TDM 1.4-030-300-W1-000 Bosch Rexroth Indramat
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MPN: R911252039
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The Bosch Rexroth Indramat TDM 1.4-030-300-W1-000 belongs to the TDM Servo Drive Modules series and weighs 10 kilograms. It provides a continuous current of 30 Amps with a continuous power output of 9 kW, and operates with a DC 300 Volt link circuit voltage. The module features a built-in fan with internal power supply for cooling and is rated with IP10 protection.
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Product Description:
The TDM 1.4-030-300-W1-000 is a drive module produced by Bosch Rexroth Indramat within the TDM Servo Drive Modules series. It is intended to regulate three-phase servo motors in automated machinery. In a servo system, it serves as the power stage between the DC supply and the motor, converting DC link energy into controlled armature voltage and current so the motor can respond to commanded torque and speed. A built-in fan ejects heat generated by the power electronics during operation.
The drive is supplied from a DC link held at 300 V, and under rated operating conditions it can deliver up to 9 kW of output power to a connected motor. Continuous operation is supported by a phase current of 30 A, which matches the module’s current rating so normal duty cycles do not require derating. Internal conduction and switching losses sum to 190 W; the integral fan forces airflow across the heat sink to keep semiconductor temperatures within insulation class C limits. Electrical protection is rated IP10, which indicates open-frame installation inside a closed control cabinet, and the 10 kg housing mounts on a standard backplane.
Two logic supply rails feed the control electronics: the negative bias draws only 60 mA at -15 V, while the positive rail requires 140 mA at +15 V. These low-current logic demands reduce loading on the external control power supply and support the module’s internal monitoring and command circuits. The maximum ambient temperature is 55 °C; above this point, the fan can no longer remove steady-state heat without exceeding component limits. Installation sites may be positioned up to 1000 m above sea level before derating for reduced air density becomes necessary. Cabinet ventilation is still required because cooling air must move freely through the module.
