Dehler
Dehler
Explore our engineering-grade components, meticulously designed for maximum safety margins and global substation configuration standards.
Within medium and high-voltage grid environments, isolation switches serve as the critical point of safety, ensuring a visible, physical air-gap disconnection under zero-load conditions. The transition from fixed-type isolating switchgear to highly modular draw-out isolating switches represents a paradigm shift in operational safety, rapid fault containment, and minimization of downtime.
Unlike stationary disconnectors, draw-out isolating switches are mounted on sliding carriage assemblies (racking mechanisms) that interface directly with secondary interlocking logics. This permits operators to isolate primary circuit paths and completely remove the switch unit for testing or maintenance without de-energizing the main busbar system. The mechanical interlocking architecture ensures that the circuit breaker must be in the open state before racking operations can begin, eliminating the hazard of load break operations.
How modern energy, transportation, and chemical systems utilize draw-out technology to secure operational stability.
Traction substations suffer from continuous stress due to frequent grid perturbations. Our draw-out units offer rapid physical detachment, ensuring high-speed maintenance blocks can occur safely within narrow operational windows.
Steel mills and mining operations create dust-laden and corrosive microenvironments. Our enclosed contact arrangements are optimized with enhanced creepage distances, preventing partial discharge issues.
With unstable feed-in currents, switches are subjected to cyclic load variants. Our systems utilize custom contact profiles to mitigate micro-arcing during fluctuations, ensuring stable grid connectivity.
Dehler Technology Co., Ltd., established in 2016, is currently located at No. 271, Weishiqi Road, Yanpan Economic Development Zone, Yueqing City. Our dedicated electrical complete equipment transformer division is situated at No. 178, Jingba Road, Economic Development Zone. As a technology-intensive enterprise, we integrate comprehensive R&D, advanced production lines, global sales, and professional engineering service under one banner.
We specialize in the manufacturing of high & low voltage switchgear, Prefabricated substations, cable branch cabinets, indoor & outdoor vacuum circuit breakers, disconnectors, earthing switches, load switches, and various critical electrical components. Our operations are backed by a standardized quality management system, aligning production precisely with international IEC directives and national industrial policies.
Over the years, our company has diversified its product offerings and continuously upgraded its services, earning widespread acclaim. We have built an enviable reputation and established long-term, stable partnerships with numerous suppliers and distributors. We believe that strengthening quality management is the absolute prerequisite for increasing market share and maintaining brand loyalty.
“High-quality products, superior technology, and impeccable service” remain the eternal goals pursued by Dehler. Facing the opportunities and challenges of international industrial electrical development, we have formulated a new development strategy and rapidly established a systematic, large-scale production model. In this dynamic environment, we strive to innovate our business philosophy, enhance management capabilities, improve our market network, expand brand promotion, accelerate resource integration, and fully participate in global market competition.
Bridging traditional hardware with intelligent smart-grid monitoring systems.
Next-generation isolating switches will feature integrated non-contact temperature sensors on main contacts to monitor contact wear and temperature rise in real-time, preventing high resistance failure.
We are expanding research into C4-H industrial grade corrosion resistance and Level-9 seismic qualification tests to deploy isolating gear in offshore substations and fault-line zones.
Moving away from SF6 dependance, Dehler is designing vacuums and clean-air insulated structures to decrease environmental footprint and help clients achieve net-zero regulatory compliance.
Premium auxiliary parts and functional panels manufactured in-house under strict quality controls.
High-voltage stationary contacts are key components in high-voltage switchgear, facilitating critical connection pathways with low electrical loss.
Critical conductive components designed with multi-finger structures to guarantee uniform contact pressure and distribution of current load.
Indispensable flat contact assemblies with custom-calibrated tension parameters designed for high frequency mechanical operations.
High-durability support structures utilizing advanced ceramics and resin blends to resist high voltage leakage current spikes.
A robust and modular electrical enclosure framework engineered for safe branch routing and automation equipment deployment.
Reactance compensators that dynamically adjust phase differences to lower transformer core losses and stabilize local grid operations.
Standardized heavy-duty fixed cubicles intended for power generation plants and municipal distribution systems.
Highly functional withdrawable assemblies featuring quick-disconnect electrical components for uninterrupted industrial workflows.
We work hand-in-hand with renowned component manufacturers, compliance laboratories, and multinational system integrators.
In-depth responses to critical questions commonly encountered by engineering, procurement, and maintenance teams.
Explore our complete assembly systems, designed to integrate with primary isolation modules for comprehensive substation setups.
Based in China, with a global perspective, our company, based on the principle of mutual benefit, sincerely collaborates with partners from all walks of life in the international community to create shared success. We welcome all parties to visit, audit our factories, and submit RFQs for custom power systems.
Factory Address: No. 271, Weishiqi Road, Yanpan Economic Development Zone, Yueqing City, Zhejiang Province, China
Transformer Division: No. 178, Jingba Road, Economic Development Zone, Yueqing City, Zhejiang Province, China
Need assistance drafting technical parameters or localizing code compliance? Provide your email and project details, and our senior switchgear technical director will contact you within 24 hours.
