Model RLS-3000

Float switch

For industrial applications, with temperature output

Selected documents
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    • Combined level and temperature measurement of liquids in machine building
    • Control and monitoring tasks for hydraulic power packs, compressors and in cooling systems

Special features

    • Media compatibility: Oil, water, diesel, refrigerants and other liquids
    • Level: Up to 3 switching outputs, freely definable as normally open, normally closed or change-over contact
    • Temperature: 1 bimetal temperature switch or Pt100/Pt1000, accuracy: Class B
    • Potential-free switching reed contacts


The model RLS-3000 float switch with temperature output combines the recording of the level and temperature of liquids in a single measuring point. The stainless steel used is suitable for a multitude of media, such as, for example, oil, water, diesel and refrigerants.

Measuring principle
A permanent magnet built into the float triggers, with its magnetic field, the potential-free reed contacts built into the guide tube. The triggering of the reed contacts by the permanent magnet is contact-free and thus free from wear.

Depending on customer wishes, the switching functions of normally open, normally closed or change-over can be realised for the defined liquid level.

The additional temperature output enables the medium temperature to be monitored by means of a preconfigured bimetal temperature switch or a Pt100/Pt1000 resistance signal.

With cable outlet and spherical float

WIKA - Level monitoring with float switch

  • With cable outlet and spherical floatWith circular connector M12 x 1 and
cylindrical floatWIKA - Level monitoring with float switch
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