KEY-5 Liquid Float Level Switch

The Apure KEY-5 is a float-operated switch for point-level detection. Use the change of contact state for a high- or low-level signal in a compatible control circuit.

  • Point-level switching
  • Float-operated contact
  • High- or low-level control input

Switching at a level point

The float moves as the liquid rises or falls and actuates a switch through the magnetic mechanism. Check the mounting position and free movement of the float. Confirm the actual switching and reset levels with the supplied assembly.

Contact and load selection

Use the supplied wiring diagram to identify the contact state and terminal connections. Confirm ratings for the supply voltage, load type and starting current. Use a suitable interface relay or contactor when the connected load requires one. Choose a position where obstructions, buildup or turbulence will not prevent the float from moving.

These values retain the previous specification. Verify contact ratings for the intended load and check the applicable temperature, pressure and medium. Confirm what the listed accuracy represents for the switching and reset points.

BrandApure
ModelKEY-5
Rating current and voltage10(8A) 250V-10(4A) 380V
Rating power1Kw
Working temperature-20~170℃
Accuracy+/-0.05m
Working pressure1 atm
MediumRinsing; sewage; oil