MOBILAIR M250E/M255E Stationary Portable Air Compressors

KAESER’s MOBILAIR M250E and M255E electric portable air compressors are compact, powerful, and designed for outdoor use. Their slim build allows two units to fit side-by-side on a truck, with lifting eyes and heavy-duty skids for easy transport and protection.

Built for tough conditions, these air compressors operate reliably from -10 °C to +40 °C, with optional low-temperature versions for down to -25 °C. A star-delta starter ensures dependable performance in demanding environments.

Quick connections via terminal box or POWERLOCK make setup easy, even at changing sites. Both models come ready for connection with an integrated circuit breaker.

For advanced control, the M250E and M255E support remote monitoring via Industrie 4.0 systems, providing real-time diagnostics, maintenance planning, and geolocation tracking.

Choose KAESER for durable, efficient portable air compressors you can depend on.

• Emissions-free operation – Ideal for use in low-emission and noise-sensitive zones.
• Whisper-quiet performance – Suitable for indoor work, tunnels, and excavation pits.
• Energy-efficient drive – Delivers reliable compressed air with lower energy consumption.
• Durable and compact design – Built for challenging conditions and long service life.
• Low maintenance requirements – Saves time and reduces ongoing costs.
• Flexible transport options – Available with fixed or adjustable tow bars, with or without overrun brakes.
• Versatile applications – Perfect for bridging operations during maintenance and a wide range of industrial uses.
• Suitable for harsh environments – Reliable performance even under extreme conditions.

MOBILAIR M 27E Model

Flow Rate (m³/min): 2.6

Working Pressure (bar): 7

Rated Motor Power (kW): 15

Operating Weight (kg): 530 

Sound Pressure Level (dBA): 63

MOBILAIR M 31E Model

Flow Rate (m³/min): 3.15, 2.6, 2.3, 1.9 

Working Pressure (bar): 7, 10,12,14

Rated Motor Power (kW): 22

Operating Weight (kg): 585

Sound Pressure Level (dBA): 64

MOBILAIR M 50E Model

Flow Rate (m³/min): 5.0, 3.8 

Working Pressure (bar): 7, 10

Rated Motor Power (kW): 25

Operating Weight (kg): 690

Sound Pressure Level (dBA): 62