Explore our top-performing industrial components designed to work alongside air blast systems for seamless protection.
In high-voltage (HV) transmission and utility sub-stations, system protection requires fast, reliable, and highly stable arc-extinguishing media. Air Blast Circuit Breakers (ABCBs) utilize compressed air at exceptionally high velocities and pressures (typically ranging from 20 to 30 bar) to quench electrical arcs formed during fault-state contact separation. As an ODM supplier with decades of technical experience, we recognize that standard solutions often fall short when menghadapi unique grid topologies, severe environmental variables, or complex mechanical duty cycles.
During short-circuit conditions, contact separation triggers an intense plasma path (arc) reaching temperatures upwards of 20,000K. Unlike vacuum or SF6 breakers, the air blast mechanism physically expels the high-temperature plasma away from the interrupter chamber using an axial or radial blast flow nozzle. The rapid inflow of cold, dry compressed air immediately increases the dielectric strength across the opening gap, preventing the arc from restriking at current zero. This capability makes ABCBs critical for ultra-high voltage (UHV) networks, heavy furnace loads, and critical infrastructure segments.
Today's global electrical grids are undergoing rapid transformation. Driven by the integration of renewable energy sources and the modernization of legacy distribution infrastructure, commercial and industrial enterprises demand heavy-duty breakers that offer customization (ODM) without sacrificing safety compliance. In regions like North America and Europe, strict environmental mandates regarding SF6 gas emissions are redirecting investment toward alternative arc-quenching technologies like clean compressed air, making custom-configured air blast solutions highly sought after.
Furthermore, developing industrial economies across the Middle East, Southeast Asia, and South America require robust and localized electrical switchgear systems capable of withstanding extreme temperatures, dry desert sand, and humid maritime air. This requires circuit breakers developed via ODM design cycles, where customized thermal ratings, mechanical enclosures, and localized protection relays are tailored directly to the regional utility specifications.
The company is located in the Economic Development Zone of Yueqing City, Zhejiang Province, with Qili Harbor in the south, Yueqing Bay in the east, Yueqing City Center in the north, and Liubai Economic Circle in the west. We have been committed to the research and development and production of low-voltage electrical appliances, and high-performance protection equipment. The products are widely used in electric power, infrastructure, energy, electronics and other industry sectors.
Our standard workshop covers more than 12,000 square meters, housing a professional team of 212 employees, including 20 highly qualified professional and technical personnel. With over 180 units of production and testing equipment, we ensure key manufacturing processes are fully monitored. Equipped with a professional quality inspection team, we manage strict inspections on incoming materials, processes, and finished products.
By setting up quality control points in key processes and using SPC tools, we continuously improve process control. Our traceability system spans from accessories and production dates to key design parameters, ensuring consistent quality and strict accountability.
Our modern production lines incorporate automated precision tools and SPC-managed assembly points to ensure fault-free product output.
Our engineering and manufacturing standards strictly conform to key international systems and certifications.
ISO 9001 Certificate
CE Compliance Certificate
Quality Excellence Award
How our customized grid-level protection devices integrate into complex commercial and industrial applications globally.
We provide comprehensive and reliable distribution solutions featuring intelligent plastic-shelled motor protection. By resolving frequent tripping issues during motor start-up, our systems ensure the continuous operation of high-power water pump units. If a grid failure occurs, automatic transfer switches transition power to redundant sources seamlessly, while integrated intelligent capacitors stabilize the system power factor.
Petrochemical sites require highly resilient distribution components due to high start-up loads and corrosive, hazardous environments. Based on years of industry experience, we offer robust, explosion-proof outdoor distribution layouts and heavy-duty switchgear that minimize outage risks, ensuring a safe, stable, and economically sound distribution infrastructure.
For modern, automated production plants, we deliver advanced components like universal circuit breakers and electronic plastic-cased interrupters. These systems allow operators to monitor energy parameters and device health metrics via web portals or mobile interfaces, reducing maintenance overhead and preventing unscheduled manufacturing line stops.
Our premium commercial distribution packages comply fully with EU RoHS environmental standards, ensuring no toxic materials are used. The product portfolio includes air-insulated universal breakers, MCCBs, and high-performance ATS systems that maintain continuous power for safety circuits and guest operations.
Continuous production runs in the chemical sector require intelligent grid protection with reliable fault isolation. Our customized switchgear layouts calculate real-time system metrics and coordinate breaker tripping curves, protecting downstream industrial equipment from voltage fluctuations and short-circuit faults.
To reduce engineering complexity and streamline switchgear replacements, we manufacture high-capacity distribution components designed to fit the standardized specifications of State Grid Corporation. This structural standardization simplifies panel builds, speeds up retrofitting, and lowers overall system construction costs.
Our specialized DC isolation switches, miniature breakers, and surge protection devices are built to withstand the high system voltages common in solar power plants. These systems stabilize PV installations, protect central inverters, and ensure long-term energy generation efficiency.
Sensitive semiconductor and electronics facilities require strict power quality. We offer comprehensive distribution and monitoring solutions that protect delicate assembly machinery from micro-faults, transient surges, and electrostatic discharge, ensuring reliable and stable factory operation.
A look at our specialized electrical protection, power management, and switchgear components.
Deploying high-voltage and medium-voltage switchgear internationally requires strict alignment with localized utility standards and global regulatory frameworks. A standard circuit breaker may fail to satisfy the specific testing protocols mandated by regional electrical boards. To address this, our ODM engineering pipeline offers custom adaptations to ensure that every circuit breaker is optimized for local performance.
For instance, systems targeting the European market must comply with IEC 62271-100 and IEC 62271-1, governing high-voltage alternating current circuit breakers. In the North American market, equipment must meet the criteria set by IEEE/ANSI C37.04 and C37.09, which define parameters for transient recovery voltage (TRV) handling, short-circuit current ratings, and dielectric insulation levels.
Additionally, our custom design capability extends to secondary protection circuits, auxiliary control wiring, and communication protocols. Whether a site requires standard Modbus RTU, Ethernet connection, or IEC 61850 protocol for digital substation automation, we design, test, and manufacture interface panels that integrate smoothly into existing SCADA networks.
The future of utility-scale power systems is focused on digitalization, environmental sustainability, and smart diagnostic capabilities.
Engineering eco-friendly alternative systems utilizing clean compressed air (synthetic air mixes). This completely replaces SF6 gas configurations, offering zero Global Warming Potential (GWP) and simplified equipment recycling.
Integrating real-time sensor arrays inside interrupter modules to monitor contact wear, chamber pressure, moisture levels, and mechanical linkage speeds, enabling predictive maintenance schedules.
Deploying digital twin software modules that simulate physical stress states in real-time, allowing substation operators to predict switchgear health based on current load variations and ambient environmental factors.
Common technical inquiries regarding custom ODM configurations, maintenance schedules, and arc-extinguishing physics.
Complete your power distribution system with our heavy-duty industrial switchgear, control switches, and high-voltage fuses.