Product Description:

The TVM 2.1-050-220/300-W1/220/380V is a power supply module produced by Bosch Rexroth Indramat within the TVM Power Supply Modules series. Operating as a regulated DC bus source, it converts three-phase mains energy into an intermediate circuit that feeds multiple servo drives in an automation cabinet. Integrated bleeder and blower assemblies allow the unit to absorb regenerative energy from driven axes and stabilize the link voltage, making it a central element in coordinated motion systems that share a common supply.

The module draws its supply from an AC 220 V line that may vary within +15/-10% and accepts 50 to 60 Hz mains, while the control electronics are energized by AC 230 V or 400 V auxiliaries isolated from the power path. Internally, it rectifies and filters the input to a DC 300 V link; this rail is delivered at a nominal 25 A and can surge to 150 A for 300 ms to accommodate rapid acceleration of connected drives. A resistive bleeder rated at 10 kW dissipates excess energy returned during regenerative braking. Thermal loading produced by the conversion process is extracted by a built-in blower, and the cabinet opening factor behind the IP10 shroud ensures sufficient airflow without external ducting.

Under steady operating conditions, the bleeder draws 0.45 kW continuously, supporting energy absorption up to 14 kWs without escalating the DC link voltage. The power train has a 15 kW rating and a 50 A current rating, so the 580 W internal power loss remains within the blower's removal capacity while the auxiliary fan consumes only 30 W from a dedicated 220 VAC feed. Installation follows the Series 2 layout rules with configuration code 1 and complies with a voltage tolerance window of +10/-15%. Reliable service is maintained up to 55 °C, and the assembly's mass of 15 kg simplifies panel handling.