Product Description:

The TVM 2.4-050-220/300-W1/200/380 power supply module is manufactured by Bosch Rexroth Indramat as a member of the TVM Power Supply Modules series. It converts an AC mains feed into a regulated DC bus for multiple drive controllers, supplies low-voltage electronics, and absorbs regenerative energy returned by braking servo motors. The unit is version 2 with configuration 4, which places it in a medium-power cabinet role and uses an integrated blower for cooling. It is suited for systems that operate several connected axes from a common power source.

The module accepts a supply of AC 220 V at 50–60 Hz, and the incoming voltage may vary by +15% and -10% without derating. Internally, a three-phase rectifier supports 7.5 kW of continuous DC bus power, while short-duration demand can rise to 60 kW. The rated DC bus current delivered to the drives is 25 A, and the design also includes a 50 A current margin for fault clearing or added axis demand. A separate 550 VA electronics section powers the control logic, and a 0.45 kW bleeder dissipates excess bus energy when regenerative peaks exceed the set threshold. The enclosure has an IP10 rating, and the output remains within a system voltage tolerance of ±15%.

For control electronics and sensors, the TVM 2.4 provides a 24 V auxiliary rail rated at 8 A with permitted ripple of 10%, plus separate ±15 V supplies that can deliver 1.3 A on the positive side and 1.0 A on the negative side. This auxiliary supply supports interface circuits and feedback devices that require stable low-voltage power. The nominal bus potential is DC 300 V, and the storage capacitors can absorb up to 14 kWs of regenerated energy before the internal bleeder circuit engages. During normal loading, the assembly loses 130 W as heat, and the airflow helps remove that thermal load from the cabinet. The steel chassis weighs 15 kg, which helps support the internal magnetics and capacitors while remaining practical for panel mounting.