New Product

1

Single-phase Current Relay

K8AK-AS

Ideal for Current Monitoring for

Industrial Facilities and Equipment.

• Monitor for overcurrents or undercurrents.

• Use commercially available CTs (CT current on secondary

side: 0 to 1 A or 0 to 5 A).

• Manual resetting and automatically resetting supported by one

Relay.

• Startup lock and operating time can be set separately.

• One SPDT output relay, 5 A at 250 VAC (resistive load).

• Output relay can be switched between normally open and

normally closed.

• Output status can be monitored using LED indicator.

• Inputs are isolated from the power supply.

Ordering Information

List of Models

*1 The K8AK-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

●Commercially Available CTs*

* If you use a commercially available CT, do not exceed the overload

capacity of the K8AK-AS2.

Refer to Safety Precautions on page 9.

Refer to page 8 for commonly asked questions.

For the most recent information on models that have been certified for

safety standards, refer to your OMRON website.

Setting range

Power supply voltage

Model

2 to 20 mA AC/DC,

10 to 100 mA AC/DC,

50 to 500 mA AC/DC

24 VAC/DC

K8AK-AS1 24 VAC/DC

100 to 240 VAC

K8AK-AS1 100-240 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

K8AK-AS2 24 VAC/DC

100 to 240 VAC

K8AK-AS2 100-240 VAC

10 to 100 A AC*,

20 to 200 A AC*

24 VAC/DC

K8AK-AS3 24 VAC/DC

100 to 240 VAC

K8AK-AS3 100-240 VAC

Appearance

Input range

Applicable

Relay

Model

10 to 100 A AC,

20 to 200 A AC

K8AK-AS3

K8AC-CT200L

Appearance

CT current on secondary

side

Applicable Relay

0 to 1 A AC,

0 to 5 A AC

K8AK-AS2