TVM1.2-50-300-W0-220 Bosch Rexroth Indramat
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MPN: R911221500
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The Bosch Rexroth Indramat TVM1.2-50-300-W0-220 is a power supply module from the TVM Power Supply Modules series. It features a nominal input voltage of 220 V AC, control supply voltage of 220/380 V AC, and a DC bus voltage of 300 V DC. The unit has a type current of 50 A, a power rating of 15 kW, and weighs 14.3 kg.
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Product Description:
The TVM1.2-50-300-W0-220 is a power supply module manufactured by Bosch Rexroth Indramat in the TVM Power Supply Modules series. It provides regulated DC link energy and controlled brake dissipation for servo drives, forming the central power component in multi-axis industrial automation racks. By maintaining a stable intermediate circuit voltage and safeguarding the common bus against overvoltage, the module supports coordinated motion control in packaging machines, transfer lines, and machining centers.
The module accepts incoming mains at a nominal 220 V AC with a tolerance of ±15%, while the control electronics can be energized from 220/380 V AC auxiliary lines. Internal rectification and smoothing generate an intermediate circuit voltage of 300 V DC, also held within a ±15% window, matching the requirements of Indramat DDS and TDM drives. The unit is designed for a continuous current of 50 A, and its silicon devices can supply up to 150 A for 300 ms to ride through rapid acceleration events. With a power rating of 15 kW, the module covers medium-sized machine groups, and insulation category C sets the clearance and creepage distances used on the power board for the stated voltages.
The dynamic braking circuit incorporates a resistor bank that can dissipate 300 W continuously and absorb bursts up to 10 kW, allowing surplus kinetic energy to be drawn from the DC bus. A maximum regenerated charge of 14 kWs can be accepted without tripping, after which the bleeder resumes normal cycling. Thermal limits are set at 55 °C ambient and 400 W of internal power loss, and operation above this temperature requires external cabinet cooling. The 24 V auxiliary output delivers 4 A for drive control relays and fans. Installation is approved up to 1000 m above sea level, and the IP10 housing weighs 14.3 kg, reflecting its open-frame design that encourages cabinet airflow while shielding live parts.
Frequently Asked Questions about TVM1.2-50-300-W0-220:
Q: What is the continuous bleeder power rating for the TVM1.2-50-300-W0-220 power supply module?
A: The TVM1.2-50-300-W0-220 offers a continuous bleeder power rating of 300 W, allowing safe and effective energy dissipation during standard operation.
Q: What control supply voltage does the TVM1.2-50-300-W0-220 require?
A: The control supply voltage for this unit is 220/380 V AC, providing compatibility with common industrial electrical systems.
Q: What is the peak current that the TVM1.2-50-300-W0-220 can handle and for how long?
A: The TVM1.2-50-300-W0-220 features a peak current capability of 150 A for up to 300 milliseconds, accommodating high inrush or transient loads.
Q: What is the maximum ambient temperature for operating the TVM1.2-50-300-W0-220?
A: The maximum recommended ambient temperature for safe operation of this power supply module is 55 °C.
Q: What is the protection class of the TVM1.2-50-300-W0-220?
A: This power supply module has a protection class of IP10, providing basic protection against solid objects larger than 50 mm but no protection against liquids.
