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Product
180 Series AC Servo Motor (2500 lines/17 bits)
Product Overview
The Lichuan 180 series AC servo motors include power specifications of 2.7KW, 2.9KW, 3KW, 3.7KW, 4.3KW, 4.5KW, 5.5KW, and 7.5KW. The motors use a 2500-line encoder, feature an advanced magnetic circuit design, and high-temperature resistant permanent magnet materials. The servo motors operate smoothly with very low noise, making them suitable for high-precision control applications in various industrial automation equipment.
Features
Servo Motor Naming Specifications

180 Series Servo Motor Parameter Table
Motor Model | LCMT-27M口口-180M17215 | LCMT-30M口口-180M19015 | LCMT-45M口口-180M21520 | LCMT-29M口口-180M27010 | ||||
Rated Power (KW) | 2.7 | 3.0 | 4.5 | 2.9 | ||||
Rated Line Voltage (V) | 220 | 380 | 220 | 380 | 220 | 380 | 220 | 380 |
Rated Line Current (A) | 10.5 | 6.5 | 12 | 7.5 | 16 | 9.5 | 12 | 7.5 |
Rated Speed (rpm) | 1500 | 1500 | 2000 | 1000 | ||||
Rated Torque (N.m) | 17.2 | 19 | 21.5 | 27 | ||||
Peak Torque (N.m) | 43 | 47 | 53 | 67 | ||||
Back EMF (V/1000r/min) | 112 | 167 | 94 | 158 | 84 | 140 | 138 | 224 |
Torque Constant (N.m/A) | 1.64 | 2.65 | 1.58 | 2.5 | 1.34 | 2.26 | 2.25 | 3.6 |
Rotor Inertia (kg.㎡) | 3.4x10 -3 | 3.8x10 -3 | 4.7x10 -3 | 6.1x10 -3 | ||||
Winding (Between Lines) Resistance (Ω) | 0.7 | 1.47 | 0.4 | 1.15 | 0.24 | 0.71 | 0.48 | 1.37 |
Winding (Between Lines) Inductance (mH) | 3.5 | 7.8 | 2.42 | 6.4 | 1.45 | 4.0 | 3.26 | 8.6 |
Electrical Constant (Ms) | 5.0 | 5.3 | 6.0 | 5.57 | 6.0 | 5.6 | 6.79 | 6.27 |
| Weight (kg) | 19.5 | 20.5 | 22.2 | 25.5 | ||||
Motor Model | LCMT-43M口口-180M27015 | LCMT-37M口口-180M35010 | LCMT-55M口口-180M35015 | LCMT-75M口口-180M48015 | ||||
Rated Power (KW) | 4.3 | 3.7 | 5.5 | 7.5 | ||||
Rated Line Voltage (V) | 220 | 380 | 220 | 380 | 220 | 380 | 220 | 380 |
Rated Line Current (A) | 16 | 10 | 16 | 10 | 19 | 12 | 32 | 20 |
Rated Speed (rpm) | 1500 | 1000 | 1500 | 1500 | ||||
Rated Torque (N.m) | 27 | 35 | 35 | 48 | ||||
Peak Torque (N.m) | 67 | 70 | 70 | 96 | ||||
Back EMF (V/1000r/min) | 103 | 172 | 134 | 223 | 113 | 181 | 94 | 156 |
Torque Constant (N.m/A) | 1.69 | 2.7 | 2.2 | 3.5 | 1.84 | 2.9 | 1.5 | 2.4 |
Rotor Inertia (kg.㎡) | 6.1x10 -3 | 8.6x10 -3 | 8.6x10 -3 | 9.5x10 -3 | ||||
Winding (Between Lines) Resistance (Ω) | 0.28 | 0.796 | 0.31 | 0.93 | 0.21 | 0.62 | 0.104 | 0.273 |
Winding (Between Lines) Inductance (mH) | 1.74 | 4.83 | 3.28 | 9.1 | 1.57 | 4.0 | 0.77 | 2.14 |
Electrical Constant (Ms) | 6.2 | 6.0 | 10.58 | 9.78 | 7.47 | 6.45 | 7.4 | 7.8 |
| Weight (kg) | 25.5 | 30.5 | 30.5 | 40 | ||||
Encoder Line Count (PPR) | 2500 / 17-bit Incremental / 17-bit Absolute Encoder | |||||||||||||||
Motor Insulation Class | Class B (130℃) | |||||||||||||||
Protection Level | IP66 | |||||||||||||||
Operating Environment | Ambient Temperature: -20℃~+50℃ Ambient Humidity: Relative Humidity <90% (Non-frost conditions) | |||||||||||||||
Motor Winding Socket | Winding Leads | U | V | W | PE | |||||||||||
Socket Number | 2 | 3 | 4 | 1 | ||||||||||||
Encoder Socket | Signal Leads | 5V | 0V | A+ | B+ | Z+ | A- | B- | Z- | U+ | V+ | W+ | U- | V- | W- | PE |
Socket Code | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 1 | |
Outline and Installation Dimensions (Unit: mm)

Specification (Torque) | 17.2N.m | 19N.m | 21.5N.m | 27N.m | 35N.m | 48N.m |
LA (Body Length) | 226 | 232 | 243 | 262 | 292 | 346 |
Body Length with Brake | 298 | 304 | 315 | 334 | 364 | 4 |
Installation Notes
1. When installing/removing parts to the motor shaft end, do not strike the shaft forcefully to avoid damaging the encoder at the other end of the shaft. 2. Try to prevent vibration of the shaft seat to avoid bearing damage.
Main Application Areas
Suitable for various motion control automation equipment and instruments, such as: robotic arms, cutting machines, oil spraying machines, ultrasonic equipment, feeding equipment, printing equipment, medical equipment, packaging equipment, lithium battery equipment, CNC lathes, spraying equipment, non-standard equipment, etc.
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Shenzhen Lichuan Electric Co., Ltd.
Technical Support
Engineer Peng:+86-135-3098-8140
Engineer Xie:86-159-0755-7836
Engineer Rao:86-180-2520-1553
Engineer Zuo:86-180-2901-2526
WeChat Public Account
Douyin ID
Official Website Mobile Version
English website: https://www.lichuanservomotor.com/
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