ATEX Differential Pressure Switch 930 Ex

Product Description

Adjustable differential pressure switch for monitoring overpressure, vacuum and differential pressure of air or other non-combustible, non-aggressive gases.

The switching pressure can be adjusted without a pressure gauge using a scaled adjustment knob. Various versions with overlapping adjustment ranges between 0.2 mbar and 50 mbar are available for this purpose. As standard, the pressure switch is equipped with a transparent cover of protection class IP54.

Applications : 

• Monitoring air filters and ventilators
• Monitoring industrial cooling-air circuits
• Overheating protection for fan heaters
• Monitoring flows in ventilation ducts
• Controlling air and fire-protection flaps
• Frost protection for heat exchangers Ex zones 1, 2 and 21, 22 with ATEX type examination

 Temperature range:

• Medium and ambient temperature from 20C to +85C
  Storage temperature from 40C to +85C

 Diaphragm material:

• Silicone, tempered at 200C free of gas emissions (other materials on request).

 Pressure connection:

• 2 plastic pipe connection pieces (P1 and P2), external diameter 6.0 mm.

 Electrical rating:

• 24 VDC/100 mA
  30 VDC/60 mA

 Electrical connection:

• AMP flat plug, 6.3 mm x 0.8 mm, in accordance with DIN 46244 or push-on screw terminals.

 Protection class:

• IP 54 with cover