HMV01.1R-W0018-A-07-FNN2

HMV IndraDrive Supply Units

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The HMV01.1R-W0018-A-07-FNN2 power supply from Bosch Rexroth Indramat’s HMV IndraDrive Supply Units series provides reliable energy management. It delivers 18 kW output at a DC bus nominal voltage of 700 V and accepts 3-phase AC input from 380 to 480 V drawing 26 A. Cooling is via internal air with an integrated blower, and the unit features IP20 protection and a 24 A output current. It is compatible with HMS01 and HMD01 drive controllers and holds UL and CE certifications.

Technical Specifications

Cooling Method
Internal Air with Integrated Blower

DC Bus Nominal Voltage
DC 700 V

Design Version
1

Power Supply Configuration
Regenerative

Product Type
HMV Supply Unit

Protection Rating
IP20

Rated Output Power
18 kW

Series Version
01

Frequently Asked Questions

What are the real consequences of using the HMV01.1R-W0018-A-07-FNN2 (Bosch Rexroth) in ambient temperatures above 40 °C?

Above ~40 °C, the unit must derate its output to avoid overheating; continuous full-power (18 kW) performance isn’t guaranteed beyond that threshold. Proper ventilation and spacing are critical to maintain thermal stability.

How does the regenerative capability impact energy savings and heat generation in industrial automation setups?

Regeneration means that kinetic or braking energy is fed back into the DC-bus instead of being dissipated, reducing wasted energy and lowering overall power consumption. However, regeneration also increases stress on capacitors and switching components, so thermal design must accommodate higher internal losses during regeneration peaks.

What installation clearances and mounting positions are required for optimal airflow and cooling?

The unit requires a vertical mounting position (G1) with sufficient top and bottom clearance (≈300 mm top, ≈130 mm bottom) so the internal blower can draw in air properly without recirculating heated air. Lack of clearance can result in elevated internal temperature rises (~65 K) and degraded reliability.

What are the implications of its DC bus nominal voltage (700 V) when pairing with motor drives and wiring selection?

A 700 V DC-bus means all downstream wiring, insulation classes, and drive inputs must be rated above that voltage; cable length and skin-effect losses grow at high current in high voltage setups. Also, safety clearances and surge suppression (e.g. from regenerative switching) become more critical.

How large can the input current inrush be when powering the control circuits (24 V supply), especially with long brake motor cable runs?

The 24 V control supply sees an inrush current of up to ~5.5 A, which may be higher when brake-motor cables exceed about 50 m; thus designers should include inrush current limiting and ensure supply wiring can handle transient peaks without voltage drop.

Common Misspellings

Internal Product Review

The HMV01.1R-W0018-A-07-FNN2 is a regenerative power supply unit from Bosch Rexroth, providing 18 kW output with a 700 V DC bus nominal voltage. It operates with a 3-phase AC input of 380-480 V and is compatible with HMS01 and HMD01 drive controllers. This unit is ideal for applications in automation, robotics, and manufacturing, offering efficient performance with an IP20 protection rating.