HMS01.1N-W0070-A-07-NNNN-AA Bosch Rexroth Indramat
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MPN: R911326674
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The Bosch Rexroth Indramat HMS01.1N-W0070-A-07-NNNN-AA is an axis inverter from the HMS Axis Inverters series with a nominal DC bus voltage of 700 V. It features an internal air cooling system with an integrated blower and offers a rated maximum current of 70 Amps. The inverter has an IP20 protection class and is version 1 in its design and line series.
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Product Description:
The HMS01.1N-W0070-A-07-NNNN-AA is an axis inverter manufactured by Bosch Rexroth Indramat. It connects to a common DC bus and modulates the energy delivered to individual drive axes in automated production lines, positioning systems, and material-handling equipment. By controlling electrical power to connected motors, it supports precise speed and torque regulation that is essential for coordinated motion sequences on modern industrial machinery. The unit is intended for applications in which several axes share a central power source while each motor channel still responds to separate motion commands from the control system. That arrangement lets one machine use shared DC-bus energy while maintaining independent axis behavior during acceleration, deceleration, and synchronized positioning.
The inverter operates on a nominal bus potential of DC 700 V, so downstream components must be rated for that voltage class. Its semiconductor stage can supply up to 70 A of output current before thermal derating begins, which suits axes that require substantial continuous motor current. Heat is removed by internal air cooling with an integrated blower, which circulates cabinet air through the heat sink without external ducting and supports stable temperature control inside the enclosure. The enclosure is rated IP20, providing touch protection but no sealing against dust or water, so the unit is intended for installation inside a protected cabinet. Because cooling air is recirculated from the cabinet interior, the surrounding enclosure must allow adequate airflow across the inverter section.
Within the HMS Axis Inverters series, this model uses Design Version 1 and Line Version 1. The unit has no internal auxiliary supply, so the control electronics and brake relays must be powered from an external 24 V source. These version identifiers distinguish this unit from other configurations in the same range. The missing internal supply also means the cabinet must include a separate control-power source for startup logic, interface circuits, and brake control connections. This arrangement affects panel layout because control power must remain available independently of the high-voltage DC bus.
Frequently Asked Questions about HMS01.1N-W0070-A-07-NNNN-AA:
Q: What type of cooling does the HMS01.1N-W0070-A-07-NNNN-AA use?
A: The HMS01.1N-W0070-A-07-NNNN-AA is equipped with an internal air cooling system using an integrated blower.
Q: What is the rated maximum current for the HMS01.1N-W0070-A-07-NNNN-AA?
A: This axis inverter can handle a rated maximum current of 70 A during operation.
Q: What is the nominal DC bus voltage of the HMS01.1N-W0070-A-07-NNNN-AA?
A: The nominal DC bus voltage for the HMS01.1N-W0070-A-07-NNNN-AA is DC 700 V.
Q: What is the protection class of the HMS01.1N-W0070-A-07-NNNN-AA?
A: This model has a protection class of IP20, suitable for installation in clean, dry environments.
Q: Does the HMS01.1N-W0070-A-07-NNNN-AA include an internal power supply?
A: The HMS01.1N-W0070-A-07-NNNN-AA is not equipped with an internal power supply.
