At ACOWA, we specialize in building durable equipment to manage, monitor and move water. With more than 90 years of combined experience
in the water and wastewater industry, we have acquired the skills to complete projects successfully and at the agreed time and price.



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Industrivej 10, 8305 Samsø

+45 72 21 79 79


FROG – Float Switch is used as a high water level alarm in pump stations among other things

Long-lasting performance with the FROG - Float Switch

The FROG from ACOWA INSTRUMENTS is a standard float switch with a micro switch for either a Normally Open (NO) or a Normally Closed (NC) status signal. When it comes to efficient and reliable liquid level sensing, this float switch stands out as a top choice.

Firstly, one of the key advantages of the FROG is its exceptional durability. Constructed using high-quality materials, this switch is built to withstand harsh environments and extreme conditions. Consequently, it ensures long-lasting performance and reduces the need for frequent replacements or repairs.

Image of FROG - float switch used for level measurement of water
FROG - Float Switch from ACOWA INSTRUMENTS - kabel is made of durable material

FROG provides versatile use

Moreover, FROG offers versatility in use. E.g. FROG is used as a high water level alarm in pump stations, low water level alarm in clean water tanks, water on floor alarm, as a controlling switch for pumps and many other functions.

Also, this float switch is delivered in versions with a 10m or 20m fixed-mounted high-flexibility cable. A mounting bracket is included in both versions.

Read more about the FROG - Float Switch

Lastly, for more info about the FROG in a country near you, go to our:

Additionally, for danish speaking people – feel free to visit:

Image of FROG


Contact system Microswitch
Voltage Max 250V AC
Max. rated current 6A Resistive, 3A inductive
Pressure range 200kPA
Cable length 10m/20m
Largest diameter 99mm
Length of floating element 13mm, 19mm = 0,015% of FS at 25°C 16mm = Better than 2%
Temperature coefficient of span 140mm
Tilting material Polypropylene (PP)
Cable material PUR
Enclosure class IP68
Max. operating temperature +55°C
Buoyancy 6N
Certificate CE
Product number Description
FROG-10-PUR FROG float switch with 10m cable. NC + NO function
FROG-20-PUR FROG with 20m cable. NC + NO function
FROG weight Counterweight for FROG

ACOWA FROG is very flexible and is used in various applications, such as:

  • Pumping stations
  • Sewage treatment plants
  • Stormflow
  • Level Alarm
  • Reservoir and tanks

To see documentation – go to the Download Center

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