MITSUBISHI HC352S-A42 AC Servo Motor 146V 17A 2000rpm 3.5kW + A42 Encoder

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The Mitsubishi HC352S-A42 is a high-performance industrial AC servo motor designed for precision CNC axis applications and automated motion systems.

The motor provides a continuous output power of 3.5 kW at a base speed of 2000 rpm, with a 146 V winding voltage and a 17 A rated current.

It is equipped with an integrated A42 encoder, providing high-resolution position feedback for closed-loop servo control, accurate positioning, smooth low-speed operation and repeatable axis movements.

The HC352S-A42 is suitable for X, Y and Z feed axes, rotary positioning units, gantry systems, machining centers, lathes and other precision machine-tool applications.

For replacement applications, the complete HC352S-A42 part number must be verified, together with the motor voltage class, rated current, mounting configuration, shaft dimensions, encoder specification and compatibility with the Mitsubishi servo amplifier.

The motor is particularly suitable for maintenance, retrofit and emergency replacement applications on legacy Mitsubishi CNC systems, helping to minimize machine downtime and maintain reliable axis performance.

Frequently asked questions about HC352S-A42:

How can I confirm compatibility with my Mitsubishi servo amplifier?
Match the complete code HC352S-A42, verify the 146 V class and 17 A rating, and ensure your amplifier accepts the A42 encoder interface. Checking the amplifier manual and existing motor nameplate is the most reliable method.

Does the A42 encoder require specific feedback cables?
Use Mitsubishi servo feedback cables intended for the A42 interface to maintain proper signal integrity and connector keying. Reusing the existing cable set is typical when replacing the same code motor.

Is this a direct drop-in for any HC352S motor variant?
No, the suffix defines critical features such as encoder type. For drop-in replacement, the full code must match to keep electrical, feedback and mechanical specifications aligned.

What mounting details should be checked before ordering?
Confirm flange size, pilot diameter, shaft diameter and keyway against your existing unit’s drawing or nameplate. Verifying these points ensures a straightforward mechanical swap during maintenance.