We are specialists in position sensing, in other words feed back signal from a linear or rotary sensor. With our experience we will guide you to the best solution, no matter if you need some standard components from our stock or larger quantities of a customized sensor.

Pressure switch PST4B, Picostat

The mechanical pressure switches from Trafag are outstanding for their compact design and high-precision micro-mechanics specially developed and manufactured by Trafag itself. These switches can be installed in any position and need no electric power, making them particularly versatile in application and fully site-independent.

Pressure switch with 30 mm block design, good preformance-cost ratio, mounting compatible with Picostat family NPN and ISP.


  • Shipbuilding
  • Engine manufacturing
  • Railways
  • Machine tools

Measuring range -0,6...3,4 to 4...40 bar
Pressure connection G1/8'' female, G1/4'' female, G1/4'' male, M10x1.0 f
Sensor technology Bellow
Protection rating IP65
Connection EN175301-803-A
Material Bronze
Output Micro switch SPDT
Media temperature -25...+125°C
Temperature range -25...+125°C

Maximilian Grudin

Product division:
Pressure- and temperature sensors

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