Pressure Switches - Components for Screw Compressor Systems

Pressure Switches

Application:

The pressure-dependent switches are suitable for a wide range of applications in industry and commerce.

For monitoring and controlling the pressure conditions of liquid or gaseous media in pipelines, tanks, vessels and apparatuses.
In industrial processes, refrigeration technology, pneumatics and hydraulics.
For controlling pressure in refrigeration circuits and lubrication oil systems of a wide range of machines.

In addition to automatic pressure monitoring and pressure limitation, the switches are used for initiating and terminating various regulation and control processes, for enabling function sequences and for signal generation.

Pressure control devices are used for automatic switching on and off of motors on pumps and compressors, intake controllers and solenoid valves, oil / compressed air supply systems as a function of the pressure existing within the system.

The pressure of the monitored medium at the pressure connection acts - depending on the pressure range - on a flat diaphragm or a piston and actutates via a lifting system and springs on a cascade snap switch which is extremely shakeproof and guarantees flutterfree switching.

Adjustment:

First, set the upper switching pressure. Then set the lower switching pressure - the upper switching pressure remains unchanged.
More exact adjustment can be obtained through comparison with the pressure gauge

Technical data:

Nominal voltage Ue:	380 V
Nominal operational current le:	16 A at 220 V (AC1 resistive load) 10 A at 380 V (AC1) 6 A at 220 V (AV11) 4 A at 380 V (AC11) 6 A at 12 V (DC11, L/R = 50 ms) 0,1 A at 220 V (DC11, L/R = 50 ms
Permissible motor output:	up to 0,55 kW (3/4 PS)
Admissible ambient temperature:	-20 °C to 70 °C
Protective system:	IP 65
Weight :	ca. 0,5 kg