TVM 1.2-050-200/300-W1 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat TVM 1.2-050-200/300-W1 is a power supply module from the TVM Power Supply Modules series. It supports a continuous output current of 25 Amps with a nominal DC bus voltage of 300 V and uses a built-in blower for cooling. This module has an input voltage of AC 200 V, input frequency of 50 to 60 Hz, and a protection rating of IP10.
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Product Description:
The TVM 1.2-050-200/300-W1 is a regulated power supply module manufactured by Bosch Rexroth Indramat for the TVM Power Supply Modules series. In an automation cabinet, it rectifies and stores energy from a three-phase mains line and then feeds a stabilized DC bus to connected servo drives, while an internal bleeder circuit dissipates regenerated energy from decelerating axes. The unit belongs to series 1 and configuration 2 within the product group, so it matches the mechanical and electrical interface used in modular drive systems for machine tools, packaging lines, and material-handling axes.
Its mains side is designed for an input line of AC 200 V, so matching transformers are unnecessary where that supply is standard. The module accepts network frequencies between 50 to 60 Hz, allowing operation on either of the common industrial supply frequencies. Safe operation is maintained even when the line fluctuates within a tolerance of ± 15%, which helps the DC bus remain stable during normal plant variation. Internally, the rectifier and filter produce a nominal bus level of DC 300 V for the attached axis controllers. Under continuous duty, the unit can deliver a sustained output current of 25 A, supporting several low-to-medium power drives on a shared bus.
For short surges, the current can reach 50 A, which supports acceleration phases or simultaneous axis braking without immediate shutdown. Excess kinetic energy is converted to heat by the bleeder resistor, and the assembly can absorb a continuous 0.30 kW of dissipated power to limit overvoltage on the DC link during cyclic deceleration. Commanded enable or inhibit changes are limited to 6/min, a switching rate that helps reduce stress on the power semiconductors and contact elements. Thermal control relies on a built-in blower, and the housing carries an IP10 rating, which is suitable for installation inside a closed electrical cabinet with forced airflow.
Frequently Asked Questions about TVM 1.2-050-200/300-W1:
Q: What is the input voltage requirement for the TVM 1.2-050-200/300-W1 power supply module?
A: The TVM 1.2-050-200/300-W1 operates with an input voltage of AC 200 V.
Q: What cooling method does the TVM 1.2-050-200/300-W1 use?
A: This module features a built-in blower for cooling during operation.
Q: What is the continuous output current of the TVM 1.2-050-200/300-W1?
A: The continuous output current for this power supply module is 25 A.
Q: What is the protection rating of the TVM 1.2-050-200/300-W1?
A: The protection rating of this unit is IP10, offering basic protection against solid objects.
Q: What is the nominal DC bus voltage for the TVM 1.2-050-200/300-W1 power supply module?
A: The nominal DC bus voltage provided by this module is DC 300 V.
