Product Description:

The TDM 1.2-030-300-W0 is a servo drive module produced by Bosch Rexroth Indramat within the TDM Servo Drive Modules series. It operates as the power and current regulator between a supply unit and an Indramat permanent-magnet motor, converting velocity or torque commands from the motion controller into the motor phase current needed by the axis. This supports closed-loop positioning and speed regulation in automated machine tools, printing lines, and material-handling axes. Because it regulates current directly, the drive helps the connected motor respond quickly to command changes while maintaining stable operation across repeated cycles.

This unit delivers a continuous output current of 25 A, which corresponds to a sustained mechanical power capability of 9 kW when paired with a matching motor. The current loop uses a setpoint gain of 0.050 V/A, allowing the controller's analog reference to scale into torque-producing current with fine adjustment. Internally, the power section is referenced to a DC link stabilized at 300 VDC. At rated load, the drive dissipates 160 W of heat, so the enclosure must allow that heat to escape. Continuous operation is possible down to 15 A, and the 9 kg module mass adds some thermal buffering during changing load conditions.

Heat removal relies on natural convection, so the module should be mounted to support upward airflow and unobstructed fin exposure. The drive can operate in ambient temperatures up to 55 °C before derating is required, and its peak current limit of 30 A supports short acceleration bursts. The housing has an IP10 rating, which helps protect against accidental contact with internal parts. Humidity Class F and Insulation Category C apply to storage and operation, so the installation area must stay within those limits for reliable use.