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Cat. No. N142-E1-02
Single-phase Current Relay
K8AB-AS
1
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) supported.
• Commercial CT input signal (0 to 1 A, 0 to 5 A) supported.
• Output status can be monitored using LED indicator.
Model Number Structure
■
Model Number Legend
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
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2 3
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K8AB-
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