INDFOS PSU (SWITZER PSM-530) Pressure Switch is used in industrial control, monitoring and alarm applications.

This Pressure Switch can switch electrical loads of up to AC 440 V, 9 A. The integrated relief valve (option) is used for depressurising the pressure chamber of the compression piston before starting the compressor. With the manual On/Off switch, the contact system can be locked in the open position, irrespective of the process pressure.

INDFOS PSU series most commonly used on Pneumatic Compressors for On/Off ; Cut Off ; Cut out Applications