Description
63A Digital AVS: The Ultimate Automatic Voltage Stabilizer & Protector for Whole-Home Safety
Protect your entire electrical ecosystem with the 63A Digital Automatic Voltage Stabilizer (AVS). In a region where power fluctuations, brownouts, and sudden surges are common, this digital protector acts as a high-speed sentinel for your appliances. Unlike traditional manual stabilizers, this smart Digital AVS continuously monitors your incoming power and automatically disconnects the load if voltage levels become dangerous, reconnecting only when the power is stable.
With a robust 63-Amp capacity, this device is designed for mainline installation. It is powerful enough to safeguard a whole house or office, including high-drain appliances like instant showers, air conditioners, refrigerators, and sophisticated solar inverter systems.
3-in-1 Comprehensive Protection
This isn’t just a voltage switcher; it is a complete power quality management tool:
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Over-Voltage Protection: Instantly cuts power if the voltage spikes (e.g., above 270V), preventing “frying” of sensitive circuit boards in TVs and computers.
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Under-Voltage (Brownout) Protection: Protects motors in fridges and ACs from burning out when the voltage drops too low (e.g., below 170V) to turn the compressor safely.
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Over-Current Protection: Acts as a smart circuit breaker, shutting down if the total household load exceeds 63A, preventing cable overheating and potential fire hazards.
Technical Specifications & Adjustable Parameters
| Feature | Specification / Adjustment Range |
| Rated Current (Max) | 63 Amps (Adjustable 1A – 63A) |
| Rated Voltage | 220V / 230V AC (Single Phase) |
| Over-Voltage Cut-off | 230V – 300V (Default: 270V) |
| Under-Voltage Cut-off | 140V – 210V (Default: 170V) |
| Recovery Delay Time | 1s – 500s (Default: 30s) |
| Action Time | <0.1s (Ultra-fast response) |
| Mounting | 35mm Standard DIN Rail |
| Display | Dual LED Digital Display (Volt + Amps) |
Product Highlights
1. Real-Time Digital Monitoring
Equipped with a dual-line LED display, this AVS provides instant visibility into your power status. The upper display shows the Real-Time Voltage (V), while the lower display shows the Current Load (A). This allows you to monitor exactly how much power your home is consuming at any given moment.
2. Fully Adjustable User Settings
Every home has different needs. This device allows you to customize the safety thresholds. You can manually set the high-voltage limit, the low-voltage limit, and the recovery delay time. The delay time is critical for compressors (like in fridges) as it prevents them from “short-cycling” during rapid power flickers.
3. Auto-Reset Functionality
Once the utility power returns to a safe, stable range, the 63A AVS performs a self-check. After the pre-set delay timer counts down, it automatically restores power to your home. This ensures your food stays frozen and your security systems stay on, even if you are not home to reset the breaker.
4. Compact DIN Rail Design
Designed for professional integration, the 63A AVS fits perfectly onto a standard 35mm DIN rail. It can be installed directly inside your consumer unit (fuse box) next to your main breaker, providing a clean, “hidden” protection solution for the entire building.
Why Every Solar & Grid-Tie System Needs It
In solar installations, grid-tie inverters are highly sensitive to “dirty” grid power. Installing a 63A AVS on the AC input side ensures that the inverter is only exposed to clean voltage, significantly reducing the risk of expensive inverter motherboard failures and warranty disputes.





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