TDM 1.2-50-300-W1 Bosch Rexroth Indramat
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MPN: R911236233
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The Bosch Rexroth Indramat TDM 1.2-50-300-W1 is part of the TDM Servo Drive Modules series. This servo drive features a continuous current of 45 Amps and a continuous power rating of 15 kW, with forced ventilation cooling. It operates with a DC link voltage of 300 V DC, offers peak current up to 50 Amps, and has a protection class of IP10.
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Product Description:
The TDM 1.2-50-300-W1 is a servo drive module produced by Bosch Rexroth Indramat for the TDM Servo Drive Modules series. It converts regulated DC power from a common bus into controlled three-phase output for synchronous or induction motors in automated machining centers, packaging lines, and material-handling axes. By integrating current control, monitoring, and forced-air cooling in one enclosure, the unit simplifies cabinet layout and supplies motion systems with the voltage and current required for closed-loop operation. It is suited to applications that require repeatable motor control from a shared DC bus architecture.
The drive can deliver a continuous output of 45 A, corresponding to a thermal rating of 15 kW at the motor terminals. Its internal intermediate circuit is fixed at 300 V DC, so connected motors and upstream power components must be matched to that DC link level. Forced ventilation is provided by a built-in blower that draws only 30 VA, reducing the additional heat load placed on the cabinet supply. During normal duty, the electronics and power semiconductors generate about 250 W of loss, so sufficient airflow and spacing are needed around the module. Class F insulation materials support thermal durability in the winding system, and the control electronics require +15 V and -15 V supplies of 140 mA and 60 mA respectively. Because cooling air is forced through the housing, nearby equipment should not block the intake or exhaust path.
For short acceleration bursts, the current can rise to 50 A, giving the motor additional torque during brief overload conditions. Reliable service is maintained up to 55 °C ambient temperature and at installation heights of 1000 m before derating becomes necessary. The enclosure has an IP10 protection class, which means the housing is intended for protected cabinet installation while still allowing cooling air to pass through the openings. Total mass is 10 kg, so the drive can be mounted on DIN rails or sub-plates without unusually heavy support hardware. The relatively low weight also helps when the module is installed in compact drive cabinets with multiple stacked axes.
Frequently Asked Questions about TDM 1.2-50-300-W1:
Q: What is the continuous power output capability of the TDM 1.2-50-300-W1 servo drive module?
A: The TDM 1.2-50-300-W1 servo drive module supports a continuous power output of 15 kW for demanding applications.
Q: What is the required DC link voltage for the TDM 1.2-50-300-W1?
A: This model is designed for operation at a DC link voltage of 300 V DC.
Q: How is the TDM 1.2-50-300-W1 servo drive module cooled?
A: The TDM 1.2-50-300-W1 uses forced ventilation as its cooling method.
Q: What is the peak current rating for the TDM 1.2-50-300-W1?
A: The maximum peak current supported by the TDM 1.2-50-300-W1 is 50 A.
Q: What is the maximum recommended mounting altitude for the TDM 1.2-50-300-W1?
A: This drive module is intended for use at mounting altitudes up to 1000 m.
