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Beck Brand Pressure switch 901 Prescal® adjustable



Adjustable pressure switch monitoring overpressure, vacuum or differential pressure of liquid and gaseous – also aggressive – media.

The pressure switch uses a scaled adjustment knob to enable the adjustment of trip and reset pressure without the use of a screwdriver.

Mounting in any position, to be specified for settings below 100 mbar.


Technical Details

Temperature range Ambient temperature from –20° C to 85° C.
Temperature of media from 85° C or 130° C depending on material of pressure connection and diaphragm.
Diaphragm material Depending on media NBR, Silicone, FKM (Viton®), EPDM.
For 901.8x Silicone, others upon request.
Electrical rating Values indicated for resistive load
AgNi-contacts: 6(1.5) A/250 VAC
2 A/24 VDC
Gold-plated contacts: 100 mA/24 VAC
30 mA/24 VDC
AgNi-contacts up to 10 A/250 VAC can be supplied upon request.
Electrical connection AMP connection 6.3 mm x 0.8 mm DIN 46244.


Additional information




Differential pressure switch

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