• Rated voltage 220 VAC, rated power 100 W
• Frame 40 mm, rated torque 0.32 N·m
• Rated speed 3000 r/min
• 17-bit magnetic encoder
• With brake
• High rotational speed, high performance, low noise
The 100W 220V Servo Motor inside the 40JASM501230K-17BCG-P brings closed loop precision to a compact 40 mm frame. Rated at 100 W continuous output from 220 VAC, it develops 0.32 N·m at 3000 r/min and combines a 17-bit magnetic encoder with an integrated holding brake. Lyenwsin offers this servo motor to equipment builders who need dependable micro-positioning in a very small envelope.
The 40 mm frame keeps rotor inertia extremely low, which is decisive in precision equipment where a move must end cleanly without hunting. Its 0.32 N·m of continuous torque pairs with the 17-bit magnetic encoder to give smooth, repeatable micro-positioning of light stages and fixtures.
Despite its small physical size, the motor retains 220 VAC operation, so it drops directly into standard high-voltage servo systems. This avoids the extra transformer or DC converter that a low-voltage compact servo would require, keeping the machine design simpler.
The 17-bit magnetic encoder provides fine positional resolution in a package that resists contamination, an important trait in clean and semi-clean environments. The holding brake holds the output stationary when the enable is removed, which is useful on inspection and optical stages that must keep a set position between moves.
This motor is a natural fit for robotics, semiconductor equipment, medical equipment, laboratory instruments, and optical and inspection machinery where compact, low-inertia, high-resolution drives are needed. It is also suitable for pump systems that require quiet, precise speed regulation in a small footprint.
Because the frame is only 40 mm, mechanical integration is straightforward on benches and panels. Confirm the reflected inertia of the stage or tool stays within a sensible ratio of the rotor inertia so the drive can tune a stable loop. Lyenwsin’s technical support can provide torque-speed curves and help match this 100 W servo to a suitable drive and brake configuration for your application.
| Model | 40JASM501230K-17BCG-P |
| Frame Size（mm） | 40 |
| Length L（mm） | 76.6 |
| Brake Length L（mm） | 104.6 |
| Supply Voltage(V) | 220 |
| Rated power(W) | 100 |
| Rated Current（A） | 0.96 |
| Rated torque(N·m) | 0.32 |
| Peak torque(N·m) | 1.11 |
| Rotor inertia（g·cm²） | 0.073 |
| Rated Speed(r/min) | 3000 |
| Peak speed(r/min) | 6000 |
| Weight（kg） | 0.5 |
| Encoder Resolution | 17bit |
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