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 C2h
Start
Large amount of liquid. Discharging pump starts.
Stop
Lower limit for discharging. Discharging pump stops.
Functions
Discharging-pump control
C2H
Pump control with one switching element.
C2Y
Pump control with two switching elements. Optionally, two high level alarms.
Charging-pump control
C2L
Pump control with one switching element.
C2A
Pump control with two switching elements. Optionally, two high level alarms.