Differential Pressure Switch – Beck 930 Series

Features

  • Medium – Air, non-combustible and non-aggressive gases
  • Diaphragm material
    • Silicone, free of gas emissions
    • Other materials available on request
  • Housing materials – Switch body and cover of plastic
  • Weight – With cover 150 g, without cover 110 g
  • Mechanical working life – Over 10⁶ switching operations
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Differential pressure switch 930 adjustable from 20 to 5000 Pascal.

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. NEW: This series is also available with an ATEX type examination.

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

Specification

Temperature range Medium and ambient temperature from –20°C to +85°C
Storage temperature from –40°C to +85°C
Diaphragm material Silicone, free of gas emissions.
Pressure connection 2 plastic pipe connection pieces (P1 and P2), external diameter 6.0 mm.
Electrical rating Standard version: max. 1,5 A (0,4 A) / 250 VAC
Low voltage version: max.0,1A / 24VDC.
Electrical connection Tab terminals 6.3×0.8 mm in accordance with DIN 46244 or push-on screw terminals.
Cable conduit with cable strain relief.
Protection class IP 54 with cover
IP 00 without cover
Type Adjustable switching points between Maximum operating pressure
930.8 20 and 200 Pa 10 kPa
930.80B 20 and 300 Pa 10 kPa
930.84 30 and 400 Pa 10 kPa
930.83 50 and 500 Pa 10 kPa
930.85B 100 and 1000 Pa 10 kPa
930.85 200 and 1000 Pa 10 kPa
930.86 500 and 2500 Pa 10 kPa
930.87 1000 and 4000 Pa 10 kPa
930.87B 1000 and 5000 Pa 10 kPa

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Beck 930 Differential pressure switch adjustable from 20 to 5000 Pascal-DpstarGroup

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