Omron K8AK-LS, Manual

New Product

1

Conductive Level Controller

K8AK-LS

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 to 100 k

Ω

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 mm

2

 solid wire or 2 

×

 1.5 mm

2

 ferrules.

• Applicable as a floatless switch.

Ordering Information 

Accessories (Order Separately)

●

Electrode Holders/Underwater Electrodes

●

Electrode Rods

Electrode Rods are available in sets with the connection nuts, lock nuts, and tightening screws.

●

Others

Refer to 

Safety Precautions

 on page 7.

For the most recent information on models that have been certified for 
safety standards, refer to your OMRON website.

Power supply voltage

Model

24 VAC/DC

K8AK-LS1 24 VAC/DC

100 to 240 VAC

K8AK-LS1 100

−

240 VAC

Application

For general-pur-
pose use, such as 
water supply lines

For areas with 
limited space

For liquids with 
low resistance

When mounting 
strength is re-
quired

For resistance to 
high-temperature 
or high-pressure 
liquids

For resistance 
against corrosion

For installation at 
long distances 
from the liquid level

Model

PS-3S/-4S/-5S

PS-31

SUS304, 300 mm

BF-1

BF-3/-5

BS-1

BS-1T

PH-1/-2

Appearance

SUS

HAS

titani

u

m

PH-1

PH-2

Application

Purified water service, industrial water, and sewage

Purified water service, industrial water, sewage, and weak 
alkaline solutions

Model

F03-60 SUS304

F03-60 SUS316

Item

Model

F03-11

F03-12

F03-14 1P (one pole)
F03-14 3P (three poles)
F03-14 5P (five poles)

Protective Cover 
(Electrode Holders for the PS 
or BF Series)

Mountin

g

 Piece 

(Electrode Holder for the PS Series)

Separator (to prevent contact between electrodes)