K8AB-PH View Datasheet(PDF) - OMRON Corporation
Part Name
Description
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K8AB-PH Datasheet PDF : 6 Pages
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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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