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Pressure switch MDR 3

Pressure switch MDR 3
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3-phase Switching capacity 7.5 (11) kW / 20 HP /Available with overload relay Max. cut-out pressure 35 bar 3-pole (N.C.) Acc. to EN 60947 uL / CsA-approval optional Flange = die-cast aluminium Available with scale Available with auxiliary switch order reference Unloader valves and cable glands for retrofitting, see accessories! High performance Pressure switches Type overview Pressure switch MDR 3 RM versions, with roller diaphragm - tight pressure differential, extended medium resistance Unloader valves and cable glands for retrofitting, see accessories!

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Diaphragm media resistance MDR 3 A detailed overview of diaphragm media resistance for all pressure switches can be found on page 22. Please read the information carefully. Diaphragm media resistance MDR 3 USA A detailed overview of diaphragm media resistance for all pressure switches can be found on page 22. Please read the information carefully. *) with Arc-chamber SK..H on request

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(Use only with MDR-3..E/A and RU 3/400-50; article-nr. description Installing the DPA - circuit board onto MDR 3, the pressure switch offers the following additional functions: ■ Phase sequence control ■ Phase failure detection ■ supervision of an external opener possible, e. g. Klixon for temperature ■ supervision (clamp tension < 230 V) ■ Undervoltage release For all functions the neutral conductor is not necessary. In case of malfunction the pressure switch will be switched off. Only upon solving the malfunction, the pressure switch can be switched on again. Field of application:...

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Pressure switch MDR 3 Accessories MDR 3 1 up to < 16 bar 2) only for pneumatic tubes with outside tolerances according to e. g. Festo PAN 6x1mm

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High performance Pressure switches Unloader valves / Delayed unloader valves Wall-mounting bracket, 3-pole overload relay, undervoltage and shunt releases

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