OMRON Power Other Measurement & Monitoring Relay K8AB Series K8AB-PH Data Sheet
Summary
This specialized three-phase relay provides essential monitoring for industrial electrical systems, protecting equipment from phase loss, incorrect sequence, or fixed asymmetry using advanced voltage detection. Ideal for engineers and control system integrators, it ensures reliable operation by detecting power faults regardless of the attached load current. The manual offers comprehensive details on ratings, wiring, installation procedures, and operational specifications to ensure safe integration into demanding commercial and industrial environments.
Page 1 Text Content
New Product
Phase-sequence Phase-loss Relay K8AB-PH1 Three-phase Phase-sequence Phase-loss Relay Using Voltage Detection Method Fixed phase Asymmetry monitoring 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.
Model Number Structure Model Number Legend K8AB-@@@
1. Basic Model 3. Rated Input Voltage K8AB: Measuring and Monitoring Relays 1: 200 to 500 VAC 2. Functions PH: Phase-sequence Phase-loss Relay
Ordering Information List of Models Phase-sequence Phase-loss
Functions Rated input voltage * Model
Relay
Phase sequence and phase loss
200 to 500 VAC K8AB-PH1
monitoring
The power supply is shared with the rated input voltage.
Page Summary Contents For OMRON Power Other Measurement & Monitoring Relay K8AB Series K8AB-PH Data Sheet
Manual Details
| Brand | Measurement |
|---|---|
| Pages | 8 |
| File Size | 639.96 KB |
| Published | June 05, 2026 |
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