K8AB-AS 데이터 시트보기 (PDF) - OMRON Corporation

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K8AB-AS

Single-phase Current Relay

OMRON Corporation 

Single-phase Current Relay

K8AB-AS

Ideal for current monitoring for industrial

facilities and equipment.

• Monitor for overcurrents or undercurrents.

• Manual resetting and automatically resetting supported by one

Relay.

• Startup lock and operating time can be set separately.

• One SPDT output relay, 6 A at 250 VAC (resistive load).

• Output relay can be switched between normally open and

normally closed.

• Process control signal (4 to 20 mA) and commercial CT input

(0 to 1 A or 0 to 5 A) supported.

• Output status can be monitored using LED indicator.

• Inputs are isolated from the power supply.

Refer to Safety Precautions for the K8AB

Series. Refer to page 9 for the Q&A section.

CSM_K8AB-AS_DS_E_5_1

Model Number Structure

■ Model Number Legend

K8AB-@@

1 23

4

1. Basic Model

K8AB: Measuring and Monitoring Relays

2. Functions

AS: Single-phase Current Relay (One-sided operation)

3. Measuring Current

1: 2 to 20 mA AC/DC, 10 to 100 mA AC/DC, 50 to 500 mA AC/DC

2: 0.1 to 1 A AC/DC, 0.5 to 5 A AC/DC, 0.8 to 8 A AC/DC

3: 10 to 100 A AC, 20 to 200 A AC (See note.)

Note: The K8AB-AS3 is specially designed to be used in combination with the OMRON K8AC-CT200L Current Transformer (CT). (Direct input is

not possible.)

4. Supply Voltage

24 VAC/DC: 24 VAC/DC

100-115 VAC: 100 to 115 VAC

200-230 VAC: 200 to 230 VAC

1

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