TDM 1.2-30-300-W1/220 Bosch Rexroth Indramat
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MPN: R911219717
The Bosch Rexroth Indramat TDM 1.2-30-300-W1/220 is part of the TDM Servo Drive Modules series and weighs 10 kilograms. It offers a continuous power output of 9 kW and a continuous current of 30 amps, with a link circuit voltage of 300 VDC. The drive uses forced ventilation for cooling and has a maximum ambient temperature rating of 55 °C.
Internal Product Review
The TDM 1.2-30-300-W1/220 is a Bosch Rexroth Indramat servo drive module with 30 A continuous current and 9 kW continuous power. Forced ventilation and a 55 °C maximum ambient temperature support stable thermal performance in demanding cabinet installations. A strong choice for motion systems requiring dependable servo drive performance.
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Product Description:
The TDM 1.2-30-300-W1/220 is a servo drive module produced by Bosch Rexroth Indramat within the TDM Servo Drive Modules series. In an automation cell, this unit forms the power stage between the system’s CNC or PLC controller and the synchronous motor, converting direct-current energy from the shared link circuit into precisely regulated three-phase output for position and speed loops. That control path allows the motor to respond accurately to commanded motion changes during synchronized machine operation.
The drive can deliver a continuous armature current of 30 A, allowing it to sustain a mechanical output of 9 kW without thermal derating. Internally, the link circuit is held at 300 VDC, so the associated power supply must provide that level with minimal ripple. Heat generated by semiconductor switching and the specified 190 W of power loss is removed through forced ventilation. The housing is open-slotted and has an IP10 protection rating, so it must be mounted inside an enclosed control cabinet. Insulation materials correspond to category C, matching the elevated winding temperatures that can occur during dynamic duty cycles. Command electronics draw 60 mA from a -15 V rail and 140 mA from a +15 V rail, figures that the upstream controller must support through its auxiliary supply.
A dedicated cooling fan consumes 30 VA and is powered from a separate AC 220 V line, ensuring constant airflow across the heat sink. This airflow allows the module to operate at ambient temperatures up to 55 °C and at mounting heights reaching 1000 m without additional derating. The peak current equals the continuous rating during short acceleration bursts. With a mass of 10 kg, the unit can be installed on vertical DIN rails without extra bracing, and its total power-stage dissipation remains within enclosure cooling limits when multiple axes share the same cabinet.
