VM100/R-T Bosch Rexroth Indramat
Wake Industrial LLC is not an authorized distributor of this product.
The Bosch Rexroth Indramat VM100/R-T is part of the VM Amplifier Drives series and uses a forced axial ventilation cooling method with an air flow rate of 80 cubic meters per hour. It operates with a DC link voltage of 520 V DC and a DC link current of 100 A. This drive is designed for vertical mounting with three mounting points and uses a 24 V DC auxiliary supply.
Internal Product Review
The VM100/R-T is a Bosch Rexroth Indramat amplifier drive with forced axial ventilation and an 80 m3/h air flow rate. Three-phase 380 V AC input supports clean integration into industrial power systems. A 520 V DC link and 100 A current capacity make the VM100/R-T a strong choice for demanding drive applications.
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Product Description:
Bosch Rexroth Indramat manufactures the VM100/R-T as part of the VM Amplifier Drives series. This amplifier section conditions three-phase power for DC bus operation and returns regenerated energy to the mains, allowing it to support servo axes in industrial automation cabinets. By combining line rectification, controlled energy feedback, and an integrated cooling module, the unit supplies regulated DC power to downstream inverters while occupying a narrow vertical bay. This arrangement supports shared DC bus systems where several connected axes draw power from the same supply section.
The power stage accepts a line supply of 380 V AC through a 3/PE connection at 50 Hz, converting it into a DC link that reaches 520 V DC. Under nominal loading, the link can carry up to 100 A, giving enough capacity for multiple servo drives connected in parallel. Excess kinetic energy is routed through the feedback circuitry so it flows back into the mains instead of being dissipated as heat. Forced axial ventilation channels air across the heat sinks, and an auxiliary blower supports stable semiconductor temperatures during operation. The housing is secured by three mounting points with M6 screws, and the vertical orientation keeps the internal airflow path aligned with the heat-generating modules.
The cooling system moves 80 m3/h through the chassis, and the fans are powered from a separate 24 V DC auxiliary supply. The cabinet ambient temperature must not exceed 55 °C, because higher temperatures can cause derating. A vertical clearance of 100 mm above and below the housing is required so the intake and exhaust vents remain unobstructed. This airflow path helps warm air leave the enclosure without recirculating through the heat sink section.
