Safeguard your home appliances and electronics with this Over Under Voltage Protective Device. This 220V circuit breaker automatically cuts power when voltage exceeds 275V or drops below 160V, providing critical protection against power grid fluctuations. The clear digital display shows real-time voltage, while its 40A or 63A capacity handles demanding household loads with reliable precision. Features and Benefits
- Digital Voltage Display - Monitor your mains voltage in real-time with a clear, easy-to-read screen for immediate awareness of power conditions.
- Dual Voltage Protection - Automatically disconnects power during over-voltage (275V+) and under-voltage (160V-) events to prevent damage to sensitive equipment.
- High-Current Capacity - Available in 40A and 63A models to protect entire circuits powering multiple appliances, air conditioners, or workshop tools.
- Adjustable Delay Timer - Features a restart delay to prevent rapid cycling and ensure stable power has returned before reconnecting your devices.
- Durable Construction - Built with a robust housing and quality internal components designed for long-term, reliable performance in residential environments. Applications
- Whole-Home Appliance Protection - Install at your main distribution board to shield refrigerators, washing machines, and HVAC systems from harmful voltage spikes and sags.
- Home Office and Entertainment Centers - Ensure the safety of computers, routers, televisions, and audio systems that are vulnerable to unstable power.
- Workshop and Garage Circuits - Protect power tools, battery chargers, and compressors connected to circuits that may experience voltage irregularities.
- Rural or Unstable Grid Areas - An essential safeguard for properties where power supply fluctuations are common, preventing costly appliance failures.
Dimensions: 90 x 70 x 60 mm (estimated). Rated Voltage: 220V AC. Voltage Measurement Range: 0-300V AC (estimated). Over-voltage Trip Setting Range: 200-280V AC (estimated). Under-voltage Trip Setting Range: 160-200V AC (estimated). Overvoltage Category: III. Display Type: Digital. Storage Temperature: -20°C to +70°C. Dielectric Strength: 2500V AC, 1 minute. Electrical Life: ≥100,000 cycles. Insulation Resistance: ≥100 MΩ. Mechanical Life: ≥1,000,000 cycles. Mounting Type: DIN Rail. Operating Frequency: 50/60 Hz. Operating Temperature: -10°C to +55°C. Over-current Trip Setting Range: 10-63A (estimated). Pollution Degree: 2. Product Type: Voltage Monitoring Relay / Protective Relay. Protection Functions: Over-voltage, Under-voltage, Over-current. Rated Current: 40A, 63A. Relative Humidity: ≤85% RH. Trip Delay Time: 0.1-10 seconds (estimated). Housing Material: Flame Retardant Thermoplastic (e.g., PC/ABS). Overvoltage Protection Threshold: Adjustable, typical range 230V - 280V AC. Rated Voltage: 220V AC. Undervoltage Protection Threshold: Adjustable, typical range 170V - 210V AC. Voltage Range (Operating): 176V - 264V AC (Inferred: 80% - 120% of 220V). Mounting Standard: DIN Rail (EN 60715, 35mm width). Operating Frequency: 50/60 Hz. Relay Contact Rating: Typically 5A - 10A @ 250V AC. Contact Configuration: 1 CO (Changeover) Relay Output. Display Parameters: Real-time Voltage, Current, Status Indicators. Display Type: Digital LED or LCD Display. Installation Category: CAT III 300V (Pollution Degree 2). Overcurrent Protection: Integrated, likely thermal-magnetic type. Product Type: DIN Rail Mounted Voltage Monitoring Relay with Overcurrent Protection. Protection Degree: IP20 (for enclosure). Rated Current: 40A / 63A (Dual Rating, Model Dependent). Response Time: < 100ms (Typical for voltage detection). Terminal Type: Screw Clamp Terminals. Q: What are the key specifications for this Over Under Voltage Protective Device? A: This device is designed for 220V household circuits and is available in two current ratings: 40A and 63A. It features a digital display for real-time voltage monitoring and provides protection against over-voltage, under-voltage, and over-current conditions.. Q: Is this 220V circuit breaker durable enough for long-term use? A: Yes, it is built with robust components for reliable long-term protection. The device is designed to withstand regular electrical fluctuations and offers stable performance, making it suitable for safeguarding household appliances.. Q: Can this Over Under Voltage Protective Device be used with a home solar inverter system? A: Yes, this device is an excellent choice for protecting sensitive equipment like solar inverters from grid voltage fluctuations. Its 220V rating and precise digital relay make it compatible with residential renewable energy setups.. Q: Does this product come with a warranty or guarantee? A: Yes, this product includes a standard manufacturer's warranty. The specific warranty period and terms are provided with the product documentation upon purchase.. Q: Is this Over Current Protection device a good value compared to basic circuit breakers? A: Yes, this offers excellent value for DIY enthusiasts and professionals seeking quality without premium brand pricing. It delivers reliable performance for regular use with the added benefit of a digital display and comprehensive voltage protection that basic breakers lack..