R911297460 (HMV01.1R-W0018-A-07-NNNN)

What are the implications of the 700 V DC bus nominal voltage in the HMV01.1R-W0018-A-07-NNNN (Bosch Rexroth) for insulation and safety in a drive system?

A 700 V nominal DC bus requires insulation materials rated well above that voltage (often 1.2-1.5×), and clearances in the design must prevent arcing under transient overvoltages. Protective measures such as class II insulation, creepage/clearance distances, and solid grounding become more important when handling regenerative energy with such high DC rails.

How does the regenerative configuration affect energy efficiency in industrial applications?

Regenerative design allows energy during braking or deceleration to be fed back into the DC bus or grid rather than dissipated as heat, reducing wasted energy and cooling requirements. In systems with frequent stops/starts or load reversals (e.g. cranes or robot arms), the savings in power and thermal loading can be substantial.

What cooling and ventilation requirements arise from “internal air with integrated blower” cooling in a unit rated 18 kW?

The blower must have sufficient airflow and not be obstructed; enclosure design must allow inlet and outlet clearance for airflow (top / bottom or side depending on orientation). Also, ambient temperature should be kept within limits (often -25 °C to +55 °C) to avoid overheating the internal components or shortening capacitor lifetimes

How does the input voltage range of 380-480 V, 3-phase AC affect where this unit can be used and what preconditions it imposes?

The unit requires a stable three-phase industrial AC supply in that range; lower supply voltages (e.g. 230 V) are not acceptable without transformers. Voltage stability, phase balance, and harmonic distortion influence how well the unit operates; high imbalance or distortion increases stress on rectifier and filtering components.

What are the expected effects on performance and lifetime of the device given it is rated for 18 kW continuous power and 24 A output current?

Running near or at full load will cause higher thermal stress, especially on capacitors, rectifiers, and cooling blower; thermal design must ensure efficient heat dissipation. Lifetime of electrolytic caps often limits overall MTBF, so periodic maintenance and ensuring ambient temperature stays low help extend life.

HMV 01.1R-W0018-A-07-NNNN

HMV 1.1R-W0018-A-07-NNNN

HMV01 1R W0018 A 07 NNNN

HMV01.1R-W0018-A

HMV01.1R-W0018-A-07

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

HMV011RW0018A07NNNN

HMVO1.1R-W0018-A-07-NNNN

hmv01.1r-w0018-a-07-nnnn

HMV1.1R-W0018-A-07-NNNN

The Bosch Rexroth Indramat HMV01.1R-W0018-A-07-NNNN is an 18 kW supply unit designed for industrial use. It operates with a DC bus nominal voltage of 700 V, offering 24 A output current in a regenerative power supply configuration. With CE and UL certifications, it is ideal for manufacturing and automation applications, featuring internal air cooling and an IP20 protection rating.