Description
These high-quality mechanical pressure switches have been developed especially for safety-critical applications. The great advantage is that no supply voltage is required for the switching process.
In production, the switches are traced by quality assurance software at every step and subsequently are 100 % tested.
The model PXA pressure switch can be installed in measurement environments with limited space due to its compactness. The robust switch enclosure from stainless steel 316 can withstand the rough and corrosive operating conditions. Operates in the process industry with working ranges of up to 1,000 bar.
The pressure switch is fitted with micro switches. These make it possible to switch an electrical load of up to AC 250 V, 5 A directly within a repeatability of 1 % of the set point.
Depending on the application, the appropriate variant for the contact version and the electrical connection can be selected. For example: hermetically sealed micro switches are suitable for corrosive ambient conditions and DPDT contact versions for two separate circuits.
A Belleville spring ensures simultaneous triggering of the DPDT contact and increases the stability and vibration resistance due to the snap-acting behaviour.
The pressure switch is optionally available with SIL-2 or SIL-3 capability for safety applications.
