Voltage Protector Manufacturer
Soltree designs and manufactures voltage protectors that stabilize power before it damages equipment. Our devices monitor voltage and current in real time and disconnect loads when values move outside safe thresholds.
Soltree builds over and under voltage protectors for residential, commercial, and industrial systems. These devices reduce downtime, prevent premature equipment failure, and improve long-term power reliability.
- Full Protection – Overvoltage, undervoltage & overload
- Smart Display – Real-time monitoring
- Factory Direct – Competitive pricing
Our Main Product Categories
Certified voltage protection devices designed for stable and efficient power control across different load types.
Digital Display Voltage Protector
Designed for systems that require continuous monitoring and fast response.Real-time voltage and current feedbackAutomatic cut-off and reconnection.Suitable for voltage current protector applications and smart panels.Common use cases include distribution cabinets, HVAC systems, and motor-driven equipment.
ST2-VA4-W
ST2-VA4-B
ST2-VA2-1
ST2-VA2-2
ST6-VA
ST2-VA5
ST2-VAK
ST5-VA-W
ST5-VA-B
STATS-02
STATS-03
STATS-04
STATS-05
Basic Voltage Protector
A compact and cost-efficient voltage protector switch for fixed-threshold protection.Fast response to high or low voltage,DIN rail mounting,Minimal configuration required.These models are commonly used as low voltage protection devices in residential panels and light commercial systems.
STBVP 1P+N
STBVP 2P
STBVP 3P+N
STBVP 4P
Soltree – Trusted Over & Under Voltage Protector Manufacturer
Work directly with Soltree to source voltage protection devices at factory pricing.Typical cost savings reach 30% compared to distributor-based sourcing.
About Soltree
That’s Soltree: High Quality, Better Price
Soltree has manufactured low-voltage electrical products for more than 15 years. Our focus is protecting equipment from unstable grid conditions using precisely engineered overvoltage protectors and undervoltage control devices.
100,000 square meters of production space
200+ skilled technicians
Full OEM and ODM support
All products are tested against defined voltage thresholds and load conditions and meet international standards.
Soltree – Reliable Over/Under Voltage Solutions
Global-Ready, Trusted by Professionals
Soltree produces high voltage protection devices and low-voltage control solutions for homes, factories, and commercial facilities. Each product is designed to disconnect loads before voltage drift causes insulation stress, overheating, or control failure.
Certified to CE, RoHS, and ISO standards
Deployed in more than 50 countries
Designed for easy integration into modern power distribution systems
Flexible configuration options support single-phase and 3 phase voltage protector requirements.
Inside Soltree’s Workshop
Multiple fully automated lines with 100,000+ units/day capacity for stable, efficient output.
SMT Production Line
Assembly & Soldering
Automated Machinery
Quality Inspection
Final Assembly Line
Function Testing
Why Choose Soltree Voltage Protectors
Smart protection, accurate monitoring, and long-lasting performance for safer power systems.
Accurate Digital Display
Our digital models feature real-time voltage and current display, giving users clear and precise monitoring to ensure system stability.
Reliable Full Protection
Protects devices against too much voltage, too little voltage, and too much power, which helps keep them from breaking and makes them last longer.
Easy Installation & Operation
The small size and ability to install on a DIN rail make it easy and quick to set up, and it may be used at home or in a business.
Factory Direct, More Value
Made in-house with stringent quality control and ISO/CE certification, which guarantees low prices and reliable performance.
Customization That Builds Your Brand
You can change your logo, packaging, product design, and distributor support to make your business stand out.
Customized Logo & Branding
Custom logos, labels, and product copywriting to strengthen your brand identity.
Customized Packaging Options
Retail boxes, bulk packaging, and private label designs tailored to your sales channels.
Customized Product Design
From parameter adjustments to full ODM development, we support custom voltage protection device specifications.
Customized Distributor Materials
Customized brochures, manuals, and marketing assets to support your sales network.
What Our Customers Say
Trusted by global clients in residential, commercial, and industrial sectors.
Get Free Samples
Have questions about our products or need assistance with a project? Our team is ready to help you find the perfect electrical solution.
Mail Address
jacky@cnsoltree.com
Phone/Whatsapp
+86 13693313816
Headquarters
Fenghuang Industrial Zone,BaishiTown,Yueqing Zhejiang P.R. China
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