Pressure switch 901 EX factory-set from -900 mbar to 12 bar

Pressure switch 901 EX factory-set with stainless steel pressure connection

Pressure switch 901 EX factory-set with brass pressure connection

Pressure switch 901 EX factory-set with stainless steel flange pressure connection

Pressure switch 901 EX factory-set with plastic pressure connection

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

Pressure setting and switching differential are factory-set by the manufacturer.

For temperature above 85° C metal or PPS pressure connection is required. Upon request pressure connections of other sizes, other plastics or brass nickel-plated are available.

Applications

Wastewater technology
liquid level measurement
pump control
medical technology
and many more

Technical data

Setting ranges:

Typ	Factory-set switching points between	Maximum positive working pressure Standard/extended
901.1x Ex	5 mbar and 200 mbar 200 mbar and 1.000 mbar	0,5 / 4 bar 1 / 4 bar
901.41Ex	500 mbar and 3.000 mbar	10 bar
901.51Ex	1,0 bar and 12 bar	25 bar
901.2x Ex	-5 mbar and -200 mbar -200 mbar and -900 mbar	0,5 / 4 bar 1 / 4 bar
901.30 Ex	5 mbar and 50 mbar	100 mbar

Temperature range:
Temperature of media and ambient temperature from -20°C to 85°C
Storage temperature: -40° C bis +85° C
Diaphragm material:
Depending on media NBR, Silicone, FKM (Viton®), EPDM. For 901.30 Silicone, others upon request.
Pressure connection:
Material: PA, PVDF, Brass, Stainless steel
Hose nipple: 5,0mm, 6,5mm, 10,0mm
Thread: M10x1, G1/8, G1/4, G1/2
Electrical rating:
24 VDC/100 mA
30 VDC/45 mA
Electrical connection:
AMP flat plug 6.3 x 0.8 mm according to DIN 46244 or push-on screw terminals
Protection class:
IP 54 (with cover 6371)
Arrangement of contacts: