TDM3.3-030-300 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat TDM3.3-030-300 is part of the TDM Servo Drive Modules series and has a continuous output power of 9 kW with a DC link voltage of 300 VDC. This module supports a rated current of 30 Amps, uses forced ventilation for cooling, and weighs 8 kilograms. It features IP10 protection and can operate at ambient temperatures up to 55 °C with a maximum mounting altitude of 1000 meters.
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Product Description:
The TDM3.3-030-300 is a servo drive module produced by Bosch Rexroth Indramat as part of the TDM Servo Drive Modules series. Designed for industrial automation, the module converts incoming line energy into a regulated DC link and then into the variable AC output required by servo motors. Within a multi-axis system, it delivers the commanded current and voltage patterns so that each axis follows its programmed motion profile with repeatable accuracy. The drive also provides status feedback and interlock signals to the higher-level controller so that machine safety logic remains synchronized with axis behavior.
At the power stage, the unit can deliver a continuous output of 9 kW while sourcing a continuous current of 25 A. For short transients, the peak current limit rises to 30 A so accelerations are not current-starved. Energy is buffered on a DC link held at 300 VDC, which serves as the reference for the pulse-width-modulated inverter. Thermal dissipation created by switching devices amounts to 175 W, a heat load that should be removed by cabinet airflow. An acknowledge contact capable of carrying 24 V at 1 A reports drive readiness to the machine control, and an external 24 V interface supplies up to 50 mA for auxiliary sensors. The integrated starting-lockout circuit disables the power stage until 20 mA and 0.5 W thresholds are satisfied, preventing unintended energization during maintenance.
Cooling is provided by forced ventilation, and the manufacturer specifies reliable operation up to 55 °C ambient when airflow is unobstructed. Installation heights may reach 1000 m above sea level without derating, which aligns with typical factory elevations. The enclosure has a protection category of IP 10, indicating that the module must be mounted inside a closed cabinet to avoid particulate intrusion. Including its heat sink and fan assembly, the drive weighs 8 kg, allowing one-person handling during service.
Frequently Asked Questions about TDM3.3-030-300:
Q: What is the continuous power rating of the TDM3.3-030-300 servo drive?
A: The TDM3.3-030-300 servo drive delivers a continuous power output of 9 kW.
Q: What is the peak current capability of the TDM3.3-030-300?
A: This model supports a peak current of 30 A for demanding load conditions.
Q: What DC link voltage does the TDM3.3-030-300 require?
A: The TDM3.3-030-300 operates with a DC link voltage of 300 VDC.
Q: What is the maximum ambient temperature for the TDM3.3-030-300?
A: Operating temperatures can reach up to 55°C with this servo drive module.
Q: What type of cooling does the TDM3.3-030-300 servo drive utilize?
A: This unit uses forced ventilation as its cooling method to maintain temperatures during operation.
