HMS01.1N-W0020-A-07-NNNN Bosch Rexroth Indramat
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MPN: R911295323
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The Bosch Rexroth Indramat HMS01.1N-W0020-A-07-NNNN is part of the HMS Axis Inverters series and features internal air cooling with an integrated blower. This inverter has a rated maximum current of 20 Amps, a nominal DC bus voltage of 700 Volts DC, and carries an IP20 protection class.
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Product Description:
The HMS01.1N-W0020-A-07-NNNN is an axis inverter module from Bosch Rexroth Indramat in the HMS Axis Inverters series. Designed for multi-axis automation, the unit gates DC bus energy into motor phases so servo drives can execute coordinated positioning and speed tasks across packaging, handling, and machining stations. By placing closed-loop current control and fault monitoring directly inside the cabinet, the device simplifies wiring while ensuring that each connected motor receives fast, precise torque commands. It is intended for cabinet-mounted drive groupings where several inverter axes operate from the same DC bus and coordinate motion through a central control platform.
In normal service, the module draws air through its heat sink via internal air cooling with an integrated blower, so thermal losses are removed without external ducts. Its power path is rated for 20 A of continuous output current, giving headroom for midsize synchronous or induction motors used on secondary machine axes. This current level is appropriate for transfer axes, feeders, and similar machine motions that require steady control without the capacity of a larger power section. The shared DC link operates at DC 700 V, allowing regenerative energy from decelerating axes to be redistributed instead of dissipated as heat. The unit is design version 1 and line version 1, and these codes indicate compatibility within Rexroth multi-drive racks.
For electrical safety, the housing carries an IP20 protection class, so live parts are guarded while the surrounding drive cabinet provides the external enclosure. Control electronics rely on the upstream supply because the module has no internal power supply, which suits systems that distribute auxiliary voltage from a central source rather than from each axis module. This layout keeps the inverter focused on motor control and power conversion within the shared drive system. In Rexroth system topologies, the unit registers itself as product type HMS, which helps identify it within multi-drive assemblies.
Frequently Asked Questions about HMS01.1N-W0020-A-07-NNNN:
Q: What is the rated maximum current output for the HMS01.1N-W0020-A-07-NNNN inverter?
A: This unit provides a rated maximum current of 20 A during operation.
Q: What is the nominal DC bus voltage of the HMS01.1N-W0020-A-07-NNNN axis inverter?
A: The HMS01.1N-W0020-A-07-NNNN supports a nominal DC bus voltage of 700 V.
Q: What cooling system is used in the HMS01.1N-W0020-A-07-NNNN inverter?
A: It uses internal air cooling with an integrated blower for thermal management.
Q: What protection class does the HMS01.1N-W0020-A-07-NNNN provide?
A: This model is classified under protection class IP20, providing limited protection against solid objects.
Q: Is the HMS01.1N-W0020-A-07-NNNN equipped with an internal power supply?
A: The HMS01.1N-W0020-A-07-NNNN does not include an internal power supply.
