Rexroth R922002498 HMV02.1R-W0015-A-07-NNNN 15kW Regenerative Power Supply Module
The REXROTH R922002498 HMV02.1R‑W0015‑A‑07‑NNNN is a high‑performance modular servo drive power supply unit designed by Rexroth for industrial automation applications. This unit is part of the IndraDrive M HMV Power Supply family, engineered to provide stable DC bus power in multi‑axis electric drive systems. Its advanced design supports regenerative feedback, high efficiency, and reliable long‑term operation in demanding industrial environments such as machine tools, robotics, material handling systems, packaging equipment, and CNC systems.
The HMV02.1R‐W0015‐A‐07‐NNNN is configured as a 15 kW regenerative supply stage capable of handling complex power flows, including energy returned during deceleration and braking. It supports a shared DC bus across multiple drive modules, enabling coordinated motion and intelligent energy management. With robust construction, integrated cooling, and industrial‑grade electronics, this unit is well‑suited for applications requiring both performance and durability.
Product Identification and Basic Description
| Feature | Description |
|---|---|
| Brand | Rexroth |
| Part Number | R922002498 |
| Type/Model Code | HMV02.1R‑W0015‑A‑07‑NNNN |
| Series | IndraDrive M Power Supply Units |
| Product Category | Regenerative Power Supply / DC Bus Module |
| Rated Output Power | 15 kW |
| Input Voltage | 380–480 VAC, three‑phase industrial supply |
| Nominal DC Bus Voltage | Approx. 700–800 VDC |
| Cooling Method | Forced internal air cooling with blower |
| Protection Class | IP20 (cabinet mounted) |
| Product Net Weight | 13.8 kg |
| Typical Use | Multi‑axis servo drive systems; regenerative power supply |
The product’s net weight is approximately 13.8 kg, measured without packaging or additional accessories. Shipping weight may vary when crate, foam, or moisture barrier packing is included.
Electrical and Performance Specifications
| Parameter | Value / Description |
|---|---|
| Input Voltage Range | 380 V – 480 V, 3‑phase AC |
| Rated Power Output | 15 kW |
| DC Bus Voltage (Nominal) | Approx. 700–800 VDC |
| Efficiency | High efficiency regenerative design |
| Power Factor | Near Unity typical |
| Operating Frequency | 50/60 Hz |
| Output Capacity | Supports multiple downstream drive modules |
| Regenerative Braking | Integrated regenerative energy capability |
| Thermal Protection | Over‑temperature shutdown, fan monitoring |
| Electromagnetic Compatibility | Meets industrial EMC standards |
The regenerative design enables energy returned from decelerating loads to be fed back into the DC bus. This feature minimizes reliance on resistive braking and reduces overall system heat generation.
Key Features and Functional Benefits
| Feature | Description |
|---|---|
| Regenerative Power Capability | Handles energy returned from load inertia back to the DC bus |
| Shared DC Bus Architecture | Supplies stable power to multiple drive axes |
| Modular Integration | Works within Rexroth IndraDrive M modular systems |
| Intelligent Protection | Includes over‑current, over‑temperature, and fan diagnostics |
| Thermal Management | Balanced forced air cooling with internal fans |
| Industrial‑Grade Construction | Metal housing and robust electronics suitable for cabinet mounting |
| Scalable Design | Compatible with a range of 7.5 kW to 45 kW HMV variants |
The HMV02.1R unit is typically paired with inverter modules that convert DC bus power to motor drive power. Its scalability allows system engineers to match power supply capacity with total axis load requirements.
Mechanical and Installation Specifications
| Dimension | Approximate Value |
|---|---|
| Height | Standard IndraDrive M power unit form factor |
| Width | Modular rack mount size |
| Depth | Cabinet‑mounted orientation |
| Mounting | DIN rail or proprietary Rexroth mounting brackets |
| Cooling Intake/Exhaust | Front and top for airflow |
Installation Notes:
- Ensure adequate clearance for airflow and service access.
- Mount the unit near compatible IndraDrive M inverter modules to reduce DC bus cable lengths.
- Use appropriate cable gauges for mains input and DC bus connections.
- Provide cabinet ventilation to maintain ambient temperature within specified range.
Typical Industrial Applications
The R922002498 HMV02.1R is ideal for industrial environments where multiple servo axes operate in a coordinated fashion and efficient energy reuse is required.
| Application Category | Typical Use Case |
|---|---|
| Machine Tools | Power supply for multiple feed and spindle axes with high dynamic motion |
| Robotics | Shared power system for multi‑joint robotic arms |
| Packaging Machinery | Drives synchronized conveyors, pick‑and‑place systems |
| Printing and Labeling | Governs high‑speed motion control with regenerative braking |
| Assembly Lines | Facilitates coordinated power for automated assembly stations |
| Material Handling Systems | Supports heavy loads requiring frequent acceleration and deceleration |
The regenerative power capability reduces heat and improves energy efficiency, which is particularly beneficial in applications with frequent start‑stop cycles or high inertial loads.
System Integration and Installation Guidelines
When integrating the R922002498 HMV02.1R unit into a system, adherence to best practices ensures reliability and performance:
Electrical Integration
- Confirm mains voltage matches the unit’s specified input range.
- Use appropriately rated circuit protection devices (breakers, fuses).
- Ensure EMC grounding and shielding compliance.
DC Bus Configuration
- Connect downstream drives using compatible DC bus connectors.
- Minimize DC bus conductor lengths to reduce electrical losses and noise.
Cooling
- Ensure cabinet ventilation supports the unit’s internal cooling fans.
- Avoid placing heat‑sensitive components near the power supply.
Maintenance
- Periodically check fan operation.
- Inspect connectors for oxidation or loose terminations.
- Monitor ambient cabinet temperature for compliance.
Safety and Compliance Considerations
The HMV02.1R‑W0015‑A‑07‑NNNN unit is engineered to meet necessary industrial safety and regulatory standards. Always follow the original Rexroth installation manual and local electrical codes. Safety precautions include:
- Proper grounding of chassis and power lines.
- Lockout‑tagout procedures before servicing.
- Use of protective interlocks in the automation cabinet.
Summary and Value Proposition
The REXROTH R922002498 HMV02.1R‑W0015‑A‑07‑NNNN is a 15 kW regenerative supply unit designed for high‑performance industrial drive systems. With approximately 13.8 kg of product weight, robust electrical capability, modular integration, and regenerative energy management, it offers a compelling combination of efficiency, reliability, and system scalability.
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