WIKA Float Switch (HLS-M)

For horizontal installation, miniature design


  • Level monitoring and level indication of liquids
  • Level detection for almost all liquid media
  • Pump and level control
  • Alarm signals
  • Dry-run and overflow protection

Special features

  • Lateral installation in the tank
  • Operating limits:- Operating temperature: T = -40 … +120 °C- Operating pressure: P = 5 bar
    – Limit density: ρ ≥800 kg/m3
  • Plastic and stainless steel versions
  • Space-saving installation
  • Switch consists of only one component

Sales Contact (Wika.sales@asyatrafo.com)

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With its compact design, the model HLS-M float switch for horizontal installation in miniature design is ideally suited for use in small tanks, for indicating minimum/maximum levels.

The float is attached to a supported, swivelling lever and moves with the level of the medium being measured. By means of a permanent magnet, when a preset switch point is reached, a reed contact (inert gas contact) is actuated.

By using a magnet and reed contact the switching operation is non-contact, free from wear and needs no power supply. The contacts are potential-free.


The switching function refers to a rising liquid level: Standard use as normally open contact (can be used as normally closed contact by a 180° rotation).

The float switch is simple to mount and maintenance-free, so the costs of mounting, commissioning and operation are low.


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