The weka 37557/5 magnetic switch is mounted outside the float chamber opposite the indicator guide.
Its switching logic can be reversed by flipping the cable outlet upwards or mounting the switch module near the authorized indicator rail. When the liquid in the float chamber reaches the set level, the magnet in the float triggers the reed switch.
It has a switching time of approx. 5ms and bounce time of approx. 0.5ms, with IP68 protection. The housing is 316/316L stainless steel, the cable gland is nickel-plated brass, suitable for 3–6mm LiYY grey cable (2×0.50mm² cores, colors WH/BN), ideal for reliable liquid level monitoring in industrial applications.