Explore our foundational circuit protection products customized for intelligent distribution networks
The global low-to-medium voltage electrical infrastructure is undergoing a significant transition. Driven by structural shifts toward smart electrification, decentralized energy resource (DER) integration, and strict safety guidelines, circuit breaker manufacturing is no longer just about basic thermal overload trip mechanisms. It has evolved into a highly specialized field combining precision engineering, digital edge measurement, and robust material sciences.
As grid complexity increases globally, critical power distribution equipment must meet higher short-circuit interrupting ratings (Icu/Ics), maintain thermal stability in harsh environments, and support remote telemetry interfaces (e.g., Modbus, Ethernet). Chinese manufacturers, led by industry innovators like Acereare Group, are driving this progress by shifting the industry from low-cost component supply to high-value ODM (Original Design Manufacturer) and OEM partnerships. This change ensures compliance with standards such as IEC 60947-2, UL 489, and GB/T 14048.2.
Modern breakers now serve as intelligent telemetry endpoints. Integrated microprocessors and electronic trip units (ETUs) enable real-time monitoring of phase voltage, current harmonics, and historical fault signatures, allowing predictive maintenance via IoT architectures.
Utility-scale solar farms require dedicated DC breakers capable of extinguishing high-energy DC arcs at system levels up to 1500VDC. Innovative magnetic blowout technologies and specialized gas-evolving chambers are critical for safe DC circuit isolation.
From high-altitude wind projects (>2000m) to offshore maritime platforms facing corrosive salt spray, modern industrial applications require customized protection components to counter derating effects and aggressive oxidation.
A heritage of craftsmanship, technology, and comprehensive OEM/ODM manufacturing capability.
Founded in 2015, Acereare Electric operates two wholly-owned manufacturing subsidiaries: RuiRui Electric and KeRui Electric. Drawing on over 20 years of craftsmanship passed down through two generations of engineering leadership, our organization transition from a specialized component supplier to a leading original equipment manufacturer.
Today, our factories rank among the top ODM manufacturing operations in Wenzhou, China. We supply international brands, EPC contractors, and global power system integrators. By combining in-house tooling workshops, high-volume copper/silver metallurgy, automated sub-assembly processes, and comprehensive laboratory verification systems, we deliver reliable performance at competitive costs.
Delivering quality engineering and reliable supply chain execution
We offer a one-stop service leveraging six distinct processing technologies, high-precision tooling equipment, and over 10 manual and automated assembly lines.
Our team of over 50 R&D engineers uses 3D software (CAD/SolidWorks) for components and structural design, launching more than 50 successful research projects each year.
With two production facilities specializing in components and finished units, we coordinate workflows using integrated ERP and U8 software.
We employ multi-step inspection processes in our in-house lab, utilizing over 150 test instruments, 20 inspectors, and integrated PLM/MES/BI systems.
A comprehensive portfolio ranging from components to heavy industrial systems
Traditional thermal-magnetic MCCBs designed for reliable overload and short-circuit protection in standard building power distribution networks.
Integrated residual current protection circuit breakers (ELCB/RCBO style), safeguarding equipment against earth faults and personnel hazards.
High-breaking-capacity series engineered to protect complex industrial equipment, offering high dynamic structural stability.
Microprocessor-controlled electronic MCCBs with adjustable trip thresholds (LSIG), providing selective and coordinated trip performance.
High-end platform featuring thermal-magnetic systems, auxiliary releases, high interrupting ratings (up to 200kA), and plug-in options.
Intelligent, digital-ready circuit breakers with LCD parameter displays, network telemetry modules, and embedded metering functions.
Air Circuit Breakers (ACB) designed for currents up to 6300A, featuring high-precision selective protection and smart communication interfaces.
Smart ACBs with enhanced computational capability for utility substations, offering high short-time withstand current (Icw) ratings.
Premium OEM assemblies, including moving contacts with thick silvering, arc extinguishing chambers, and shunt/undervoltage releases.
The ARW1 series intelligent Air Circuit Breaker is designed for AC 50Hz/60Hz distribution networks with rated operational voltages of 690V and below, and current ratings from 400A up to 6300A. It provides high-precision selective protection for improved distribution system reliability.
| Performance Characteristic | Technical Implementation | Value Provided |
|---|---|---|
| Rated Voltage (Ue) | AC 400V / 415V / 690V | Universal compatibility across global low-voltage distribution networks. |
| Rated Current (In) | 400A to 6300A | Scalable protection from main intake switchboards down to sub-distribution boards. |
| Intelligent Protection | Microprocessor-driven LSIG controller | Adjustable parameters for Overload Long-time Delay (L), Short-circuit Short-time Delay (S), Short-circuit Instantaneous (I), and Ground Fault (G). |
| Communication Telemetry | Open Modbus/RS485 interface | Supports "remote sensing, remote adjustment, remote control, and remote signaling" for automated systems. |
Tested for extreme temperatures, high altitudes, and corrosive environments
Our cold-adapted circuit breakers are built with low-temperature resistant structural resins, high-viscosity low-temperature lubricants, and thicker metallic plating. These models hold certified test reports down to -40℃, ensuring reliable mechanical action and prevent structural cracking in arctic or cold storage applications.
To combat corrosion on maritime vessels and coastal docks, our breakers undergo salt spray testing (72 hours for complete systems, 48 hours for sub-assemblies). They use non-corrosive hardware and moisture-proof treatments, securing key operations for marine cranes, dockside systems, and seaside substations.
At altitudes above 2000m, lower atmospheric pressure decreases dielectric strength and heat dissipation efficiency. We supply certified high-altitude derating charts, recalculating dielectric limits and current ratings to ensure safe operation for highland wind and solar installations.
Our residential breakers focus on ease of integration and high sensitivity to fault currents. Standardized footprints allow straightforward mounting inside compact distribution boards, protecting household appliances and lighting systems from short circuits and thermal overloads.
For applications in arid climates or hot manufacturing facilities, we use flame-retardant structural materials, thermal insulation coatings on sensitive electronics, and corrosion-resistant copper components. We run continuous-load tests in our 55℃ environmental chambers to ensure structural and trip stability.
These smart breakers combine protection, high-accuracy current/voltage metering, and edge computing. Supporting remote telemetry and multiple data protocols, they provide the essential data link for smart factories and local utilities looking to optimize demand response.
Pioneering safe, green, and digitized power distribution systems
Traditional contact separation causes arcing that erodes contact materials over time. Our research team is developing hybrid solid-state circuit breakers that use power semiconductor switches to interrupt currents at microsecond speeds. This eliminates arcing, significantly extending mechanical life.
In line with international climate agreements, we are engineering clean arc-extinguishing systems. By using eco-friendly gas mixtures and zero-halogen resins, we aim to reduce the carbon footprint of our breakers without compromising short-circuit performance.
Our future product releases will feature integrated edge computing modules. By monitoring small changes in contact temperature, mechanical trip times, and coil resistance, our breakers can estimate their remaining service life and signal maintenance before a failure occurs.
Standardized workflows tailored for global brands and large industrial projects
Acereare Electric provides specialized electrical protection systems configured for distinct application profiles. Whether supporting solar farms that require DC ratings up to 1500V, or processing plants needing high interrupting capacity (up to 200kA Icu=Ics), we deliver certified equipment and technical support. We offer three primary service paths to accommodate your supply chain requirements:
Increase your market share with customized branding: laser-engraved logos, custom packaging, and custom housing options. We use verified raw materials and offer rapid sample validation to help speed up your product launches.
Access complete contract manufacturing support: proprietary mold tooling design, functional tuning, and coordination of international type-test testing. We act as your off-shore production plant, backed by 24-hour engineering responses.
Collaborate with our R&D team to co-develop unique circuit breakers. We manage the development process from electrical design and component optimization to final prototype assembly, helping differentiate your products in competitive markets.
Identify project specs, electrical loads, and environmental factors.
Create 3D drawings, adjust trip curves, and select components.
Assemble functional samples and run tests in our lab.
Manufacture units under MES tracking with inline QA checkpoints.
Complete final inspection, pack in custom crates, and ship.
Products tested in ISO-compliant laboratories to satisfy strict regulatory requirements
Our design and production processes are certified to international standards. This includes ISO 9001 quality management, environmental management protocols, and specific product certifications such as CE, CB, and CCC. This documentation validates performance and facilitates compliance reviews for global installations.
Direct technical answers to help electrical engineers and procurement managers evaluate our products
Icu (Rated Ultimate Short-Circuit Breaking Capacity) represents the maximum fault current a breaker can interrupt safely without permanently damaging itself. Ics (Rated Service Short-Circuit Breaking Capacity) is the fault current the breaker can interrupt and still remain operational. For critical infrastructure, an Ics rating equal to 100% of Icu ensures the system can return to service immediately after clearing a fault, reducing downtime.
At high altitudes, thin air decreases dielectric strength and heat dissipation efficiency. As a result, standard circuit breakers must be derated for both operational voltage and rated current. Above 2000m, we apply a calculated factor (e.g., derating operational voltage to 90% or 80% of nominal rating) and ensure larger clearances or auxiliary cooling are specified to prevent unexpected tripping or dielectric breakdown.
High-current circuit breakers (e.g., 250A to 630A and above) experience high contact resistance at mating points. Coating the moving contacts with high-purity silver decreases this contact resistance, which minimizes heat generation during continuous operation. This prevents thermal runaway, reduces arc erosion during interruption, and extends the electrical life of the breaker under heavy industrial loads.
Electronic trip units use current transformers (CTs) and microprocessors to monitor currents and execute trip calculations. Unlike thermal-magnetic systems, which are affected by ambient temperature, ETUs offer precise and repeatable trip curves. They also support adjustable protection parameters (LSIG settings), allowing engineers to coordinate protection zones and minimize localized outages.
Yes. Our ARM6DC and related PV series are designed and tested according to IEC 60947-2 Annex P and UL 489B standards. They are engineered to handle the high voltages (up to 1500VDC) and bi-directional currents typical of modern solar inverter arrays, using optimized magnetic blowouts to extinguish DC arcs safely.
Explore our heavy-duty industrial breakers, silvered contacts, and high-breaking-capacity solutions
AceReare
