Digital Smart Power

Voltage Protection Relay for Single & Three Phase Systems | GKM & GKT Series

Author: Site Editor     Publish Time: 2026-03-24      Origin: Site

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Reliable Voltage Protection for Every Power System

Voltage instability is one of the main causes of equipment failure in modern electrical systems.
The GKM & GKT Series Voltage Protection Relays are designed to protect electrical equipment from overvoltage and undervoltage conditions in both single-phase and three-phase systems.

With flexible configurations and optional phase sequence protection, this series provides a complete solution for residential, commercial and industrial applications.


Three Phase Voltage Protection Relay

GKM Series (3P4W Systems)

  • GKM-02-V2 / GKM-02F-V2

Optional:

  • Phase sequence protection (F models)

 Suitable for:

  • Motors

  • Pumps

  • Industrial equipment


Three Phase Voltage Protection Relay

GKT Series (3P3W Systems)

  • GKT-03-V2 / GKT-03F-V2

  • GKT-05-V2 / GKT-05F-V2

Optional:

  • Phase sequence protection (F models)

Suitable for:

  • Motors

  • Pumps

  • Industrial equipment


Key Features

Overvoltage & Undervoltage Protection

Adjustable protection thresholds ensure your system operates within a safe voltage range.


Phase Sequence Protection (F Models)

Detect incorrect phase sequence and prevent damage to motors and rotating equipment.


Adjustable Delay Control

Avoid nuisance tripping with configurable delay time settings.


Wide Application Compatibility

Supports both single-phase and three-phase systems across different regions.


High Reliability Design

Built for stable and long-term operation in industrial environments.


Application Scenarios

  • Residential electrical systems

  • Commercial facilities

  • ⚙️ Industrial automation

  • Pump and motor protection

  • Agricultural irrigation systems


Why Choose GKM & GKT Series

✔ Complete product coverage
✔ Flexible configurations with or without phase sequence
✔ Easy installation and setup
✔ Reliable protection for critical equipment


Smart Protection for Every Application

Whether you need protection for home appliances or industrial equipment,
the GKM & GKT Series provides a dependable and efficient solution.

Protect your system. Improve reliability. Reduce downtime.



Dongfeng Industrial Zone Yueqing, Zhejiang, 325604, P.R.China
Phone: +86-577-57171337 Fax: +86-577-57171336
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