Over/Under voltage & Overcurrent Protector with built-in logo, same PA66 shell as Schneider, internal hard connection, ensures circuit safety.
Over/Under voltage & Overcurrent Protector with built-in logo, same PA66 shell as Schneider, internal hard connection, ensures circuit safety.
The Voltage & Current Protector (OBS7-6-VA/1P+N) is a DIN-rail mounted protection device designed for household and industrial distribution panels. Manufactured by OBCH Electric, this 1P+N single-phase unit operates across a wide voltage range of 80–300V with a rated current of 63A
Crafted as an innovative safeguard for household electrical systems, the Household Over-Voltage & Under-Voltage Protector is engineered to cut off power supply instantly upon detecting voltage anomalies.
This 3-phase over/under voltage protector safeguards circuits and is suitable for both household and industrial applications.
As an innovative new-generation 3-Phase Over-Voltage and Under-Voltage Protector, this advanced electrical safety device is engineered to automatically cut off the power supply upon detecting abnormal voltage levels.
As an innovative new-generation 3-Phase Over-Voltage and Under-Voltage Protector, this advanced electrical safety device is engineered to automatically cut off the power supply upon detecting abnormal voltage levels.
A WiFi Smart Circuit Breaker is an advanced electrical device that combines the safety features of a traditional circuit breaker with the convenience of smart home technology.
A WiFi Smart Circuit Breaker is an advanced electrical device that combines the safety features of a traditional circuit breaker with the convenience of smart home technology.
A WiFi Smart Circuit Breaker is an advanced electrical device that combines the safety features of a traditional circuit breaker with the convenience of smart home technology.
This household over/under voltage protector automatically cuts off power when voltage is abnormal, ensuring safe circuit operation.
As a cutting-edge new-generation 3-Phase Over-Voltage and Under-Voltage Protector, this sophisticated electrical safety device is designed to automatically shut off power when abnormal voltage levels are detected.
The Household Over-Voltage and Under-Voltage Protector is a sophisticated electrical safety device. It is engineered to automatically cut off power supply the moment abnormal voltage levels are identified.
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
Our technical team can modify circuit boards as needed
Customizable appearance including color, screen, and LED displays
Customizable test benches available
Jul 06,2026
OBCH Tuya Smart WiFi Circuit Breaker | Remotely Controllable Voltage & Current Protector – Save Time and Cost