PM IE4 motor—premium-standard efficiency and reliability

Permanent-magnet synchronous motors (PM) in the IE4 Super Premium Efficiency class are one of the key technological elements that set B&D screw compressors apart. Thanks to modern construction and top-quality materials, they ensure maximum energy efficiency, long service life, and stable operation even in demanding industrial conditions.

Why choose a PM IE4 motor?

Maximum energy efficiency (IE4 class)
PM motors in the IE4 class meet the most stringent international standards on energy consumption. In practice, this means lower electricity bills, reduced CO₂ emissions, and more sustainable operation of the compressed-air installation.

Precise operational control
Thanks to synchronous design, the PM IE4 motor allows very accurate adjustment of speed and torque to current demand. The compressor always works exactly as the production process requires, eliminating energy losses and increasing overall system efficiency.

User comfort—low vibration and noise
PM motors are exceptionally quiet and stable in operation. Lower noise and vibration translate into greater operator comfort and the option to install compressors without additional soundproofing.

Long service life and lower maintenance costs
No brushes and a simplified design mean lower failure risk and far less frequent servicing. This results in lower operating costs and extended life of the entire compressor system.

Stability and reliability
PM IE4 motors withstand high loads and provide uninterrupted operation even in continuous duty. That’s assurance your production will run without unnecessary downtime or losses.

Integrated inverter

Speed control using an inverter (VSD – Variable Speed Drive) enables precise control of motor speed and significantly reduces inrush current. This lets the compressor start smoothly, without sudden load spikes on the electrical network, extending component life and improving overall system stability.

Key advantages of using an inverter in B&D screw compressors:

• Significant energy savings—the variable-speed drive matches compressor output exactly to instantaneous compressed-air demand. In practice this reduces energy losses during low-load periods, delivering savings of up to 35% compared to fixed-speed compressors.

• Synergy with the PM motor—combining the inverter with a high-efficiency PM IE4 motor (permanent magnets) achieves an even higher level of efficiency—up to 42% energy savings. It is one of the most economical and eco-friendly solutions available in the compressed-air industry.

• Stable working pressure—the inverter eliminates pressure spikes, keeping it within a narrow tolerance band. This ensures production equipment supplied with compressed air operates stably and minimizes downtime risk due to pressure fluctuations.

• Reduced service costs—smooth starts and stops limit mechanical wear on drive and compression components. Fewer on/off cycles also extend the life of bearings, couplings, and the motor.

• Lower noise and reduced vibration—inverter operation combined with a PM motor significantly reduces noise and vibration. The compressor runs more quietly and is more comfortable for its surroundings, which is especially important in production halls with many machines operating at once.

• Lower load on the electrical network—reducing inrush current eliminates negative impacts on the power supply network, which is particularly important in facilities with extensive electrical infrastructure.

In B&D compressors, the inverter is not just an add-on—it is the foundation of economical, stable operation. Combined with the PM IE4 motor, it delivers best-in-class energy efficiency.

Control panel

The B&D controller is an advanced system for controlling a screw compressor, responding in real time to key parameters and protecting the machine from unplanned downtime. It works directly with the inverter and a set of sensors (including temperature, pressure, and flow), ensuring optimal operating conditions and full safety of the entire installation.

The clear display provides detailed information such as:

• current alarms and statuses,

• system and screw module temperature,

• operating hours,

• current operating parameters (pressure, load, speed).

B&D controller functions:

• adjustment of minimum and maximum pressure values,

• work schedule configuration,

• load control,

• remote compressor monitoring and management via Wi-Fi.

Thanks to the built-in connectivity module, the user gets quick access to service data and current operating parameters from anywhere.

B&D Cloud

B&D Cloud is a modern platform for remote monitoring and management of B&D screw compressors, available through a dedicated mobile app. It enables real-time viewing of operating parameters, analysis of the unit’s operating history, and generation of energy reports.

Benefits of using B&D Cloud:

• ✅ Full control in the mobile app – monitor the compressor from anywhere, at any time.

• ✅ View of key parameters – pressure, temperature, energy consumption, and operating hours.

• ✅ Real-time notifications – instant information on faults, alarms, or threshold exceedances.

• ✅ Service planning – maintenance reminders and fault prediction to minimize downtime risk.

• Cost optimization – analysis of energy consumption and reports that help increase installation efficiency.

5-year AirSure warranty

Your equipment runs continuously – make sure it stays that way.

Full service protection, genuine parts, and reliable performance for years to come.

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