HMS02.1N-W0028-A-27-NNNN Bosch Rexroth Indramat
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The Bosch Rexroth Indramat HMS02.1N-W0028-A-27-NNNN is part of the HMS Axis Inverters series. It features an internal air cooling system with an integrated blower and a protection class of IP20. The inverter has a rated maximum current of 28 Amps and is not equipped with an internal power supply.
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Product Description:
The HMS02.1N-W0028-A-27-NNNN is a modular axis inverter produced by Bosch Rexroth Indramat for the HMS Axis Inverters series. Intended for multi-axis drive systems, the unit receives electrical energy from a common DC bus and converts it into regulated motor voltage and current. This arrangement allows the inverter to operate compatible servo or induction motors while controlling torque, speed, and position in response to commands from a higher-level controller. Typical applications include packaging stations, printing presses, and gantry loaders where multiple cabinet-mounted drives must coordinate precise motion within limited installation space.
The unit uses internal air cooling with an integrated blower to circulate air through its internal channels and remove heat from the power electronics. This cooling method does not require external ducting, but the installation must provide enough cabinet space for unobstructed airflow around the inverter. The enclosure has an IP20 protection rating, which protects against contact with hazardous internal parts but does not protect against water. The inverter must therefore be installed inside a clean electrical cabinet that prevents exposure to dripping liquids and excessive contamination. Its maximum rated current is 28 A, so the connected motor cables and protective devices must be suitable for that current level. The unit is built to Design Version 1 and belongs to Line Version 2, indicating its design and product generation within the platform.
The inverter is supplied without an internal power supply, so a compatible external supply module must energize the common DC bus. Standardized DC and communication connections allow the device to exchange power, commands, and operating data with other modules in the drive system. Its HMS product type identifies it as a modular axis inverter intended for coordinated installations with compatible supply and control equipment. The compact housing supports installation alongside adjacent axis modules while preserving access to front connectors and status indicators. Shared bus connections reduce individual power wiring between modules, while the cabinet arrangement allows each axis to receive separately regulated motor output. Proper spacing around the housing is necessary to maintain cooling airflow and prevent nearby equipment from obstructing heat removal.
