KAESER Aircenter SX (2.2–5.5 kW)
Compact compressed air stations with refrigerated dryers and 200-liter tanks – 2.2 to 5.5 kW for commercial and workshop use
The KAESER Aircenter SX Series offers ready-to-use compressed air stations with an integrated refrigeration dryer and a 200-liter tank for commercial businesses and workshops. Four models ranging from 2.2 to 5.5 kW, operating pressures from 8 to 11 bar max., and the SIGMA CONTROL 3 M controller with AnyBus interface—ready for operation in a compact footprint.
Which KAESER Is the Aircenter SX the right compact compressed air station for your business?
The KAESER Aircenter SX Series combines a screw compressor, a refrigeration dryer, and a 200-liter compressed air receiver into a compact, ready-to-use compressed air station based on the “plug & work” principle. Available in four sizes ranging from 2.2 to 5.5 kW and with operating pressures of up to 8 to 11 bar, the Aircenter SX is ideal for commercial businesses, workshops, and smaller production areas with a constant demand for compressed air. All models are equipped with an IE3 drive motor and are controlled via the SIGMA CONTROL 3 M.
Overview of all Aircenter SX models
The four sizes of the KAESER Aircenter SX Series at a glance:
| Model | Performance | Max. Overpressure | Volume flow | Sound Level | Variants |
|---|---|---|---|---|---|
| SX 3 | 2.2 kW (IE3) | 8 bar | 0.34 m³/min | 59 dB(A) | SX 3-8 |
| SX 4 | 3.0 kW (IE3) | 8 bar | 0.45 m³/min | 60 dB(A) | SX 4-8 |
| SX 6 | 4.0 kW (IE3) | 8 bar / 11 bar | 0.60 / 0.48 m³/min | 61 dB(A) | SX 6-8, SX 6-11 |
| SX 8 | 5.5 kW (IE3) | 8 bar / 11 bar | 0.80 / 0.67 m³/min | 64 dB(A) | SX 8-8, SX 8-11 |
SX 3
Power: 2.2 kW (IE3)
Max. Overpressure: 8 bar
Airflow: 0.34 m³/min
Sound Pressure Level: 59 dB(A)
Variants: SX 3-8
SX 4
Power: 3.0 kW (IE3)
Max. Overpressure: 8 bar
Airflow: 0.45 m³/min
Sound Pressure Level: 60 dB(A)
Variants: SX 4-8
Which SX model is best for which application?
Choosing the right model depends on your compressed air needs and the required operating pressure. The SX 3 with 2.2 kW is the compact entry-level model for businesses with moderate compressed air needs—such as for individual pneumatic tools or blow-off tasks. The SX 4 with 3.0 kW is a versatile mid-range model that offers sufficient power for the simultaneous operation of multiple tools. The SX 6 with 4.0 kW is suitable for more power-intensive applications and is the first model in the series available with a maximum pressure of 11 bar. The SX 8 with 5.5 kW is the top-of-the-line model in the series and reliably supplies even demanding commercial operations with high compressed air requirements—also available with a maximum pressure of 11 bar.
Aircenter SX, SXC, or Aircenter SM—which series is right for you?
KAESER offers compact compressed air stations in several series that differ in performance, features, and applications. The SXC Series, featuring a sound-insulating PE enclosure and SIGMA CONTROL 3 S controller, is specifically designed for use in trade workshops and offers pressure levels up to 15 bar. The Aircenter SX features the more powerful SIGMA CONTROL 3 M with an AnyBus interface, making it particularly suitable for businesses that wish to integrate their compressed air supply into a higher-level control system. If you need more power, the Aircenter SM series, with 5.5 to 9.0 kW and a 270-liter tank, offers the next level for continuous industrial operation.
Features and Technology of the Aircenter SX
Every KAESER Aircenter SX is delivered as a complete, ready-to-use system. The oil-lubricated screw compressor block with a SIGMA PROFILE rotor pair and an IE3 motor, together with the integrated refrigeration dryer and the 200-liter compressed air receiver, is housed in a compact enclosure —with dimensions of just 590 × 1090 × 1560 mm (W × D × H). The sophisticated cooling concept with separate airflow ensures low operating temperatures even at high ambient temperatures. The SIGMA CONTROL 3 M monitors all operating parameters via a 5-inch color touchscreen and enables connection to SIGMA NETWORK or external control systems via the integrated Ethernet interface and optional AnyBus modules. The refrigeration dryer operates with the refrigerant R-513A (GWP 631) at a pressure dew point of +3 °C. The ECO-DRAIN condensate drain automatically disposes of accumulated condensate without any loss. A power connection (400 V / 3-phase / 50 Hz) and a compressed air line (G 3/4) are all that is needed for commissioning.
Designed and manufactured in Germany
All KAESER Aircenter SX units are developed and manufactured at the main plant in Coburg. Their compact design, featuring optimized airflow and precisely matched components, is the result of decades of experience in the manufacture of compressed air stations. Before shipment, each unit undergoes a test run lasting several hours under real operating conditions—ensuring that the Aircenter SX performs reliably in commercial applications from day one.
Advice & Ordering
Not sure which Aircenter SX is the right compressed air station for your business? Our compressed air team will be happy to advise you on selecting the right KAESER complete system—whether it’s a compact Aircenter SX for commercial use, a more powerful Aircenter SM for continuous operation, or an Aircenter SK for production. Contact us by phone, email, or through our contact form.
