Kari float switch
C3H | C3L | C3HE | C3LE

The KARI Float Switch is a control device for charging and discharging pumps and motor and magnetic valves. It is also an alarm device that alerts the user at specified surface levels. SGS FIMKO Oy (the Finnish Electrical Inspectorate) has performed testing in accordance with the Low Voltage Directive (LVD) and approved the KARI Float Switch for use in non-flammable liquids at 250 volts.

An example of operation of the model C3h


High level alarm

Issued when the level of liquid gets too high, or initiates valve discharging when, for example, the pump is out of order.



Large amount of liquid. Discharging pump starts.



Lower limit for discharging. Discharging pump stops.


Discharging-pump control

C3H Discharging-pump control + high level alarm.
C3HE Discharging-pump control + isolated high level alarm.

Charging-pump control

C3L Charging-pump control + low level alarm.
C3LE Charging-pump control + isolated low level alarm.

Other information (download manual pdf)

Circuit diagrams


Download manual (pdf)


Download brochure (pdf)

Technical information
Operating curve
Installation and adjustment

Order code

Tilauskoodi C3H C3L C3HE C3LE ENG

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