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PANASONIC AC Servo Drive
Brand: PANASONIC -
Cat: Servo Drive
Code:MSD3A3P1EB
| Combination name | Availability | Price |
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AC Servo Drive – PANASONIC MSD3A3P1EB
The MSD3A3P1EB is an AC servo amplifier (“AC Servo Drive”) manufactured by Panasonic (formerly Matsushita Electric), belonging to the MINAS series. Designed for closed-loop control of AC permanent-magnet synchronous servo motors, it targets CNC and industrial automation applications. The part number identifies a single-phase variant with an rated current of ~3 A, suitable for motors in the 200–400 W power range. It is neither a PLC nor a standalone CNC controller, but a dedicated amplifier managing the servo motor regulation loops. The EB suffix denotes a variant intended for the European/international market.
The AC servo drive closes the current, speed, and position loops on the servo motor: it receives positioning references from the CNC and generates the current required for the motor to reach and hold the programmed position with maximum precision. A drive failure completely disables the controlled axis; the absence of feedback or motor power triggers an immediate alarm and machine stop, making any machining operation impossible until the unit is replaced or repaired.
Panasonic (formerly Matsushita Electric Works) is one of the world’s leading manufacturers of industrial motion control systems. The MINAS family of AC servo amplifiers and motors has been a mainstay of industrial automation for over thirty years, evolving from the MSD series through to the current MINAS A6/A6N. All MSD-series models are legacy / discontinued: available only as used stock, NOS, or through specialist repair services.
Main Technical Specifications
| Type | Single-phase AC servo amplifier (servo drive) |
| Part number | MSD3A3P1EB |
| Brand | Panasonic (formerly Matsushita Electric) |
| Known application | CNC systems and industrial automation with Panasonic MINAS servo motors |
| Function | Closed-loop position, speed, and torque control of AC servo motor |
| Input voltage | 200–240 V AC single-phase |
| Rated output current | ~3 A continuous |
| Motor power rating | ~200–400 W |
| Feedback | Incremental or absolute encoder (CN2 connector) |
| Interfaces / connectors | CN1 (command I/O), CN2 (encoder), CN3 (motor power) |
| Weight | ~0.8–1.5 kg |
| Dimensions (H×W×D) | ~150–180 × 55–70 × 120–150 mm |
| Production status | Legacy / discontinued — used/NOS/repair only |
