TVM 1.2-050-W1-220V Bosch Rexroth Indramat
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The Bosch Rexroth Indramat TVM 1.2-050-W1-220V is part of the TVM Power Supply Modules series and delivers a continuous output current of 25 Amps with a peak current of 150 Amps. This power supply operates on 220 VAC input voltage, features a built-in blower for cooling, and has a nominal DC bus voltage of 300 VDC. It comes with an IP10 protection rating and supports a maximum ambient temperature of 55 degrees Celsius.
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Product Description:
The TVM 1.2-050-W1-220V is a power supply module manufactured by Bosch Rexroth Indramat within the TVM Power Supply Modules series. Its task is to generate a stabilized DC link and low-voltage control rails for servo drives, enabling coordinated motion sequences in automated machinery. By combining rectification, energy storage, and active discharge functions in one housing, the unit replaces separate transformers and braking resistors and simplifies cabinet wiring for multi-axis assemblies. It is intended for drive systems that use a shared DC bus and require stable auxiliary voltages for connected control sections.
The module connects to a three-phase mains source rated at 220 VAC and converts it into a bus potential of 300 VDC. During continuous operation, it delivers 25 A to the DC link, and its type current is 50 A for short-term surges. Overall drive power supplied from the line reaches 15 kW, while built-in low-voltage outputs provide 24 V/4 A and ±15 V/0.85 A for encoder and control electronics. Thermal management is handled by a built-in blower whose motor draws 30 W, and the directed airflow moves across the heat sinks to keep semiconductor junctions within acceptable limits. The module also includes regenerative energy absorption to limit overvoltage during rapid axis deceleration.
For dynamic braking events, the supply can support a peak of 150 A, and the energy reservoir absorbs up to 14 kWs before the bleeder engages. Continuous service is permitted in switchgear rooms up to 55 °C and at mounting heights not exceeding 1000 m. The enclosure conforms to IP10, which provides finger protection while allowing the blower to move air through the unit. This open enclosure arrangement requires installation inside a suitable cabinet. The unit uses configuration code 2 and series level 1.
Frequently Asked Questions about TVM 1.2-050-W1-220V:
Q: What is the nominal DC bus voltage for the TVM 1.2-050-W1-220V power supply?
A: The TVM 1.2-050-W1-220V operates with a nominal DC bus voltage of 300 VDC.
Q: How is the TVM 1.2-050-W1-220V power supply cooled?
A: This module uses a built-in blower for cooling to maintain proper operation.
Q: What input voltage does the TVM 1.2-050-W1-220V require?
A: The TVM 1.2-050-W1-220V accepts an input voltage of 220 VAC.
Q: What is the continuous output current of the TVM 1.2-050-W1-220V?
A: The maximum continuous output current is 25 A for this power supply module.
Q: What is the maximum ambient temperature supported by the TVM 1.2-050-W1-220V?
A: This model can handle a maximum ambient temperature of 55 °C during operation.
