Engineered for high current load limits, severe ambient adaptability, and exceptional electrical insulation safety compliance.
Established on a rock-solid foundation of heavy engineering competence, Acereare Electric (founded officially in 2015) operates with two core wholly-owned manufacturing subsidiaries: "RuiRui Electric" and "KeRui Electric". We consolidate our operations to manufacture next-generation Air Circuit Breakers (ACB), Molded Case Circuit Breakers (MCCB), and their highly intricate component stampings.
Supported by a continuous heritage spanning two generations, we have established long-term strategic supply integrations with near 100 domestic and international partners. Our advanced factories serve as top-tier Original Design Manufacturers (ODM), engineering specialized, robust hardware for complex switchgear assemblies worldwide.
The global transition to high-voltage renewable generation (Solar PV, Energy Storage, and Wind) requires specialized switchgear components designed for mechanical longevity and safety.
Modern switchgear environments require reliable contacts, customized arc chutes, auxiliary contacts, and stamping parts. Under continuous peak current density, minor physical micro-deformations lead to catastrophic failure. We mitigate this through proprietary metallurgical stress testing and automated precision tooling.
Heavy duty systems face massive short circuit faults (up to 200kA Icu/Ics). Our components are engineered to withstand electromagnetic repulsion forces during fault clear cycles, maintaining geometric integrity across thousands of cycles without high contact resistance.
Specialized progressive stamping molds allow us to fabricate copper connection plates, mechanical linkage arms, and core frame components with micron-level tolerances. Precise tolerances reduce micro-arcing and minimize thermal losses inside the breaker chamber.
By prioritizing win-win cooperation, we have built a reputation for offering first-class products, exceptional engineering assistance, and factory-direct pricing structures.
One-stop production combining six specialized processing techniques. Backed by high-precision manufacturing equipment, testing instruments, and more than 10 manual and automated assembly lines.
Over 50 R&D engineers with 5+ years of design experience. Expert in 3D product CAD design, mold engineering, and finished circuit breaker topology, managing over 50 projects per year.
Operating two manufacturing facilities to scale components and complete breaker assembly. We integrate logistics using ERP and U8 software management tools.
Equipped with in-house laboratories and 150+ specialized test instruments managed by 20+ QC inspectors. Operations are monitored using PLM, BI, ERP, and MES software.
Our circuit breakers and stamping components are designed to withstand challenging environments, verifying functionality under strict mechanical and physical criteria.
We utilize low-temperature resistant base materials, apply low-temperature lubricants, and coat components with thickened plating to survive sub-zero settings. Verified by testing down to -40℃.
Capable of executing up to 72 hours of salt spray exposure for complete assemblies and 48 hours for sub-assemblies. Suitable for marine applications, protecting key motors and dock infrastructure.
For altitudes exceeding 2000m, electrical properties are verified against high-altitude derating parameters to compensate for reduced air density and heat dissipation capacity.
Widely deployed in commercial buildings and appliances to protect against overload and short-circuit conditions, increasing operational safety for downstream users.
Constructed with high-temperature materials, featuring insulation coatings on control surfaces and anti-corrosive copper finishes. Extensively tested in our +55℃ heat chambers.
Our breakers provide comprehensive telemetry, metering, system protection, control, and edge-computing utilities to support smart grids and real-time power analytics.
Explore our main product series, configured to meet specific demands for accurate industrial application and long-term durability.
ARW1 Series Focus: The ARW1 series intelligent air circuit breaker is designed for AC 50Hz networks with rated voltages up to 690V and currents ranging from 400A to 6300A. It features precise micro-processor based protection for selective system coordination. Equipped with open communications interfaces, it supports remote sensing, adjustment, control, and signaling to integrate with automated energy management systems.
See our automated production, quality validation, and advanced stamping equipment in action inside our Chinese assembly plant.
We provide full-cycle engineering support from initial mold configuration to international certification testing, serving as your overseas manufacturing partner.
We support brand development by utilizing quality raw materials to increase downstream customer satisfaction. With fast prototyping and custom layout options, we help reduce the time-to-market for new items.
We provide comprehensive manufacturing support, backed by refundable tooling budgets, third-party certification management, and responsive 24-hour engineering services.
We assist clients with customized product lines, providing specialized catalog design and packaging solutions tailored for small and medium-sized distributors.
We maintain end-to-end traceability and strict quality controls from initial quote request to final delivery.
Review customer parameters, analyze technical drawings, and recommend specific raw material grades.
Develop 3D designs, map tooling blueprints, and draft verification schemes for local grid standards.
Finalize quality requirements, set delivery timelines, specify refund conditions, and sign supply agreements.
Conduct automated dimensional tracking, test mechanical endurance, and verify breaking limits.
Pack products in moisture-proof crates and dispatch with logistics software tracking.
Our manufacturing facilities and electrical products comply with major global test protocols, including CE, CCC, and ISO standards.










As electrical grids transition to smart, decentralized topologies, circuit protection technology continues to evolve.
Conventional mechanical breakers have milliseconds of contact separation latency. We are researching hybrid circuit configurations to reduce arcing energy during fault isolation, extending contacts service life.
Utility-scale solar installations operate increasingly at higher DC voltages. We are expanding our testing capacities to manufacture contact configurations that operate at 1500V and above under high ambient heat levels.
Next-generation circuit breakers will incorporate IoT communication modules. By tracking temperature trends, contact pressure, and arcing parameters, systems can notify operators before breaker failure occurs.
Frequently asked technical questions by global switchgear manufacturers, engineering procurement managers, and system installers.
The service life of ACB contacts is primarily affected by the load current, frequency of operation, arcing intensity, and local environmental conditions. We utilize automated stamping techniques and premium contact alloys to maintain minimal contact resistance and reduce oxidation under thermal load.
At altitudes above 2000 meters, lower air density reduces heat dissipation efficiency and insulation strength. In these environments, circuit breakers require current and voltage rating adjustments based on technical derating charts to prevent overheating and dielectric breakdown.
Icu (Ultimate Short-Circuit Breaking Capacity) is the maximum fault current the breaker can interrupt safely, though it may require replacement afterward. Ics (Service Short-Circuit Breaking Capacity) is the fault current the breaker can interrupt while remaining fully operational for continued service. We aim for Ics = 100% Icu on our high-performance models.
Salt spray introduces moisture and chloride ions, accelerating surface oxidation on raw copper. Our stamping components receive specialized electroplating and nickel/tin coating treatments, helping them withstand up to 72 hours of direct salt spray validation for marine installations.
Yes. Our team of 50+ R&D engineers uses specialized CAD modeling tools to develop custom metal stampings and structural components. Mold development costs are refundable based on overall contract order volumes.
Our intelligent ACBs, including the ARW1 series, feature open communication interfaces that support Modbus-RTU, Profibus, and Ethernet connections. This allows operators to integrate telemetry, monitoring, and control functions into wider SCADA and building automation networks.
Choose from our selection of high breaking capacity breakers, custom stamping plate molds, and solar-rated protection systems.