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The pressure switches of Type 604 monitor filters and fans in ventilation ducts as well as air dampers in primary/secondary controls in Δp function. The series, divided into five pressure range gradations, impresses with extreme ease of installation, combination brackets, snap-on covers, and screw terminals. Unique is the high adjustment accuracy through individual scale engraving.
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Easy to install
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User-friendly snap closure for the cover
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Cable entry aid
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Cable strain relief integrated into PG11
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Combination bracket for vertical or horizontal mounting
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High adjustment accuracy through individual scale engraving per switch
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Long-term stable switching points through trapezoidal bead membrane
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Multilayer contact with gold plating
Product featurePressure measuring range0 ... 50 mbar (Relative and difference)Sensor weight143 g (With type C combination bracket)Field of applicationMediaAir; neutral gasMedium temperature-30 ... 85 °CPermissible overload on one side75 mbar (-30 ... 75 ºC); 50 mbar (-30 ... 85 ºC)Ambient conditionAmbient temperature-30 ... 85 °CStorage temperature-40 ... 85 °CMaterialHousing with media contactPC 10 % GFMeasuring element with media contactSilicone LSR (tempered at 200 °C, outgassing-free)Cover with media contactPCElectrical dataSwitching load5 A (at 250 VAC)Resistive switching load4 A (at 30 VDC)Inductive switching load0.8 A (at 250 VAC); 0.7 A (at 30 VDC)Switching load GAR Application1 A (at 250 VAC); 0.2 A (at 30 VDC)Contact systemChangeover switchLifespan>10000000 Schaltspiele (mechanical)Installation guideInstallation orientationany (Recommendation: Vertical, pressure connections downwards; factory adjustment); any (Recommendation: Horizontal, cover down; switching points are approx. 11 Pa lower than the set scale value); any (Recommendation: Horizontal, cover upwards; switching points are approx. 11 Pa higher than the set scale value)ApprovalULMFHX2/8 or XAAK2/8DVGWaccording to DIN EN 1854Low Voltage Directive2014/35/EUGas Appliances Directive2016/426/EU
Inquiry - Mechanical Differential pressure switch 604
