K8AB-VS データシートの表示（PDF） - OMRON Corporation

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K8AB-VS

Single-phase Voltage Relay

OMRON Corporation 

Connections

■ Wiring Diagram

Overvoltage Operation Diagram

(Output Relay Drive Method: Normally

Closed)

DIP switch setting: SW3 ON.

Power supply

voltage

Operating 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

Operating value

Alarm indicator

Relay 11-14

Flashing

Lit

Hysteresis

(5% to 50% of operating value)

Relay 11-12

T T: Operating time (0.1 to 30 s)

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.

K8AB-VS

Single-phase power

A1

Power supply

voltage

A2

V1

Voltage input V2 COM

V3

14

Signal output

12

11

Relay

signal

output

Load

Note: There is no polarity when a DC current input is used.

5

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