Dehler
Dehler
In the rapidly evolving landscape of global power distribution, high-voltage isolator switches have moved beyond simple mechanical disconnection. As the world transitions toward Smart Grids and Renewable Energy Integration, the demand for high-reliability, maintenance-free, and digitally-integrated switches has surged. Today's "Industry 4.0" compliant isolators incorporate IoT sensors for real-time thermal monitoring and arc-flash protection, ensuring that critical infrastructure remains operational under extreme conditions.
With the rise of massive solar and wind farms, isolator switches now require higher DC voltage ratings and the ability to handle rapid switching cycles without dielectric degradation.
Modern switchgear is becoming "smart." We integrate diagnostic sensors that predict contact wear, significantly reducing downtime in industrial substations.
The industry is moving away from SF6 gas toward solid insulation and vacuum technology, reducing environmental impact while maintaining 12kV to 40.5kV performance.
Dehler Technology Co., Ltd., established in 2016, is a cornerstone of China's high-tech electrical equipment sector. Located in the Yanpan Economic Development Zone, Yueqing City—the "Electrical Capital of China"—we operate across two specialized divisions focused on high and low voltage power equipment. Our expertise spans R&D, production, sales, and comprehensive after-sales service.
We specialize in the production of high & low voltage switchgear, prefabricated substations, cable branch cabinets, and critical indoor/outdoor components like vacuum circuit breakers and high-voltage isolator switches. Our solutions power diverse sectors including railway electrification, steel mills, coal mining, and petroleum industries.
Our proximity to the raw material and component ecosystem in Yueqing allows for unmatched lead times. In an era of global supply chain volatility, Dehler provides a stable anchor, ensuring that project deadlines are met without compromising on material quality.
By implementing automated CNC machining for contacts and robotic laser welding for switchgear enclosures, we achieve a precision that exceeds traditional manual methods, resulting in 99.9% first-pass yield for our GN and KYN series products.
In harsh environments like coal mines or steel mills, our HXGN-40.5 series provides robust protection against dust and vibration, ensuring continuous power to heavy machinery.
The GN series indoor isolating switches are optimized for the rapid fluctuations and high frequency of rail power systems, providing safe maintenance isolation for overhead line substations.
For mission-critical data centers, our DLQ5 dual power automatic transfer switches provide seamless transitions between grid and backup power, preventing data loss.
Our custom PV grid-connected cabinets are specifically designed for high-efficiency solar farms, facilitating reliable energy flow from panels to the national grid.
Over the years, our company has diversified its product offerings and continuously upgraded its services, earning widespread acclaim. We have a strong reputation and established long-term, stable partnerships with numerous suppliers and distributors. Strengthening quality management is a prerequisite for increasing market share.
ISO Certified
Global Export
“High-quality products, superior technology, and impeccable service" are the goals pursued by Dehler. Facing the opportunities and challenges of international industrial electrical development, our company has formulated a new development strategy and rapidly established a systematic, large-scale production model.
An isolator switch is designed to disconnect a circuit for maintenance under "no-load" conditions, providing a visible physical gap for safety. A circuit breaker is designed to interrupt current under load, including fault conditions like short circuits.
The GN Series offers a compact footprint, high dielectric strength, and a reliable mechanical interlocking system that prevents accidental operation under load, making it ideal for indoor substations with limited space.
We utilize silver-plated "plum blossom" contacts and spring-loaded flat contacts. The silver plating minimizes contact resistance, while the spring-loading ensures consistent pressure over thousands of cycles, preventing oxidation and overheating.
Yes. Our outdoor vacuum circuit breakers and switchgear are tested for wide temperature ranges (-40°C to +40°C) and utilize high-grade post insulators with superior creepage distance to prevent tracking in humid or polluted environments.
Based in China, with a global perspective, our company sincerely collaborates with partners from all walks of life. Whether you are looking for custom OEM solutions or large-scale procurement, we welcome your inquiries.
