Explore our core engineering catalog featuring advanced heavy-duty low-voltage protection solutions manufactured to strict international standards.
Founded officially in 2015, Acereare Electric encompasses two wholly-owned production subsidiaries: "RuiRui Electric" and "KeRui Electric". Building on over 20 years of craftsmanship inherited by two generations, we have transitioned from a specialized component processing workshop into a massive domestic powerhouse for electrical protection switchgear.
With an unwavering commitment to engineering rigor, our factories rank among the top tier of well-known ODM manufacturers in China. Our strategic framework combines structural design innovation, state-of-the-art contact metallurgy, and high-performance bimetal calibration to supply high-reliability protection systems to distribution networks globally.
Integrating downstream metallurgy with advanced microprocessor engineering to deliver reliable systems for smart grid distribution.
One-stop production incorporating six core processing techniques. Equipped with high-precision fabrication systems, custom tool tooling facilities, and 10+ manual and automated assembly lines.
Over 50 R&D engineers averaging 5+ years of design experience. Specializing in parts modeling, heat simulation, structural stress analysis, and delivering 50+ new design projects annually.
Dual massive factories expanding production for raw components, stampings, and finished machines. Full structural flow managed through ERP and U8 software to guarantee lead-time reliability.
Strict multi-step testing at our certified in-house laboratories. Housing 150+ testing instruments managed by 20+ specialized QC inspectors operating via PLM, BI, and MES platforms.
When selecting a circuit breaker manufacturer in China, top-tier global enterprises demand more than low unit costs; they require complete control over the manufacturing ecosystem. Located in the heart of China’s advanced electrical engineering hub, Acereare Electric offers direct access to a highly optimized supply chain cluster. By manufacturing our own MCCB metal stamping parts and high-conductivity moving contacts in-house, we eliminate intermediate supply chain delays and enforce absolute quality standards on critical metallic alloys.
Our raw copper materials are sourced from premium suppliers to ensure low resistivity, minimizing heat generation during continuous operation. We feature a complete vertical production process: from structural mold development and precision injection molding of specialized thermosetting plastic frames (DMC/BMC) to high-speed contact assembly and final thermal-magnetic calibration. Our localized ecosystem delivers an unbeatable balance of cost-efficiency, rapid prototyping, and engineering precision.
Deploying advanced materials and smart diagnostics to meet the demands of modern energy storage, EV charging infrastructure, and smart grids.
Modern commercial solar installations operate up to 1500VDC. Standard AC circuit breakers cannot extinguish DC arcs efficiently. We develop specialized DC MCCBs with multi-pole serial configurations and advanced permanent magnet arc-extinguishing chambers to handle up to 1500VDC, ensuring complete safety in solar applications.
Smart grids require micro-level power analytics. Our ARW1 and ARW3 series smart Air Circuit Breakers (ACBs) support digital communication interfaces, enabling remote monitoring of real-time voltage, current draw, harmonic distortion, and temperature. This facilitates remote diagnostics and edge-computing integration.
As industrial power distribution grids expand, expected short-circuit currents rise dramatically. Our heavy-duty thermal-magnetic MCCBs boast ultimate breaking capacities (Icu) up to 200kA at 400V/690V, ensuring that the circuit breaker survives extreme fault currents without structural failure.
We are transitioning our structural plastic frames to zero-halogen, flame-retardant thermoplastics, lowering the environmental impact during final disposal while retaining high mechanical strength and dielectric values.
Acereare circuit breakers are engineered, tested, and certified to perform under extreme ambient conditions worldwide.
Utilizing specialized structural compounds and low-viscosity synthetic lubricants. Moving components undergo thick coating treatments to maintain mechanical responsiveness. Internal mechanisms are backed by certification showing continuous operation down to -40°C.
Our standard tests subject complete units to 72 hours of salt spray exposure (and sub-assemblies to 48 hours). This prevents oxidation on copper contacts and steel linkages, making our MCCBs ideal for coastal docks, maritime systems, and marine switchboards.
For installations exceeding 2000m altitude, the thin air reduces dielectric properties and cooling efficiency. We provide comprehensive high-altitude derating parameters to adjust current capacity and insulation values, ensuring safe system calculations.
Designed to fit modern residential power panels. Our MCCBs offer overload protection, quick circuit isolation, and robust short-circuit interruption. Their high mechanical longevity protects high-value appliances from sudden thermal damage.
We deploy thermal insulation barriers and anti-humidity treatments on key linkages. Copper and iron components are treated for high-temperature stability. All units are tested in our constant-temperature chamber at 55°C to guarantee reliable performance.
Featuring built-in high-precision sensors, our smart MCCBs combine fault protection, precise power metering, and status communication. Integrating Modbus or Profibus protocols, they supply real-time energy insights directly to your building management system.
Scale your brand value and gain market share with our comprehensive manufacturing and customizable solutions.
A streamlined workflow from initial technical inquiry through engineering, production, and final global delivery.
Acereare products undergo testing to meet global regulatory, safety, and performance standards.
Explore our complete lines of high-breaking capacity thermal-magnetic breakers, copper moving contacts, and smart Air Circuit Breakers.
Get answers to common technical, design, and logistics questions from professional electrical engineers and global buyers.
Icu refers to the Ultimate Short-Circuit Breaking Capacity, representing the maximum current a circuit breaker can successfully interrupt, though the unit may sustain damage. Ics refers to the Service Short-Circuit Breaking Capacity, representing the maximum fault current a breaker can interrupt and still remain operational. Our premium MCCBs maintain an Ics ratio equal to 100% of Icu (Ics = 100% Icu), guaranteeing maximum safety and system longevity after a fault clears.
At altitudes above 2000 meters, lower air density reduces the air's insulation performance and cooling effectiveness. To address this, we apply high-altitude derating tables that adjust current ratings and dielectric withstand voltage coefficients. For extreme altitude demands, we can modify the structural spacing and flashover barriers to meet safety requirements.
LSIG indicates adjustable protection settings: L (Long-time overload), S (Short-time short-circuit delay), I (Instantaneous short-circuit), and G (Ground fault). Our electronic trip units let buyers customize pickup currents, delay times, and ground-fault settings to achieve selective coordination across distribution systems.
Yes. Our ARM6DC series Photovoltaic DC MCCB is specifically engineered for renewable energy applications, supporting operation at 700VDC, 1000VDC, and 1500VDC. These units feature specialized arc-extinguishing grids and magnets that safely direct and extinguish high-voltage DC arcs.
Standard component samples can be prepared within 7-10 business days. For customized shell designs or completely new contact mechanism tooling, typical mold fabrication and verification take 35 to 45 days. We manage this process using integrated PLM and ERP systems to minimize delays.
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