)
Rated Speed 58.8 rpm (51) / 37.0 rpm (81) / 29.7 rpm (101) / 24.8 rpm (121)
Maximum Current 13.48 Arms (51) / 10.80 Arms (81) / 10.83 Arms (101) / 9.04 Arms (121)
Rated Current 10.42 Arms (51) / 6.75 Arms (81) / 7.89 Arms (101) / 6.59 Arms (121)
Motor Torque Constant 0.09 Nm/Arms
Motor Phase Resistance 0.140 Ω
Motor Phase Inductance 0.3 mH
Motor Line Back EMF 6.67 Vrms/krpm
Number of Motor Pole Pairs 8
Supply Voltage DC 48V
Heat Resistance Class F (155°C)
Insulation Resistance 500 MΩ (DC 500V)
Dielectric Withstand Voltage AC 1500V (1 min), <5mA
Parameter Value
Module Products L80I-C / L80I-E
Encoder Model EL-80C-A (CANopen) / EL-80E-A (EtherCat)
Supply Voltage 48V ±10%
Output Drive Type 3-Phase MOSFET
Output Rated Phase Current 10.56 A
Max Instantaneous Phase Current 17.7 A
Driver Protection Phase Current Overcurrent, Load Short Circuit
Communication Type CANopen (L80I-C) / EtherCat (L80I-E)
Baud Rate ≤1 Mbps (CAN) / ≤100 Mbps (EtherCat)
Operating Temperature 0 ~ 60°C
Relative Humidity 20% ~ 80%
Battery Supply Voltage (Typical) 3.6V
Battery Supply Current (Typical) 26 µA
PCB Outer Diameter 66 mm
PCB Inner Diameter 19 mm
Parameter Value
Model ML-80-A
Number of Poles 16
Peak Current 21 Arms
Phase Resistance (@20°C) 0.14 Ω
Back EMF Constant 6.67 Vrms/krpm
Phase Inductance (@1kHz) 0.3 mH
Torque Constant 0.09 N·m/A
Rated Voltage 48 VDC
Insulation Grade F 155°C
No‑load Speed 5000 rpm
Dielectric Strength 1500 VAC
No‑load Current 0.35 Arms
Insulation Resistance 500 MΩ
Rated Torque 0.64 N·m
Rotor Moment of Inertia 22.65 kg·mm²
Rated Speed 3000 rpm
Usage Environment -20 ~ 60°C
Rated Current 7 Arms
Storage Environment -30 ~ 85°C
Peak Torque 1.92 N·m
Humidity ≤95% (no condensation)
Weight 0.29 kg