K8AK Datasheet, PDF (26/88 Pages) Omron Electronics LLC – Measuring & Monitoring Relays

K8AK-VS
Connections
Wiring Diagram
●Overvoltage Operation Diagram
(Output Relay Drive Method: Normally Closed)
DIP switch setting: SW3 ON.
Power supply
voltage
Set value
Input
Hysteresis
(−5% to 50% of operating value)
Alarm indicator
Relay 11-14
Flashing
Lit
Relay 11-12
T: Operating time (0.1 to 30 s)
T
T1: Startup lock time (1 or 5 s)
T1
Note: The power ON lock prevents unnecessary alarms from being
generated during the instable period when the power is first
turned on. There is no relay output during timer operation.
●Undervoltage Operation Diagram
(Output Relay Drive Method: Normally Open)
DIP switch setting: SW3 OFF.
Power supply
voltage
Input
Set value
Alarm indicator
Relay 11-14
Flashing
Lit
Hysteresis
(5% to 50% of operating value)
Relay 11-12
T: Operating time (0.1 to 30 s)
T
T1: Power ON lock (1 or 5 s)
T1
Note: The power ON lock prevents unnecessary alarms from being
generated during the instable period when the power is first
turned on. There is no relay output during timer operation.
Single-phase power
A1
Power supply
voltage
A2
V1
Voltage input V2 _{C (COM)}
V3
14
Signal output
12
11
Relay
signal
output
Load
Note: There is no polarity when a DC current input is used.
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