TDM 4.1-020-300-W0/S102 Bosch Rexroth Indramat
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MPN: R911235720
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The Bosch Rexroth Indramat TDM 4.1-020-300-W0/S102 is part of the TDM Servo Drive Modules series and has a continuous power rating of 6 kW with a peak current of 20 Amps. This servo drive features natural convection cooling, operates at a 300 VDC bus voltage, and weighs 8 Kilograms. It supports a maximum ambient temperature of 55 degrees Celsius and comes with IP10 protection class.
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Product Description:
The TDM 4.1-020-300-W0/S102 is a servo drive module manufactured by Bosch Rexroth Indramat within the TDM Servo Drive Modules series. It conditions DC link energy and generates controlled three-phase output for synchronous or asynchronous motors, allowing automated lines to position, accelerate, and hold loads with repeatable accuracy. The module combines the power stage, low-voltage logic, and diagnostic circuitry in one enclosure, which helps reduce panel wiring and supports modular expansion across multi-axis machine platforms. This arrangement also supports coordinated motion systems where several drive modules share a common cabinet layout and power source.
The drive connects to a common bus held at 300 VDC, which supplies the transistor bridge that feeds the motor windings. Under continuous duty, it can transfer up to 6 kW while sustaining a phase current of 15 A. Heat created during conversion is removed by natural convection, so no cooling fan is required. The control electronics draw 60 mA from -15 V, 150 mA from +15 V, and 400 mA from +24 V rails to power gate drivers and feedback interfaces. Steady thermal losses are limited to 110 W, and separate low-voltage supply rails support the internal control section without loading the motor output stage. For personnel safety, the casing meets the touch-safe requirement of IP10, and its windings use insulation category C to tolerate elevated internal temperatures.
Transient load steps are handled because the module can reach 20 A during short-term overloads, supplying torque above the continuous rating when the application demands brief acceleration peaks. It can operate without derating in ambient air up to 55 °C and at installation heights up to 1000 m, provided unobstructed vertical airflow surrounds the heat sink. Adequate clearance around the housing is important because the cooling path relies on free air movement rather than forced ventilation. Total mass is 8 kg, so standard DIN rail or back-plate fixtures can support the assembly without reinforcement.
Frequently Asked Questions about TDM 4.1-020-300-W0/S102:
Q: What is the continuous current output of the TDM 4.1-020-300-W0/S102?
A: The TDM 4.1-020-300-W0/S102 servo drive can supply a maximum continuous current of 15 A.
Q: What is the DC bus voltage required for the TDM 4.1-020-300-W0/S102 module?
A: This drive operates with a DC bus voltage of 300 VDC.
Q: How is the TDM 4.1-020-300-W0/S102 drive cooled during operation?
A: The TDM 4.1-020-300-W0/S102 is cooled by natural convection, so it does not require external cooling systems.
Q: What is the maximum mounting altitude allowed for the TDM 4.1-020-300-W0/S102?
A: The TDM 4.1-020-300-W0/S102 can be installed at altitudes up to 1000 meters above sea level.
Q: What protection class rating does the TDM 4.1-020-300-W0/S102 have?
A: The IP 10 protection class on this drive indicates basic protection against solid foreign objects.
