Ideal for Liquid Level Control in Industrial Facilities and Equipment.

• Self-holding circuit implemented with circuit processing that is not depending on external wiring.

• Switch between water supply and discharge with a DIP switch setting.

• Sensitivity adjustment of operating resistance from 10 k to 100 kΩ for application to a wide range of liquids.

• Prevents chattering of relay contacts that occurs with ripples.

• Easy wiring with ferrules.

• Use 2 × 2.5 mm2 solid wire or 2 × 1.5 mm2 ferrules.

• Applicable as a floatless switch.



(Unit: mm)

Conductive Level Controller


K8AK-LS Dimensions 2

Optional Parts for DIN Track Mounting

DIN Tracks

K8AK-LS Dimensions 4

* Dimensions in parentheses are for the PFP-50N.