The KA series Cable Suspended Float Switch has options that allow you to replace up to four
single level oat switches with one 4-point level switch. With PVC, Aton rubber and Teon cable
options, the KA offers high chemical compatibility and durable components built to outlast any other.
Kari oat switches utilize high performance miniature switches.
Features
• Mercury and Lead free
• Highly chemical resistant
• Proven reliability in operation
• Cost effective
Automation Products Group, Inc. www.apgsensors.com
tel. 888.525.7300 sales@apgsensors.com
Page 2
KA Specications
APG
Standard Series
4.0”
100 mm
6.1”
155 mm
6.70”
170 mm
2.25”
55 mm
Performance
• Switching Differential:
Min: 10 in. - Max: 50 in.
(<10 in. or >50 in. consult factory)
Automation Products Group, Inc. www.apgsensors.com
tel. 888.525.7300 sales@apgsensors.com
2
Physical
• Minimum Fluid Specic Gravity:
0.7 for Standard oat
0.95 for Mini oat
• Standard Cable Lengths:
5m (16 ft)
15m (49 ft)
• Weight: 0.75 lbs
• Float - Polypropylene
• Cable
PVC
Polyeurethane
Aton® rubber
Teon® (PTFE)
TPU
Page 3
Options
APG
Part Number: KA - _____ - _____ - _____ - _____
A B C D
A. Model and Function
□ 1L Low Alarm
□ 1H High Alarm
□ 1C High / Low Alarm
□ 1LE Dual Low Alarm
□ 1HE Dual High Alarm
□ M1L Low Alarm (Mini)
□ M1H High Alarm (Mini)
□ M1C High / Low Alarm (Mini)
□ 2HL High and Low Alarm
□ 2L Hysteresis Fill Control (pump Up)
□ 2H Hysteresis Empty Control (Pump Down)
□ 2Y Empty Control (Pump Down)
□ 2A Fill Control (Pump Up)
□ M2AY High and Low Alarm
□ M2L Hysteresis Fill Control (Pump Up)
□ M2H Hysteresis Empty Control (Pump Down)
□ 3L Hysteresis Fill + Low Alarm
□ 3H Hysteresis Empty + High Alarm
□ 3LE Hysteresis Fill + Isolated Low Alarm
□ 3HE Hysteresis Empty + Isolated High Alarm
□ 3Y39 Lead/Lag Pump Control + High and Low Alarm
□ 3Y Empty Control + High Alarm
□ 3A Fill Control + Low Alarm
□ 3AE Fill Control + Isolated Low Alarm
□ 3YE Empty Control + Isolated High Alarm
□ 4A Fill + High and Low Alarm (5 conductor)
□ 4L Hysteresis Fill + High and Low Alarm (4 conductor)
□ 4Y Empty + High and Low Alarm (5 conductor)
□ 4H Hysteresis Empty + High and low Alarm
(4 conductor)
□ 4L5E Duplex Pump Fill + Isolated Low Alarm
□ 4H5E Duplex Pump Empty + Isolated High Alarm
□ 4Y39 Lead/Lag Pump Control + High and Low Alarm
B. High Temperature Option
□ (Null) Standard 140ºF (60ºC)
□ K High Temperature 180ºF (80ºC)
C. Cable Option
□ (Null) PVC
□ R Ployeurethane
□ AATON
□ T Teon
®
rubber
®
(PTFE)
□ N TPU
D. Cable Length
□ (Null) 16 ft. (5 m) cable standard
□ L_ (specify in meters)
KA Accessories
Please order separately, by part number.
DescriptionPart Number
Kari A weight - PVC covered 3/4lb (400g)22039
Kari B weight - PVC covered 1 1/2lb (800g)22040
Kari C weight - PVC covered 2 1/4lb (1Kg)22042
Hanging clamps, polypropylene22041
Wedge polypropylene22840-0025
Automation Products Group, Inc. www.apgsensors.com
tel. 888.525.7300 sales@apgsensors.com
3
Page 4
Model Selection Table
Model 1LEModel 1HE
Dual Low
Alarm
Dual High
Alarm
3,41,23,41,2
4 Conductors4 Conductors
KA-1
Model 1L or M1LModel 1H or M1HModel 1C or M1C
2 Conductors
1,2
2 Conductors3 Conductors
1,2
1,3
1,2
KA-2
Number
of Wires
Contained
in Cable
Model
Function
KEY
3 Conductors
1-2
Contact Wire Numbers
White = Contact Open
Switch or Fill Level Point
LO
Arrow = Hysteresis
N.C.N.C. = Normally Closed
Low Alarm
Black = Contact Closed
N.O. = Normally Open
Normally
Closed
Model 1LEModel 1HE
4 Conductors4 Conductors
3,41,23,41,2
Dual Low
Alarm
KA-3
Model KA-3L
3 Conductors
O
On
N.C.N.C.
Fill Control
with Hysteresis
On
Low
Alarm
Model KA-3H
3 Conductors
1,21,33,41,2
Normally
Open
Dual High
Alarm
On
with Hysteresis
On
Model KA-3LE
4 Conductors
1,23,41,21,3
O
N.C.N.C.
Fill Control
Model KA-3HE
4 Conductors
Single Pole, Double Throw
Isolated
Low Alarm
MULTI LEVEL
Model 2HL or M2AY
3 Conductors
1,2
N.O.N.C.
High
Alarm
Model KA-3A
4 Conductors
1,31,3
O
On
N.C.N.C.
N.C.
Model KA-3Y
4 Conductors
1,21,4
Low
Alarm
Fill Control
1,3
On
HH
H
L
LL
1,3
Low
Alarm
Model KA-3AE
5 Conductors
1,24,51,21,4
O
On
N.C.N.C.
N.C.
Fill Control
1,3
On
Model KA-3YE
5 Conductors
Isolated
Low Alarm
Model 2A or M2A
3 Conductors
1,3
1,2
O
On
N.C.
N.C.
Fill Control
Model 2Y or M2Y
3 Conductors
1,2
1,3
On
O
N.O.
N.O.
Empty Control
4,51,2
Model 2L or M2L
2 Conductors
1,2
O
On
N.C.
Fill Control
with Hysteresis
Model 2H or M2H
2 Conductors
1,2
On
O
N.O.
Empty Control
with Hysteresis
O
N.O.N.O.N.O.N.O.
Empty Control
with Hysteresis
High
Alarm
Empty Control
with Hysteresis
O
Isolated
High Alarm
O
N.O.
N.O.N.O.
Empty Control
High
Alarm
KA-4
MULTI LEVEL
Model 4Y39
5 Conductors
1,41,5
1,2
1,3
N.O.N.O. N.O.
N.O.
Four Normally Open Switches
N.O.N.O.
Empty Control
Model 4A
5 Conductors
1,31,21,5
On
O
N.C.N.O.N.C.
N.C.
Fill
Control
Model 4Y
5 Conductors
1,2 1,3 1,5 1,4
N.O. N.O. N.O. N.C.
Empty
Control
O
N.O.
Isolated
High Alarm
1,4
On
High, Low
+
Alarm
High, Low
++
Alarm
Control
On
Empty
Control
Model 4L
4 Conductors
1,31,21,4
O
N.C. N.C. N.O.
Fill
High, Low
+
Alarm
Model 4H
4 Conductors
1,3
O
N.O. N.C. N.O.
High, Low
Alarm
Model KA-4L5E
5 Conductors
1,2
On #1
On #2
N.C.N.C.
Duplex Pump FillIsolated
Model 4H5E
5 Conductors
1,41,2
1,3
On #2
N.O.N.O.
Duplex Pump EmptyIsolated
1,2
On #1
N.O.
4,51,3
O
N.C.
Low Alarm
4,5
O
High Alarm
Page 5
Page 6
APG
KA Series Multi-Level Float Switch
Up to Four Switch Points in One Float
The KA float switches’ revolutionary design incorporates up to four
switch points in a single float. This means that a lift station with
four float switches can replace them all with just one KA float.
Stop dealing with tangled cables, and frequent replacements. The
KA float switches do more with less, and last longer than any other
float on the market.
Give us a call at (888) 525-7300 to learn more.
One Float Switch - Four Switch Points
Up to four switches in one float
No more tangled cables
Easier installation and maintenance
APG
R
Intrinsically Safe
KA float switches are simple devices
Just add an intrinsically safe barrier
Longest Lasting
High chemical compatibility
Extremely durable build
Built-in Hysteresis
Mechanical hysteresis avoids “chatter”
Simplify panel design
Can work independent of any control system
Perfect for back-up pump control
Multiple Configurations
We have a model that fits your panel design
1-4 switch points to meet your application needs
Normally open, normally closed, and hysteresis options
No Lead, No Mercury
Both the switch and the weight are lead and mercury free
Automation Products Group, Inc. www.apgsensors.com
tel. 888.525.7300 sales@apgsensors.com
6
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