Model T200.F / ET-520, ET-521 T208.F / ET-520, ET-521 - Level Sensor Overfill Cut Out Devices
From Level Sensor Overfill Cut-Out-Devices
Level sensors type T-20_.F...(24 V) are approved by the DIBt (German Institute for Structural Engineering) as liquid level limit switches for the overcharge protection of containers for storing water-dangerous liquids. The floater switches the reed contact in the guide tube when the liquid level rises. The change in resistance in the sensor circuit of the contactor relay KR-24V resulting from the switching operation is evaluated and the output relay triggered. Parts of the level sensor which get into contact with the media are completely made of PE / PP / PVC / PVDF. So the level sensors T-20_.F...(24 V) are perfectly suited for being used with tanks for storing highly aggressive media. The evaluation device ET-520 [KR-24V] or ET-521 [KR-24V] is installed directly in the connection head.
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