K8AB-PH 데이터 시트보기 (PDF) - OMRON Corporation

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K8AB-PH

Phase-sequence Phase-loss Relay

OMRON Corporation 

Phase-sequence Phase-loss Relay

K8AB-PH

Three-phase Phase-sequence Phase-loss

Relay Using Voltage Detection Method

• Prevents reverse motor rotation due to incorrect wiring.

• Distinguishes between positive phases, reversed phases, and

phase loss when power is turned ON.

• Voltage detection method enables application for any load

current.

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

• Output status can be monitored using LED indicator.

Refer to Safety Precautions for the K8AB

Series. Refer to page 5 for the Q&A section.

CSM_K8AB-PH_DS_E_2_1

Model Number Structure

■ Model Number Legend

K8AB-@@

1 23

1. Basic Model

K8AB: Measuring and Monitoring Relays

2. Functions

PH: Phase-sequence Phase-loss Relay

3. Rated Input Voltage

1: 200 to 500 VAC

Ordering Information

■ List of Models

Phase-sequence Phase-loss Relay

Functions

Phase sequence and phase loss

monitoring

Rated input voltage (See note.)

Model

200 to 500 VAC

K8AB-PH1

Note: The power supply is shared with the rated input voltage.

1

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