TVM 1.2-050-220/300-W1/115/220 Bosch Rexroth Indramat
MPN: R911221500
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The Bosch Rexroth Indramat TVM 1.2-050-220/300-W1/115/220 is a power supply module from the TVM Power Supply Modules series. It offers a nominal DC bus voltage of 300 V, continuous output current of 25 A, and continuous mechanical power of 4.1 kW. The module is cooled by a built-in blower and operates with an input voltage of 220 V AC and frequency range of 50 to 60 Hz.
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Product Description:
The TVM 1.2-050-220/300-W1/115/220 is a power supply module manufactured by Bosch Rexroth Indramat within the TVM Power Supply Modules series. It converts a 220 VAC mains line into a stabilized intermediate circuit that feeds multiple servo and spindle drives, and it also provides a 24 V control rail rated at 8 A. In factory automation racks, the module supplies the DC bus energy needed for coordinated axis motion while monitoring line conditions and releasing excess regenerative energy through an integrated bleeder network. This arrangement allows one supply section to support several connected axes from a common DC source.
The power section can source a continuous output current of 25 A to the drive group, and it maintains a nominal bus level of DC 300 V. Under steady-state loading, the converter is sized for 7.5 kW of DC bus power, yet it can tolerate short acceleration demands up to 60 kW without tripping. That reserve helps the system cover brief peaks that occur during acceleration or rapid load changes. Incoming line variations are accepted within a window of +15/-10 %, and the control electronics can operate from either 115 V AC or 220 V AC over an input frequency range of 50 to 60 Hz. A built-in air blower forces cooling air across the internal heat sinks so the module can sustain its rated output during normal operation.
Dynamic braking energy is absorbed by the bleeder stage, which is designed for a peak dissipation of 10 kW and a continuous rating of 0.30 kW. The bleeder network helps keep the intermediate circuit voltage within a usable range when connected motors return energy during deceleration. Overall power draw from the mains is limited to 550 VA, and internal losses amount to 130 W during nominal operation. The enclosure withstands ambient temperatures up to 55 °C and installation heights up to 1000 m because forced-air cooling removes heat from the power section. The module has a Type 50 A current class, and its 15 kg housing supports panel mounting alongside TVD or TDM drives.
Frequently Asked Questions about TVM 1.2-050-220/300-W1/115/220:
Q: What is the continuous output current of the TVM 1.2-050-220/300-W1/115/220 module?
A: This power supply module can deliver a continuous output current of 25 A during operation.
Q: What is the nominal DC bus voltage for the TVM 1.2-050-220/300-W1/115/220?
A: The nominal DC bus voltage for this module is DC 300 V.
Q: How is the TVM 1.2-050-220/300-W1/115/220 kept cool during operation?
A: A built-in blower is used for cooling the TVM 1.2-050-220/300-W1/115/220 module.
Q: What input voltages are supported by the control electronics of the TVM 1.2-050-220/300-W1/115/220?
A: It supports control electronics input voltages of either AC 115 V or AC 220 V.
Q: What is the maximum ambient temperature allowed for the TVM 1.2-050-220/300-W1/115/220 module?
A: The maximum ambient temperature for this module is specified at 55 °C.