Solar Water Pumps
Bombas de Agua Solares
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Grundfos: SQFlex Water Level Switch
SQFlex Water Level Switch
Grundfos: SQFlex Control Box
CU200 SQFlex Control Box,
Solar/Wind Monitor with Float Switch
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Pumps Controllers and Level Switch
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Grundfos Controllers and accessories
The float switch regulates the liquid level in tanks, wells, etc. and
is used for automatic level control in combination with
groundwater, wastewater and sewage pumps, for raw water and
liquid transfer pumps at waterworks, and for high water alarm
etc. The float switches are of the non-mercury type and are
available for standard pumps and explosion-proof pumps. The
latter has a blue cable which is connected for explosive
environments via intrinsically safe relays. Due to the chemical
and thermal properties of the water-proof polypropylene housing
as well as the thermoplastic rubber cable, the float switch is
resistant to alcohol, uric acid, faecal sewage water, oils, petrol,
fruit acid, etc. and even to many chemicals.

Features of the Grundfos SQF Low Level Float Switch for CU200

  • Used with the Grundfos CU-200 controller
  • The float switches can be used:

  1. In connection with emptying a tank
  2. In connection with filling a tank
  3. For alarm at high water level
  4. For alarm at low water level

  • The microswitch, fitted in a dual-chamber system, is
    completely shock- and rupture-proof.
  • The drop shape of the stabilizing weight eccentrically
    mounted in the housing makes the float switch
    insensitive to turbulence.
  • Due to the smooth and non-porous polypropylene surface
    impurities cannot adhere and rags, papers and other
    solid matter slip off without influencing the lift of the float
  • The cable entry is sealed mechanically and fitted with a
    solid strain relief. A separate chamber in the cable entry is
    filled with a synthetic resin assuring no penetration of
    humidity. The cable is stripped before the conductors are
    embedded in the synthetic resin.
  • The highly flexible thermoplastic rubber cable has an
    extremely high mechanical load rating.
Grundfos SQF IO 50 Disconnect Box
Manual Switch
Grundfos: SQFlex Generator
Interface Box
IO 101 SQFlex Generator Interface