Screw Vacuum Pump for Arc PVD Coating
Proven technology, proven design –
decide for the best solution
Efficient
Up to 40% energy savings through speed control
Up to 40% energy savings through speed control
Flexible
Adjustment of the pumping speed to the required level via frequency control
Adjustment of the pumping speed to the required level via frequency control
High performance
Increased pumping speed by 20% up to 750 m3/h
Increased pumping speed by 20% up to 750 m3/h
Economical
No need to replace the whole vacuum pump, no extra control cabinet necessary
No need to replace the whole vacuum pump, no extra control cabinet necessary
Easy installation
Electrical and mechanical components for direct connection of frequency converter.
Electrical and mechanical components for direct connection of frequency converter.
Possible control modes
- Digital
- Analog
- Pressure control
- Idle mode with auto stop / restart

Busch Retrofit Kit – the performance and efficiency boost for R 5 RA 0630 rotary vane vacuum pumps.
- Basic VSD Retrofit Kit:
Suitable for R 5 0630 equipped with motor code KL
Frequency converter, mounting and wiring material - Advanced VSD Retrofit Kit:
Suitable for R 5 0630 C equipped with any other type of motor
Frequency converter mounted on painted motor code KL and motor coupling - Advanced VSD Retrofit Kit
Suitable for R 5 0630 B equipped with any other type of motor
Frequency converter mounted on painted motor code KL, motor coupling and special motor foot - Additional Parameter Kit
Suitable for all R 5 0630 VSD
Remote controller for variable speed drive, cable for PC connection, USB stick with variable speed drive software, factory settings back-up and vacuum pump control instructions for VSD settings
Pumping speed Operating range 35–60Hz
Technical data | 35 Hz | 40 Hz | 60 Hz | |
---|---|---|---|---|
Nominal pumping speed | m³/h | 410 | 630 | 750 |
Ultimate pressure (closed gas-ballast valve) | hPa (mbar) | 0.2 | 0.1 | 0.1 |
Nominal motor rating | kW | 18.5 | ||
Nominal motor speed | min-1 | 700 | 1000 | 1200 |
Power consumption at 100 mbar | kWh | 8.3 | 12.3 | 14.8 |
Power consumption at ultimate pressure | kWh | 4.7 | 6.8 | 7.7 |
Weight approx. (Basic VSD Retrofit Kit) | kg | 21 | ||
Weight approx. (Advanced VSD Retrofit Kit) | kg | 250 |
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