The Omron R88D-WT04H is a 0.4kW (400W) AC servo drive from the OMNUC W Series, designed for single-phase 200–230V AC input. It supports position, speed, and torque control modes with high-precision PWM operation, and is fully compatible with Omron R88M-W series servo motors. This compact, reliable drive is ideal for industrial automation applications requiring precise motion control. 

• Rated Output Power: 0.4 kW (400 W)

• Input Voltage: Single-phase 200–230 VAC, 50/60 Hz

• Output Ratings: 3-phase 0–230 VAC, 2.8 A continuous / 8.5 A peak current

• PWM Control Frequency: 11.7 kHz

• Supported Control Modes: Position, Speed, Torque

• Command Interfaces: Pulse train input (position), analog voltage input (speed/torque)

• No fieldbus communication (EtherCAT/Modbus not supported)

• Mounting Style: Chassis mount

• Operating Temperature: 0 to 55 °C (derating above 40 °C)

• Storage Temperature: -20 to 65 °C

• Protection Rating: IP1X (front panel)

• Compatible Motors: Omron R88M-W series 400 W servo motors

• Certifications: CE marked, UL listed 

• Product Status: Discontinued  (production ended March 2013)

• Recommended Replacement: Omron R88D-KT04H (Accurax G5 series)