WIKA float switches are versatile, maintenance‑free level detection devices designed for point‑level monitoring in virtually all liquid media. Their operation is based on a float with a permanent magnet that moves with the liquid level. As the float rises or falls, it actuates a reed contact inside a guide tube through non‑magnetic walls, enabling contact‑free, wear‑free switching without requiring any external power supply.

These switches function reliably regardless of foaming, conductivity, dielectric properties, pressure, vacuum, temperature, vapors, condensation, or vibration, making them ideal for demanding industrial environments. WIKA offers models for vertical, horizontal, and lateral installation, with options for multiple switch points, temperature measurement, and intrinsically safe Ex‑i versions.