TDM 3.1-020-300-W0 Bosch Rexroth Indramat
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MPN: R911233712
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The Bosch Rexroth Indramat TDM 3.1-020-300-W0 is part of the TDM Servo Drive Modules series and features a natural convection cooling system. It has a link circuit voltage of 300 V DC and a type current of 20 Amps. The module measures 128 mm in width, 390 mm in height, and 355 mm in overall depth.
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Product Description:
The TDM 3.1-020-300-W0 is a servo drive module produced by Bosch Rexroth Indramat within the TDM Servo Drive Modules series. Designed for cabinet installation, it supplies controlled DC link energy to synchronous and asynchronous servo motors so automated equipment can implement precise speed, torque, and position regulation. By interfacing with higher-level Indramat controllers, the module handles the power conversion, switching, and current-shaping tasks required to start, brake, and hold industrial axes in packaging lines, transfer systems, and machining centers where dependable motion control is essential.
Cooling is handled by passive airflow through Natural Convection, so no auxiliary fans are mounted on the housing. The internal link circuit operates at 300 V DC, providing the intermediate energy level that the output transistors modulate toward the connected motor phases. A type current of 20 A is the continuous line current the power stage can deliver without triggering thermal limits. The DC bus connections accept M5 hardware, and tightening these bolts to 3 Nm secures the low-inductance path between the module and the shared capacitor bank. Motor terminals use M6 studs that must be torqued to 5 Nm to prevent hot spots while still allowing field disconnection when needed. The separate fan connector is supplied with a reduced control voltage, which avoids external wiring changes for cabinet blowers.
During cabinet layout, the housing needs 80 mm of free air space above and below to sustain convection. A module width of 128 mm allows several units to mount on one rail, while the 355 mm depth and 390 mm height keep the enclosure footprint within standard 400 mm frames. All service points face forward so screw torque can be checked or conductors can be replaced without removing the drive from its mounting plate.
Frequently Asked Questions about TDM 3.1-020-300-W0:
Q: What is the link circuit voltage for the TDM 3.1-020-300-W0 servo drive module?
A: The TDM 3.1-020-300-W0 operates with a link circuit voltage of 300 V DC.
Q: What is the type current capability of the TDM 3.1-020-300-W0?
A: This module supports a type current of 20 A for consistent performance.
Q: How is the TDM 3.1-020-300-W0 servo drive module cooled?
A: Cooling is achieved by natural convection, with no external fans required.
Q: What is the required minimum vent clearance for the TDM 3.1-020-300-W0?
A: A minimum vent clearance of 80 mm is recommended for proper installation.
Q: What is the required torque for the M6 terminal on this module?
A: The M6 terminal on the TDM 3.1-020-300-W0 should be tightened to a torque of 5 Nm.
