air pressure switch / diaphragm / industrial
DL..A series



  • Fluid:

    for air

  • Technology:


  • Applications:


  • Pressure range:

    Max.: 150 mbar (2.18 psi)

    Min.: 0.2 mbar (0 psi)


Diaphragm pressure switches with micro switch (silicone-free) for monitoring air pressures on industrial and commercial installations, for positive pressure, negative pressure and differential pressure, for air and flue gas, suitable for use as special-design pressure switches, EC type-tested and certified pursuant to the Gas Appliances Directive (90/396/EEC) and the Low Voltage Directive (2006/95/EC) in conjunction with EN 1854.

Switching ranges: 0.2 to 150 mbar.
With threaded and tube connections and hand wheel for switching point adjustment,
Electrical connection: terminals with M16x1.5 cable gland or standard coupler plug.

The following versions are available:

Pressure switch with gold-plated contacts for voltages of < 24 V,
Pressure switch with pilot lamp,
Pressure switch with test keys for function checks in the case of positive pressure, negative pressure and differential pressure,
Pressure switch with external adjustment.