Solenoid switch, contact type normally open as reed contact RC27-S B0044.000389 (option -EA, -X2) suitable for all solenoid valves from 4.0mm valve stroke and externally controlled valves from nominal diameter DN13 mm. The signal is given by a permanent magnet which is connected to the sealing element (piston or diaphragm) via a spindle. This type of position indication is contactless. From 01.2022: RC27-S B0044.00038 replaces without exception the RC27-W contact type changeover contact B0044.000216. For further information please contact us.