Pressure switch For Gas – Beck 901 Prescal Series

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Pressure switch 901 Prescal® for gas adjustable from 5 mbar to 500 mbar.

Adjustable pressure switch for monitoring the overpressure of combustible gases of the gas families 1 = city gas, 2 = natural gas and 3 = LPG. The pressure switch uses a scaled adjustment knob to enable the adjustment of trip and reset pressure without the use of a screwdriver.

Applications

Adjustable pressure switch for monitoring the overpressure of combustible gases of the gas families 1 = city gas, 2 = natural gas and 3 = LPG.

Specification

Temperature range Ambient temperature from 0 to +80°C
Temperature of media from 0 to +80°C
Storage temperature from -40 to +80°C
Diaphragm material NBR acc. to DIN EN 549
Pressure connection Material: Messing oder Edelstahl
Thread: M10x1, G1/8, G1/4
Electrical rating Standard version: max. 6 (1,5) A / 250 VAC
Low voltage version: max. 100 mA / 24 VAC
Electrical connection Flachstecker 6,3×0,8 mm nach DIN 46244
Protection class IP44 / IP54 / IP65  depending on the used protection cap
P00 without protection cap
Protection class Protection class II is only met by using a protection cap from our accessories program. The pressure switch without protection cap is provided for installation in equipment. The construction of the equipment and the type of installation determine the protection class.
Type Setting range for upper switching point between Maximum positive working pressure Maximum negative working pressure
Standard/extended Standard/extended
901.61 5 and 20 mbar 0,5 bar 0 bar
901.62 10 and 50 mbar 0,5 bar 0 bar
901.63 25 and 100 mbar 0,5 bar 0 bar
901.64 50 and 250 mbar 1 bar 0 bar
901.65 100 and 500 mbar 1 bar 0 bar

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Beck 901 Prescal® Pressure switch for gas adjustable from 5 mbar to 500 mbar-DpstarGroup

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