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Differential pressure switch 930 EX

adjustable from 20 to 5000 Pascal

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
Produktkonfigurator

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.

Technische Daten

Setting ranges:

 

Type Adjustable switching points between Maximum operating pressure
930.80BEx 20 und 300 Pa 10 kPa
930.84Ex 30 und 400 Pa 10 kPa
930.83Ex 50 und 500 Pa 10 kPa
930.85Ex 200 und 1.000 Pa 10 kPa
930.86Ex 500 und 2.500 Pa 10 kPa
930.7BEx 1.000 und 5.000 Pa 10 kPa

Temperature range:
Medium and ambient temperature from –20°C to +85°C
Storage temperature from –40°C to +85°C

Diaphragm material:
Silicone, tempered at 200°C 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

Arrangement of contacts:


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