Product Specification – CACR-SR03AA2AH

1. General Information

• Manufacturer: Yaskawa Electric Corporation

• Part Number: CACR-SR03AA2AH

• Product Type: AC Servo Drive / SERVOPACK

• Series: Yaskawa CACR-SR Classic VS-800 Servo Series

• Rated Power: 0.3 kW (300W)

• Voltage Class: 200 VAC 3-phase

• Protection Class: IP20

• Mounting: Panel mount

• Product Status: Legacy discontinued model, widely used for CNC machine tools and industrial equipment maintenance replacement

2. Product Overview

3. Model Code Explanation

• CACR: AC Servo SERVOPACK

• SR: Speed & Position regulation type

• 03: Rated output power 0.3 kW

• A: Matched motor series specification

• A: Control board hardware version

• 2: Control signal interface version

• A: Encoder and internal circuit specification

• H: Standard industrial hardware version

4. Technical Specifications

4.1 Electrical Ratings

• Main Circuit Input: 3-phase 200–230 VAC, ±15%, 50/60 Hz

• Control Circuit Input: Single-phase 200–230 VAC

• Rated Output Power: 0.3 kW

• Rated Continuous Output Current: 1.5 A

• Peak Output Current: 4.5 A (short-time overload capacity)

• Control Method: IGBT PWM sine-wave modulation drive

4.2 Control Performance

• Control Modes: Speed control, Position control, Torque control

• Speed Adjustment Range: 1:3000

• Speed Regulation Accuracy

  • Load variation: ±0.01%

  • Temperature variation: ±0.5%

• Response Bandwidth: Up to 400 Hz

• Command Input

  • Speed / Torque: Analog ±10 VDC

  • Position: Differential pulse train input

4.3 Encoder Feedback

• Encoder Type: Incremental optical encoder

• Feedback Signal: A, B, Z differential signal

• Differential transmission design with strong anti-interference

• Compatible with Yaskawa standard 0.3 kW servo motor encoder

4.4 Protection & Diagnosis Functions

• Overcurrent protection

• Overvoltage / Undervoltage protection

• Electronic thermal overload protection

• Overtemperature protection

• Motor stall and locked rotor protection

• Encoder signal fault detection

• Emergency stop and external interlock alarm

• LED fault code indication for quick troubleshooting

4.5 Environmental Conditions

• Operating Temperature: 0 °C ~ +45 °C

• Storage Temperature: -20 °C ~ +65 °C

• Relative Humidity: 5% ~ 85% RH, non-condensing

• Vibration Resistance: 0.5 g (10 Hz ~ 60 Hz)

• Cooling Method: Natural convection air cooling

4.6 Interface Configuration

• CN1: Control I/O, analog command, servo enable, alarm input/output

• CN2: Motor encoder feedback dedicated connector

• Main Terminal Block: 3-phase power input and U/V/W motor power output

• Status LED: Power indication, running status and fault alarm display

5. Key Features

• High-precision digital servo control with stable low-speed running performance

• Fast dynamic response, suitable for high-speed start-stop and precise positioning

• Supports analog speed command and differential pulse position command input

• Standard general version without customized firmware, good interchangeability

• Multiple protection mechanisms to effectively protect drive and motor

• Compact IP20 panel mounting structure, easy cabinet installation and wiring

• Perfect matching with Yaskawa 0.3 kW servo motors and Yasnac CNC systems

• Industrial-grade hardware design for long-term uninterrupted operation

6. Typical Applications

• CNC lathes, milling machines and machining center servo axes

• Automated assembly lines and material handling equipment

• Packaging, printing and textile industrial machinery

• Precision automation and semiconductor manufacturing equipment

• Old production line renovation, servo spare parts replacement and daily maintenance

7. Compatibility & Replacement Notes

• Matched Servo Motor: Yaskawa standard 0.3 kW AC servo motor

• Compatible System: Yasnac CNC system and mainstream PLC motion control systems

• Replacement Note: Standard universal version, can replace equivalent non-customized CACR-SR 0.3kW series models directly

• Parameter Setting: Adjustable via front panel keys or dedicated digital servo operator