Ordering Information
K8AB-AS
■ List of Models
Single-phase Current Relay Measuring current
Supply voltage
Model
2 to 20 mA AC/DC,
10 to 100 mA AC/DC,
50 to 500 mA AC/DC
24 VAC/DC
100-115 VAC
200-230 VAC
K8AB-AS1 24 VAC/DC
K8AB-AS1 100-115 VAC
K8AB-AS1 200-230 VAC
0.1 to 1 A AC/DC,
0.5 to 5 A AC/DC,
0.8 to 8 A AC/DC
24 VAC/DC
100-115 VAC
200-230 VAC
K8AB-AS2 24 VAC/DC
K8AB-AS2 100-115 VAC
K8AB-AS2 200-230 VAC
10 to 100 A AC,
20 to 200 A AC
(See note.)
24 VAC/DC
100-115 VAC
200-230 VAC
K8AB-AS3 24 VAC/DC
K8AB-AS3 100-115 VAC
K8AB-AS3 200-230 VAC
Note: The K8AB-AS3 is designed to be used in combination with an OMRON K8AC-CT200L Current Transformer (CT). (Direct input is not
possible.)
■ Accessory (Order Separately)
OMRON CT
Current Transformer
Input range
10 to 100 A AC,
20 to 200 A AC
Applicable Relay
Model
K8AB-AS3
K8AC-CT200L
Other CTs
CT current on secondary side Applicable Relay
0 to 1 A AC,
0 to 5 A AC
K8AB-AS2
Ratings and Specifications
■ Input Range
Model
K8AB-AS1
K8AB-AS2
K8AB-AS3
Range*
0 to 20 mA AC/DC
0 to 100 mA AC/DC
0 to 500 mA AC/DC
0 to 1 A AC/DC
0 to 5 A AC/DC
0 to 8 A AC/DC
0 to 100 A AC
0 to 200 A AC
Connection terminal
I1-COM
I2-COM
I3-COM
I1-COM
I2-COM
I3-COM
I2-COM
I3-COM
Measuring current
2 to 20 mA AC/DC,
10 to 100 mA AC/DC,
50 to 500 mA AC/DC
0.1 to 1 A AC/DC,
0.5 to 5 A AC/DC,
0.8 to 8 A AC/DC
10 to 100 A AC,
20 to 200 A AC
(See note.)
Input impedance
Approx. 5 Ω
Approx. 1 Ω
Approx. 0.2 Ω
Approx. 0.12 Ω
(Load: 0.5 VA)
Approx. 0.02 Ω
(Load: 1.5 VA)
Approx. 0.02 Ω
(Load: 3 VA)
Using OMRON CT
Using OMRON CT
Overload capacity
Continuous input:
120% of maximum input
1 s max.:
150% of maximum input
Continuous input:
120% of maximum input
30 s max.:
200% of maximum input
1 s max.:
600% of maximum input
Note: The K8AB-AS3 is designed to be used in combination with an OMRON K8AC-CT200L Current Transformer (CT). (Direct input is not
possible.)
* The range is selected using connected terminals.
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