Differential Pressure Switch With UL Approval – Beck 930 Series

Features

  • Diaphragm material – Silicone, free of gas emissions.
    – Other materials available on request.
  • Housing materials – Switch body and cover of plastic
  • Weight – 150 g
  • Life – Mechanically more than 10⁶ cycles
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Differential pressure switch 930 with UL approval 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.

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 +60°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 / 50-60 Hz
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.
Protection class IP 54
Type Adjustable switching points between Maximum operating pressure
930.80U 20 und 200 Pa 10 kPa
930.80BU 20 und 300 Pa 10 kPa
930.84U 30 und 400 Pa 10 kPa
930.83U 50 und 500 Pa 10 kPa
930.85BU 100 und 1000 Pa 10 kPa
930.85U 200 und 1000 Pa 10 kPa
930.86U 500 und 2500 Pa 10 kPa
930.87U 1000 und 4000 Pa 10 kPa
930.87BU 1000 und 5000 Pa 10 kPa

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

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