Adjustable Voltage Protector

Customized Protection for Your Electrical Systems
This intelligent voltage protector features adjustable trip points (80V-300V) with digital display for real-time monitoring. Safeguarding appliances and industrial equipment from power anomalies, it offers 0.1s rapid response and supports residential, commercial, and renewable energy applications
Choose The Best Adjustable Voltage Protector

OBS7-5-VA/1P+N/40A

Best selling Digital voltage/current protector 1P+N

A high-end electrical safety device, the Household Over-Voltage and Under-Voltage Protector is built to turn off power automatically whenever voltage levels are detected to be abnormal.

OBS7-3-VA/1P+N

Digital voltage/current protector using Magnetic core

The Household Over-Voltage and Under-Voltage Protector is a smart electrical safety tool. It is crafted to shut off power supply automatically when abnormal voltage levels are sensed.

OBS7-5-VAM/1P+N/40A

Multi-functional protector 1P+N

The Household Over-Voltage and Under-Voltage Protector serves as an advanced electrical safety tool. It is designed to disconnect power automatically when it detects that voltage levels are outside the normal range.

OBS7-VA/3P+N

Three phase voltage protector 3P+N

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.

OBS7-1-VA/1P+N

Digital voltage/current protector 1P+N

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.

OBS7-2-VA/1P+N

Digital voltage/current protector 1P+N

As an advanced electrical safety device, the Household Over-Voltage and Under-Voltage Protector is designed to disconnect power automatically whenever it detects unusual voltage fluctuations.

OBS7-4-VA/1P+N

Single phase Digital voltage/current protector 40A 63A

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.

OBS5-V/1P+N

Adjustable Digital voltage protector

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.

OBS8-VA/1P+N

Digital voltage/current protector

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.

OBS9-V/1P+N

Digital voltage protector

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.

Advantages of the OBCH Adjustable Voltage Protector
The drive for innovation propels our team to create novel smart overvoltage and undervoltage protectors for your market.
Long-Lasting Durability
Extended operational lifespan

With 1 million mechanical operations and 100,000 electrical operations, reliability is assured.

Durable construction and electrical components

Utilizing premium electronic components and IP20 protection rating, it operates reliably even under harsh conditions.

Withstand Voltage Fluctuations

Allows safe voltage fluctuations within ±15% range, activating only when thresholds are exceeded to prevent false tripping caused by normal grid variations.

Durable construction and electrical components

Cuts power in ≤0.2 seconds to prevent damage to air conditioner compressors, precision circuits, and other equipment from voltage surges.

Safe and Reliable
Flexible Configuration
Easy Installation and Maintenance

Modular design enables rapid installation and effortless maintenance, minimizing downtime.

Indicators and Status Display

Clear LED indicators or LCD screens display operational status (Normal, Overvoltage Trip, Undervoltage Trip, Fault, etc.).

Why Are You Still Using OBCH Adjustable Voltage Protector?
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

Why Choose us
OBCH Possesses Extensive Experience in ODM and OEM Projects.

100

Serving over 100 countries

350

Completed over 350 OEM and ODM projects

15

15 years of manufacturing experience

Automated Production Line

15 years of factory expertise, professional management, automat / semi-automated production equipment, quality under control.

100% Quality Inspection

Strict end-to-end quality control system, 100% inspection of raw materials and finished products to ensure consistent quality.

Continuous Innovation

R&D department launches new products quarterly, continuously expanding the company's product line with functionality far surpassing competitors.

Fast Delivery

Our proprietary brand products follow a stable production process, ensuring consistent supply. Short lead times of 15-25 days.

Exceptional After-Sales Support

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.

Flexible Ordering, Cost Optimization

We offer generous channel support policies for distributors and agents: price support, after-sales support, and marketing support.

Customization Advantages

Our technical team can modify circuit boards as needed

Customizable appearance including color, screen, and LED displays

Customizable test benches available

GET A QUOTE

GET IN TOUCH NOW
Captcha Code