Omron K8AB-AS Product Manual

Single-phase Current Relay
K8AB-AS
Ideal for current monitoring for industrial
heaters and motors.
• 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).
• Switch the output relay between normally ON and normally OFF
operation.
• Process control signal (4 to 20 mA) and commercial CT input (0
to 1 A or 0 to 5 A) supported.
• Relay warning status easily monitoring using LED indicator.
• Easy wiring with ferrules
2 × 2.5 mm solid or 2 × 1.5 mm
2
• CE mark compliance certified by third party.
UL certification pending.

Model Number Structure

■ Model Number Legend
K8AB-@@
1 2 3 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 VDC: 24 VDC
24 VAC: 24 VAC
100-115 VAC: 100 to 115 VAC
200-230 VAC: 200 to 230 VAC
Cat. No. N142-E1-01
2
standard ferrules.
Single-phase Current Relay
K8AB-AS
1