FLOAT LEVEL SW
3F5A0343

Float Level Switch

Float level switches work by using a buoyant float that moves up and down with the liquid level.  This movement then actuates a switch, either directly or through a magnetic mechanism, to signal whether the liquid level is above or below a certain point. 

A float switch definition is: It is a type of contact liquid level sensor which uses a float to operate a switch within a tank. This switch is also known as a level sensor. These switches play a key role in controlling other devices like pump & alarms when a level of liquid increases or drops to a particular point. These switches range from small sizes to large sizes. Float switches come in two different styles: magnetic(Electromagnetic) and Mechanical float type.

Construction of Float Switch

Features

  • Simple & low-cost mounting.
  • Doesn’t require an auxiliary power supply.
  • It can be used for any kind of liquids like Acids, Chemicals, etc.
  • Potential-free and switching voltage up to 230V.
  • Surface disturbances like bubbling, foaming, and ripples will not affect its performance.
  • It can be used with a temperature sensor or temperature switch.
  • The fluid conductivity & Dielectric constant will not affect operation.

Specifications

Sensor Output 3A to 10A Potential Free Contact
Sensing Output Nos. 1 Nos. to 4 Nos.
Connection Thread, Flange, Try Clamp
Sensor MOC SS304, SS316, PP, PTFE
Sensor Mounting Top / Side Mount
Operating Temperature  up to 60’C

Drawings

As Per Application.

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Application Notes

  • This switch is used to turn ON and OFF a pump or open or close an electronic valve.
  • This switch activates tank level alarms to protect & inform of a possible hazardous spill.
  • This switch is used to protect heaters and also other equipment from severe injuries and dangerous situations.
  • This switch is very helpful in monitoring the level of liquid within different industrial & residential applications and is normally connected to a valve or pump or an alarm to inform a user.
  • Industrial washers use these switches for monitoring the washer water level.
  • Air conditioning & refrigerant use these switches for controlling the water levels.
  • These switches are used in the beverage industry for filling or emptying the beverage tanks.
  • Water tank float switches can help in water level control for potable water, rainwater, wastewater, and sewage application. This pump switches on/off with the rise/fall of the float switch in the water.
  • These are used in sump pumps & sewage pits can sense and activate a pump to avoid increasing water levels.