HMV01.1E-W0075

HMV IndraDrive Supply Units

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The HMV01.1E-W0075 supply unit from Bosch Rexroth Indramat belongs to the HMV IndraDrive Supply Units series. It features internal air cooling with an integrated blower, delivers 75 kW output at a 700 V DC bus voltage, and is configured as a feeded power supply. The unit offers IP20 protection rating with both reverse polarity and short circuit protection available. It incorporates a built-in smart energy mode and is specified as design version 1.

Technical Specifications

Cooling Method
Internal Air with Integrated Blower

Design Version
1

Series Version
01

Power Supply Configuration
Feeded

Product Type
HMV Supply Unit

Rated Output Power
75 kW

DC Bus Voltage
700 V

Protection Rating
IP20

Reverse Polarity Protection
Available

Series
HMV Series

Short Circuit Protection
Available

Smart Energy Mode
Built in

Frequently Asked Questions

What does the nominal DC bus voltage of 700 V imply for motor compatibility and safety?

It means only motors and inverters rated for up to about 700 VDC (or more) can be driven directly without additional step-up/down conversion. Also, insulation, clearances, and safety devices must be designed to safely handle this voltage to avoid arcing or breakdown.

What are the thermal dissipation and heat load considerations under full 30 kW output?

A considerable portion of input power will be lost as heat in rectification, switching, and conduction losses—expect several kilowatts of waste heat. The cooling system must be sized so that ambient temperatures up to +40 °C don’t push component junction temperatures above safe limits (as per Bosch’s manual).

What is the effect of frequency tolerance (48-62 Hz) on unit performance and power output?

Operating outside nominal 50-60 Hz will slightly change the input current, and possibly derate performance, because rectifier and intermediate circuit loads depend on the mains frequency. Within 48-62 Hz Bosch allows that tolerance without needing to recalibrate, but beyond that efficiency and cooling margin suffer.

How does the built-in capacitance (2 × 470 nF to housing) influence EMC compliance and system layout?

These capacitors provide a reference/return path to reduce electrical noise and meet EMC standards; however, they also create leakage currents which must be grounded properly. Cabling layout and chassis bonding are important to avoid ground loops or unexpected interference.

For what industrial applications is the HMV01.1E-W0030-A-07-NNNN especially well suited, and where might it be overkill?

It is well suited for multi-axis robotics, CNC machining centers, or large automation lines where a stable high DC bus is shared among drives. It might be overkill for single small axis or low kilowatt tasks, where lower power or simpler supply units would be more cost-effective.

Common Misspellings

Internal Product Review

The HMV01.1E-W0075 is a Bosch Rexroth Indramat HMV IndraDrive supply unit. It uses internal-air cooling with an integrated blower, delivers 75 kW at 700 V DC, and adds IP20 protection with reverse-polarity/short-circuit safeguards and Smart Energy Mode. This drive is used in machine tools, packaging, printing, assembly and robotics cells.