A state-of-the-art electrical safety device, the Household Over-Voltage and Under-Voltage Protector is built to automatically turn off power when it detects voltage that falls outside the normal range.
The Household Over-Voltage and Under-Voltage Protector is a state-of-the-art electrical safety apparatus. It is crafted to shut off power automatically when voltage abnormalities are detected.
As a cutting-edge electrical safety tool, the Household Over-Voltage and Under-Voltage Protector is engineered to cut off power automatically when it identifies voltage that is outside the normal range.
An advanced electrical safety apparatus, the Household Over-Voltage and Under-Voltage Protector is built to turn off power automatically whenever voltage abnormalities are sensed.
With 1 million mechanical operations and 100,000 electrical operations, reliability is assured.
Utilizing premium electronic components and IP20 protection rating, it operates reliably even under harsh conditions.
Allows safe voltage fluctuations within ±15% range, activating only when thresholds are exceeded to prevent false tripping caused by normal grid variations.
Cuts power in ≤0.2 seconds to prevent damage to air conditioner compressors, precision circuits, and other equipment from voltage surges.
Modular design enables rapid installation and effortless maintenance, minimizing downtime.
Clear LED indicators or LCD screens display operational status (Normal, Overvoltage Trip, Undervoltage Trip, Fault, etc.).
| Comparison item | OBCH | Ordinary |
|---|---|---|
| Connection solution |
Hard connection: Rated for high current  |
Soft connection: Limited to low current  |
| PCB |
Conformal Coated PCB: Moisture-proof / Corrosion resistance /  |
Hand-brushed rosin (flux) solution: Harmful fumes / Hygroscopic  |
| Magnetic core |
Potting magnetic core: Precision Current Measurement  |
Ordinary magnetic ring: The outer skin is prone to detachment  |
| Relay |
Brand new relay: Longer life time  |
Used relay: Easy to drop, life time is short  |
100
Serving over 100 countries
350
Completed over 350 OEM and ODM projects
15
15 years of manufacturing experience
15 years of factory expertise, professional management, automat / semi-automated production equipment, quality under control.
Strict end-to-end quality control system, 100% inspection of raw materials and finished products to ensure consistent quality.
R&D department launches new products quarterly, continuously expanding the company's product line with functionality far surpassing competitors.
Our proprietary brand products follow a stable production process, ensuring consistent supply. Short lead times of 15-25 days.
We offer an extended 2-year warranty. Our 24 / 7 professional support team provides rapid diagnostics and solutions, keeping your systems stable and running smoothly.
We offer generous channel support policies for distributors and agents: price support, after-sales support, and marketing support.
Our technical team can modify circuit boards as needed
Customizable appearance including color, screen, and LED displays
Customizable test benches available
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Apr 16,2026
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