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CORMAK LUFT 700 VSD+PM COMPACT/ 500l tank

CORMAK LUFT 700 VSD+PM Compact Screw Compressor with Dryer – Compact Package for Demanding Applications – ENERGY SAVER

SET INCLUDES:

LUFT 700 VSD+PM COMPACT screw compressor with dryer

Horizontal compressed air tank – 500 L

Key Features of the Energy Saver Series
1. Permanent Magnet (PM) Motor Technology

Most compressors in the Energy Saver series use permanent magnet motors. Compared to standard induction motors, they:

Achieve efficiency levels of IE4 or even IE5

Maintain high performance even at very low speeds (standard motors lose efficiency outside their nominal range)

Are smaller, lighter, and generate less heat
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2. Advanced VSD Inverter Control

The heart of the Energy Saver line is the frequency inverter (VSD).

Adaptation to demand: The compressor does not operate on an "all-or-nothing" principle (load/unload). If your system requires only 30% capacity, the compressor reduces speed, consuming proportionally less energy.

Eliminates idle running: Traditional compressors often run for several minutes after the tank is full, consuming about 25–30% of nominal power without producing air. Energy Saver models nearly eliminate this wasteful process.

3. Soft Start

Thanks to the inverter, these units start smoothly from 0 Hz. This means no sudden current surges during startup, which:

Saves the electrical installation in the facility

Allows frequent start/stop cycles without overheating the windings

4. Real Energy Savings

In practice, the Energy Saver series can reduce electricity costs by 30% to 50% compared to traditional fixed-speed compressors.
Additionally, the system maintains very stable pressure in the network (with accuracy up to 0.1 bar), which is crucial for precision devices such as laser cutters.

Longer service life: No sudden pressure and temperature spikes prolong the screw stage life.

Technical Specifications

Motor power: 5.5 kW / 7.5 HP
Voltage: 400V / 50Hz
Air delivery at 0–6 bar: avg. 690 L/min
Air delivery at 6 bar: 690 L/min
Air delivery at 8 bar: 650 L/min
Air delivery at 10 bar: 650 L/min
Outlet connection (G): 1/2"
Dimensions: 1840 × 640 × 1470 mm
Weight: 320 kg