Baumüller BUM61-40/60-54-B-0-12 Single Power Servo Drive
The Baumüller BUM61-40/60-54-B-0-12 is a high-performance mono power unit servo drive from Baumüller’s BUM 61 series. It integrates a mains-end supply converter and a motor-end inverter in a single compact unit, providing precise torque, speed, and position control for industrial servo motors. This drive features an integrated ballast resistor for regenerative energy dissipation, advanced vector control algorithms, and compatibility with a wide range of feedback systems. Manufactured in Germany, it is designed for demanding industrial automation applications requiring high dynamic response and reliability.

Key Applications
- High-Precision Motion Control: Drives servo motors in applications requiring accurate positioning, speed regulation, and torque control.
- Multi-Axis Machinery: Serves as a standalone drive or part of a multi-axis system in packaging, printing, and textile equipment.
- Industrial Robotics: Powers robot arms and manipulators for pick-and-place, assembly, and material handling operations.
- CNC Machining: Provides spindle and axis drive for CNC milling machines, lathes, and machining centers.
- Retrofit Projects: Ideal for replacing outdated drives in existing industrial equipment while maintaining compatibility with original motors and control systems.
- Material Handling: Drives conveyors, elevators, and automated guided vehicles (AGVs) in manufacturing and logistics facilities.
Operating Environment
| Parameter | Specification |
|---|---|
| Operating Temperature | 0 °C to +40 °C (32 °F to 104 °F) (rated); up to +55 °C (131 °F) with derating |
| Storage Temperature | -25 °C to +70 °C (-13 °F to 158 °F) |
| Relative Humidity | 5%–95% (non-condensing) |
| Altitude | Up to 1,000 m (3,280 ft) without derating |
| Vibration Resistance | 1 g (10 Hz–150 Hz) |
| Enclosure Rating | IP20 (for cabinet installation) |
| Cooling Method | Forced air cooling with integrated fan |
| Certifications | CE, UL, cUL |
Technical Specifications
| Parameter | BUM61-40/60-54-B-0-12 |
|---|---|
| Manufacturer | Baumüller Nürnberg GmbH |
| Country of Origin | Germany |
| Module Type | Mono Power Unit (Integrated Rectifier + Inverter) |
| Input Voltage | 3 × 400–460 VAC ±15%, 48–62 Hz |
| Control Supply | 24 VDC ±20% (max. 55 W) |
| Input Power | 29 kVA (nominal) |
| DC Link Voltage | 540 VDC (nominal) |
| Output Voltage | 3 × 0–437 VAC (0–95% of input voltage) |
| Output Frequency | 0–400 Hz |
| Continuous Output Current | 40 A (at 4 kHz switching frequency) |
| Peak Output Current | 60 A (for 3 seconds) |
| Continuous Output Power | 27 kVA (at 4 kHz switching frequency) |
| Integrated Features | Internal ballast resistor; no safety relay |
| Control Modes | Torque control, speed control, position control |
| Feedback Options | Resolver, incremental encoder, absolute encoder |
| Communication Interfaces | CANopen, PROFIBUS DP, Interbus S, Sercos (via optional technology cards) |
| Dimensions (H × W × D) | 425 mm × 180 mm × 295 mm (16.7 in × 7.1 in × 11.6 in) |
| Weight | 16.78 kg (37.0 lb) |
| Mounting | Vertical cabinet mounting |
| Diagnostics | Front-panel LED indicators; comprehensive fault logging |

Typical Industries
- Packaging Machinery: Form/fill/seal machines, case packers, labeling equipment, and wrapping machines.
- Printing & Converting: Offset presses, flexographic printers, die-cutters, and laminating machines.
- Textile Industry: Weaving machines, knitting machines, spinning frames, and dyeing equipment.
- Woodworking: CNC routers, saws, edge banders, and furniture production lines.
- Metalworking: CNC machining centers, lathes, press brakes, and shearing machines.
- Automation & Robotics: Industrial robots, automated assembly lines, and material handling systems.
- Food & Beverage: Processing equipment, filling machines, and packaging lines.
Related Series Products
-
Baumüller BUM61-30/45-54-B-0-12
- Medium-power mono power unit with 30 A continuous / 45 A peak output current.
- 23 kVA input power and 20 kVA continuous output power.
- Identical form factor and feature set to the BUM61-40/60 model.
-
Baumüller BUM61-20/30-54-B-0-12
- Lower-power mono power unit with 20 A continuous / 30 A peak output current.
- 15 kVA input power and 13 kVA continuous output power.
- Compact design for space-constrained applications.
-
Baumüller BUS61-40/60-54
- Power module (inverter only) for multi-axis systems.
- Requires external DC link power supply from BUG or BUC series feed units.
- Same output specifications as the BUM61-40/60 but without the integrated rectifier.















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