Our Product

Comprehensive Electrical Measurement, Monitoring & Protection Solutions
The LZZ7-35 current transformer is a support-type, fully sealed (hermetically cast) unit designed for medium- to high-voltage power systems up to 35kV. It is made with high-quality epoxy resin casting, ensuring excellent insulation performance, high mechanical strength, and strong resistance to environmental conditions.
The DSF394 series AC energy meters are designed for applications such as DC power distribution panels, EV charging stations, and telecommunication base stations. This series of instruments is capable of measuring voltage, current, power, and forward energy within AC systems. They can be utilized for local display purposes or connected to industrial control equipment and computers to form a comprehensive measurement and control system.
R0-4P Smart Circuit Breaker is a cost-effective intelligent protection terminal designed specifically for three-phase four wire distribution scenarios. With industrial grade reliability as its core, it integrates basic intelligent protection, real-time power monitoring, and remote control functions, providing safe, efficient, and economical intelligent distribution solutions for small and medium-sized industrial equipment, commercial buildings, park power distribution, and other scenarios.
KDM1-100 is an intelligent rail mounted digital display meter designed specifically for medium to high power single-phase/three-phase distribution systems. It adopts a DIN35mm standard rail mounted installation design and integrates high-precision multi parameter monitoring, intuitive data display, and remote communication functions. Real time collection of core electrical parameters such as voltage, current, power, energy, and frequency, presented in a high-definition LCD screen loop, supporting RS485 communication interface for remote data transmission, providing efficient and accurate energy management solutions for medium and high-power circuits in industrial production, commercial buildings, and public facilities.
Applications & Industries

Electrical Solutions Across Diverse Industries

ATST products are trusted in industrial automation, smart buildings, renewable energy systems, data centers, utility infrastructure, and commercial power distribution projects. From energy monitoring and power quality management to equipment protection and system integration, our solutions help engineers and project teams improve efficiency, reliability, and operational safety.
Who We Are

Engineering Safer & Smarter Electrical Systems Worldwide

2012

Years of electrical manufacturing experience

300+

Product models for industrial applications

100+

Countries and regions served globally
WENZHOU ATST ELECTRICAL CO., LTD is a manufacturer specializing in the export of electrical measurement, power monitoring, and power distribution products. Serving customers across global industrial, utility, and energy markets for more than 14 years, ATST s main product portfolio includes Current Transformers, Power Meters, Smart Devices, and Electrical Protectors. Our products are manufactured under strict quality management systems and comply with international standards including CE, RoHS, and ISO certification requirements.

Engineered to Meet Real-World Project Requirements

Every project has unique technical requirements. ATST provides flexible manufacturing, OEM customization, and engineering support to help customers achieve reliable performance, faster project execution, and long-term operational success.

EXPLORE SOLUTIONS

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Need Electrical Solutions for Project? Contact Us Today

Need Electrical Solutions for Project? Contact Us Today

Connect with our engineering team to discuss product selection, OEM customization, technical requirements, and project-specific electrical solutions.
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