ATEX Pressure Switch 901P Ex

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Product Description

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.

Application:

Technical data

Type	Setting range for upper switching point between	Maximum positive working pressure Standard/extended	Maximum negative working pressure Standard/extended
901.61	5 and 20 mbar	0,5/4 bar	1 bar
901.62	10 and 50 mbar	0,5/4 bar	1 bar
901.63	25 and 100 mbar	0,5/4 bar	1 bar
901.64	50 and 250 mbar	1/4 bar	1 bar
901.65	100 and 500 mbar	1/4 bar	1 bar
901.66	250 and 1.000 mbar	10 bar	1 bar
901.67	500 and 1.500 mbar	10 bar	1 bar
901.68	1.000 and 3.000 mbar	10 bar	1 bar
901.91	1,0 and 6,0 bar	25 bar	1 bar
901.92	4,0 and 9,0 bar	25 bar	1 bar
901.93	7,0 and 12,0 bar	25 bar	1 bar
901.71	5 and 20 mbar	0,5/4 bar	1 bar
901.72	10 and 50 mbar	0,5/4 bar	1 ba
901.73	25 and 100 mbar	0,5/4 bar	1 bar
901.74	50 and 125 mbar	0,5/4 bar	1 bar
901.75	75 and 200 mbar	1/4 bar	1 bar
901.76	100 and 300 mbar	1/4 bar	1 bar
901.77	200 and 500 mbar	1/4 bar	1 bar
901.78	300 and 700 mbar	1/4 bar	1 bar
901.81	5 and 20 mbar (differential pressure)	100 mbar	100 mbar
901.82	10 and 50 mbar (differential pressure)	100 mbar	100 mbar

Temperature range:

Ambient temperature from 20C to 85C
Temperature of media up to 85C or 130C 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.

Pressure connection:

Material: PA, PVDF, PPS, Brass, Stainless steel
Hose nipple: 5,0mm, 6,5mm, 10,0mm
Thread: M10x1, G1/8, G1/4, G1/2

Electrical rating:

Electrical connection: