Smart Three-Phase Voltage and Current Protection Relay – 3-Phase Energy Meter – 380V AC with LCD Display, Remote & Voice Control
This advanced three-phase protection relay is designed to monitor and safeguard your electrical system from abnormal voltage, current, and temperature conditions. With support for AC380V and adjustable parameters across voltage, current, delay times, and temperature thresholds, this device is perfect for industrial and commercial installations where equipment safety is essential.
Equipped with LCD display, remote control functionality, and voice control compatibility, this smart relay can be adjusted with precision. The device ensures comprehensive protection from overvoltage, undervoltage, overcurrent, temperature rise, current imbalance, and lost phase events – all fully adjustable via intuitive controls.
Key Features
- Rated Voltage: AC380V, 50Hz/60Hz
- Remote Control, Voice Control, and Device Sharing Support
- LCD Display for Real-Time Monitoring
- DIN Rail Compatible
Adjustable Protection Parameters
- Upper Voltage Limit: 120–300V (Default: 275V)
- Lower Voltage Limit: 80–210V (Default: 175V)
- Upper Current Limit: 1–100A (Default: 80A)
- Lower Current Limit: 1–100A (Default: 10A)
- High Temperature Alarm: 10–85°C (Default: 85°C)
- Overcurrent Recovery Power-On Delay: 1–9999s (Default: 20s)
- Overcurrent Threshold Time: 1–999s (Default: 5s)
- Voltage Event Power-On Delay: 1–9999s (Default: 20s)
- Voltage Event Threshold Time: 1–9999s (Default: 3s)
- Three-Phase Current Imbalance Alarm: 10–100% (Default: 20%)
- Voltage Phase Imbalance Alarm
- Lost Current Recovery Delay
- Lost Flow Event Time Threshold
- Power Display Range: 0–9999999.9 kWh
- Reclosing Allowed Times: 1–30 (Default: 1)
- Reclose Recovery Time: 1–99s (Default: 1s)
- Power-On Delay Time: 1–9999s (Default: 5s)
Applications
- Factory and workshop equipment protection
- Three-phase distribution panels
- Industrial machine safety monitoring
- Remote control energy systems with protection logic
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