TDM1.2-050-300-W1-00 Bosch Rexroth Indramat
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MPN: R911236233
The Bosch Rexroth Indramat TDM1.2-050-300-W1-00 is part of the TDM Servo Drive Modules series. This drive has a continuous power rating of 15 kW and operates at a DC bus voltage of 300 VDC. It offers a peak current of 50 Amps, uses forced ventilation for cooling, and weighs 10 kilograms.
Internal Product Review
The TDM1.2-050-300-W1-00 is a Bosch Rexroth Indramat servo drive module rated for 45 A continuous current and 15 kW continuous power. Forced ventilation and a 300 VDC bus support stable thermal behavior and dependable drive performance in motion-control cabinets. A 50 A peak current rating makes this module a strong choice for demanding servo applications.
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Product Description:
The TDM1.2-050-300-W1-00 is a drive module from the TDM Servo Drive Modules series manufactured by Bosch Rexroth Indramat. Designed for closed-loop control of synchronous and induction motors, the unit converts constant DC bus energy into variable three-phase output that regulates motor speed and torque in automated machinery, material handling lines, and packaging equipment. By integrating with controller hardware through standardized command and feedback channels, the module filters, amplifies, and times the power required for precise axis motion in multi-drive systems.
This module supplies a continuous motor phase current of 45 A, allowing sustained torque delivery throughout normal duty cycles, while its peak capability rises to 50 A for brief acceleration or load-shock events without saturation. The internal power bridge draws from a 300 VDC bus, and the control circuitry can support a total mechanical output of 15 kW when the machine demands full rated power. Thermal energy generated by semiconductor switching is removed through forced ventilation; airflow across the heat sink keeps junction temperatures below specified limits and prevents derating during high-duty service. These current and voltage margins allow rapid torque response, while the rated bus voltage also sets the maximum back-EMF the connected motor may return to the DC link.
Total switching and conduction losses amount to 250 W, so cabinet airflow must be planned to exhaust this heat in ambient conditions up to 55 °C. The housing meets IP10 protection, which means it is open to cabinet air while still helping guard against accidental contact with live parts. A mass of 10 kg permits vertical mounting without heavy support, and operation is permitted at altitudes up to 1000 m with a DC bus tolerance of ±15% to absorb mains variations. Humidity class F and insulation category C indicate moisture handling and dielectric spacing, while the control electronics draw 60 mA from the -15 V rail and 140 mA from the +15 V rail to power signal-processing stages.
