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Imagine a control panel where three digital displays show real-time voltage status, while you can monitor and manage the system remotely via a Wifi app. The Smart Wifi Single Phase Three Display Overvoltage And Undervoltage Protector combines intelligent protection with connectivity, giving you unprecedented control over your power environment.
This protector is designed to safeguard sensitive electronics, appliances, and motors from both overvoltage and undervoltage conditions that could otherwise degrade performance or cause premature failure. Its high-speed microprocessor monitors voltage fluctuations in milliseconds, disconnecting the load before damage occurs. Once the voltage stabilizes, it automatically reconnects the circuit, ensuring smooth and safe recovery without manual intervention.
Beyond technical protection, this device offers visibility and convenience. With remote monitoring, you can check the system status, receive alerts, and adjust protection thresholds from anywhere. It’s ideal for home, office, or industrial environments where maintaining safe voltage is critical for equipment longevity and operational reliability.
The three digital displays provide:
Instant visualization of voltage levels and operational status
Immediate recognition of abnormal voltage events
Simplified troubleshooting without additional instruments
Built with advanced microprocessor logic, it offers:
Rapid detection of voltage dips and surges
Automatic disconnection to prevent equipment damage
Safe reconnection when voltage stabilizes
Adjustable thresholds for diverse electrical environments
The built-in Wifi capability enhances control:
Remote monitoring and real-time alerts via mobile app
Adjustment of overvoltage, undervoltage, and delay settings remotely
Track voltage trends over time for predictive maintenance
Enable or disable protection features from anywhere
Compatible with DIN-Rail or panel mounting systems
Flame-retardant enclosure for long-term durability
Clear terminal labels for straightforward wiring
Resistant to electrical noise, temperature changes, and vibration
Traditional circuit breakers protect against overcurrent but cannot respond to undervoltage or short-term surges. This protector continuously monitors voltage and acts proactively to prevent damage, providing a layer of protection that standard breakers cannot offer.
Voltage fluctuations can occur due to grid instability, load changes, or long cable runs. With this device:
Electronics operate safely without overheating
Motors maintain consistent performance
Systems recover smoothly from dips or surges
Maintenance time is reduced due to real-time voltage feedback
Remote monitoring adds convenience and assurance, making it easier to maintain operational stability.
| Rated voltage | AC 220V | Operating voltage range | AC 80-400V | |||
| Rated power | 50/60Hz | Rated current | 40A/63A | |||
| Over-voltage setting range | 230-300V | Under-voltage setting range | 210-140V | |||
| >U&<U Trip delay | 0.1-30s | Reset/start delay | 1-500s | |||
| Voltage measurement accuracy | 2% | Protection level | IP 20 | |||
High-speed monitoring ensures that the system responds only when necessary, preventing equipment damage while avoiding unnecessary trips.
Wifi connectivity allows for real-time alerts, remote adjustments, and monitoring from anywhere, giving you full control over your electrical environment.
By preventing prolonged exposure to unsafe voltages, sensitive electronics and motors operate longer, quieter, and more efficiently, reducing maintenance and repair costs.
Adjustable thresholds and delays let the protector adapt to a variety of settings, providing reliable and tailored protection for your system.
Q: Can this protector prevent damage from voltage spikes?
A: Yes, it automatically disconnects power when voltage exceeds preset limits, safeguarding equipment from harm.
Q: Does it reset automatically after a trip?
A: Yes, after voltage stabilizes and the configured delay elapses, power is restored automatically.
Q: Are voltage ranges adjustable?
A: Yes, both overvoltage and undervoltage thresholds can be customized to match specific system requirements.
Q: Can it be installed in any standard panel?
A: It supports both DIN-Rail and panel mounting for flexible installation.
Q: Can I monitor and control it remotely?
A: Yes, Wifi connectivity allows remote monitoring, alerts, and adjustment via a mobile app.
