TDM 4.3-030-300-W1 Bosch Rexroth Indramat
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MPN: R911250281
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The Bosch Rexroth Indramat TDM 4.3-030-300-W1 is part of the TDM Servo Drive Modules series and features a rated and peak current of 30 Amps with a continuous power output of 9 kW. This servo drive uses forced ventilation cooling, has a DC link voltage of 300 VDC ±15%, and weighs 8 kilograms.
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Product Description:
The TDM 4.3-030-300-W1 is a servo drive module produced by Bosch Rexroth Indramat within the TDM Servo Drive Modules series. Designed for industrial automation, the unit interfaces between a three-phase mains supply and permanent-magnet servo motors, converting line power into a regulated DC link and issuing controlled pulses to maintain commanded velocity or torque. In operation, it serves as the power and control stage for axes that require stable speed regulation and repeatable torque response in automated machinery. Its compact 70 mm width supports dense cabinet layouts and also suits retrofit installations where panel space is limited.
For continuous operation, the drive can deliver 25 A of output current, translating into 9 kW of mechanical power when paired with correctly scaled motors. Heat generated by the power electronics is removed through forced ventilation, so cabinet airflow should pass along the rear cooling channels. The internal DC link is held at 300 VDC ±15%, providing the energy reservoir for the IGBT bridge during normal operation. During rapid accelerations, the control electronics permit a momentary peak of 30 A without derating. Steady switching losses are limited to 175 W, which helps when estimating enclosure heat load. The module also uses two M5 bus terminals for external capacitors or supply sharing, while three M6 motor studs provide phase-current connections to the matched servo motor.
The module sustains full rating up to 55 °C, provided altitude does not exceed 1000 m above sea level. Installation requires a clearance of 80 mm below the heat sink so the blower intake remains unobstructed. Protection class IP10 indicates that the open front must be mounted inside a switchgear cabinet rather than exposed on its own. Because of that open-front design, the surrounding cabinet provides the necessary touch protection for the installed drive. A 15-pole signal connector simplifies control wiring, and the 8 kg mass supports rail mounting with rear retaining screws.
Frequently Asked Questions about TDM 4.3-030-300-W1:
Q: What is the continuous power rating of the TDM 4.3-030-300-W1 servo drive?
A: The TDM 4.3-030-300-W1 servo drive delivers a continuous output power of 9 kW.
Q: How is the TDM 4.3-030-300-W1 servo drive cooled?
A: This servo drive utilizes forced ventilation for cooling, requiring airflow to maintain proper operation.
Q: What is the rated current of the TDM 4.3-030-300-W1 drive?
A: The rated current for the TDM 4.3-030-300-W1 is 30 A.
Q: What DC link voltage does the TDM 4.3-030-300-W1 require?
A: The TDM 4.3-030-300-W1 operates with a DC link voltage of 300 VDC, plus or minus 15%.
Q: What is the maximum mounting altitude for the TDM 4.3-030-300-W1?
A: This drive can be mounted at altitudes up to 1000 meters above sea level.
