3 Phase Display Voltage Monitoring Relay GRV8-SN

GRV8-S is an intelligent relay that integrates three-phase voltage monitoring, data display, and protection control. It uses high-precision true effective value measurement technology to monitor the voltage status of the three-phase power supply system in real time. Combined with an intuitive LCD display screen, it provides a reliable voltage anomaly protection solution for industrial power systems, suitable for various automation control scenarios that require voltage safety assurance.

Advantages of GRV8-S Three phase Voltage Monitoring Relay with Display:
1. Intelligent monitoring: Integrated self diagnostic function, real-time monitoring of relay working status, improving system maintenance efficiency.
2. Human computer interaction optimization: intuitive interface design reduces operational barriers and simplifies on-site debugging processes.
3. High adaptability: Compatible with a wide voltage range and supports multiple wiring modes, suitable for complex industrial environments.
4. Space efficiency: Ultra thin design optimizes cabinet layout, suitable for high-density installation scenarios.
5. Reliable protection: Multiple voltage fault protection mechanism reduces the risk of equipment damage.
GRV8-S Three phase Voltage Monitoring Relay with Display Product Features:
1. High precision true effective value measurement
Using true RMS (TRMS) measurement technology to accurately reflect the actual waveform of voltage and effectively deal with harmonic interference,
Monitoring data reliability.
2. Multi functional LCD display
Built in LCD display screen, real-time display of voltage values, status indicators, and fault types for each phase, facilitating quick on-site diagnosis and parameter setting.
3. Flexible system adaptability
Supports two wiring modes: three-phase three wire (3P3L) and three-phase four wire (3P4L), and can be adapted to various rated voltage systems (such as 220V, 380V, etc.).
4. High measurement accuracy
Voltage measurement error ≤ 1%, meeting the accuracy requirements for voltage monitoring in precision industrial scenarios.
5. Compact structural design
The module width is only 36mm and supports standard 35mm card rail installation, saving control cabinet space and improving system integration.
Application of GRV8-S Three phase Voltage Monitoring Relay with Display:
1. Three phase power supply overvoltage/undervoltage protection
Real time monitoring of voltage fluctuations in the power grid, triggering alarms or disconnection instructions in case of overvoltage, undervoltage, or voltage imbalance, to ensure the safe operation of electrical equipment.
2. Equipment reverse operation protection
By using the phase sequence monitoring function, mechanical damage or safety accidents caused by reverse power supply in rotating equipment such as motors can be prevented.
3. Dual power switching control
Automatic switching system for normal power supply and emergency power supply (such as generators), ensuring power continuity.
4. Power load phase failure protection
Accurately detect phase loss faults in three-phase systems, promptly cut off power, and avoid motor burnout or production line shutdown losses.