Explore our core engineered range of high-voltage and high-amperage breakers designed for extreme environments, renewable energy applications, and heavy industrial panels.
A comprehensive guide for electrical distributors, procurement managers, and system integrators seeking high-integrity protection units.
An industrial circuit breaker is a vital safety device designed to protect electrical circuits from damage caused by excess current from overloads or short circuits. Unlike domestic miniature circuit breakers (MCBs), industrial components such as Molded Case Circuit Breakers (MCCB) and Air Circuit Breakers (ACB) handle significantly higher currents—up to 6300A—and voltages up to 1140VAC. They function as mechanical switches that automatically interrupt current flow upon detecting anomalies, preventing electrical fires, system down-time, and major equipment damage.
For global buyers, choosing a supplier involves looking beyond basic functionality. It requires finding a manufacturer with a complete supply chain, robust R&D, and certified reliability to ensure long-term, fail-safe performance.
When engineering panels or solar power grids, specific parameters define the quality of the breaker:
Two generations of engineering craftsmanship, delivering industry-leading OEM and ODM services for clients worldwide.
Founded officially in 2015, Acereare Electric operates two wholly-owned subsidiaries: "RuiRui Electric" and "KeRui Electric". Building on over 20 years of technical expertise passed down through two generations of craftsmen, we specialize in the comprehensive design, production, and sales of high-performance MCCBs, ACBs, and key interior components.
Equipped with state-of-the-art diagnostic labs and more than 10 manual and automated assembly lines, we rank among China's top original design manufacturers. We provide critical stamping parts, silver-alloy contacts, and busbars to multiple tier-1 electrical brands globally.
Through our digital manufacturing infrastructure—supported by PLM, BI, ERP, and MES software—we ensure complete traceability from raw copper ingots to the finished, tested breaker.
R&D Engineering Experts
Skilled Assembly & QC Workers
Annual Sales Revenue (RMB)
Automated Production Lines
Understanding the ecosystem that enables Chinese factories to deliver high-quality, cost-effective industrial circuit protection devices.
Unlike minor assemblers, our facility manufactures primary components internally, including high-purity silver-alloy contacts and custom stamp-molded busbars. This internal control ensures low contact resistance, limits temperature rises, and prevents unexpected current trippings.
With a 50-member engineering team utilizing advanced 3D modeling and mold simulation software, we can progress from custom specifications to physical validation samples in less than 30 days. This capability helps clients quickly adapt to changing market requirements.
We combine massive raw material purchasing power with rigorous digital quality assurance. The complete workflow—from PLM product tracking to final MES testing—keeps tolerances tight, costs competitive, and performance consistent across high-volume production runs.
Standard circuit breakers fail in extreme conditions. We design specific variants adapted for high-altitude, low-temperature, marine, and high-temperature environments.
A structured, collaborative approach to developing, testing, and manufacturing bespoke circuit breakers for your brand.
Build your brand's reputation with custom-molded brand logos, specialized technical packaging, and catalog design, backed by a production line using high-grade, reliable raw materials.
We provide full-process contract manufacturing, including custom housing design, tool development, international test coordination, and 24-hour engineering support.
Collaborate with our R&D engineers to create new, proprietary circuit breaker architectures, custom tripping parameters, or specialized smart grid communication systems.
Define requirements, evaluate site constraints, select base models.
Fine-tune electrical parameters, design custom casings or stampings.
Submit prototype to laboratory testing (temperature, breaking cycle).
Execute automated assembly and MES-monitored QA verification.
Secure packing, export customs clearances, and global distribution.
Our products undergo comprehensive certification and verification processes, meeting international safety standards to ensure legal compliance and project approval in any market.










Take a virtual tour of our automated stamping workshop, assembly floor, and product validation laboratory.
Review key technical specifications of our flagship MCCB and ACB series to select the right platform for your requirements.
| Series Name | Breaker Type | Rated Voltage (Ue) | Current Range (In) | Breaking Capacity (Icu) | Key Applications |
|---|---|---|---|---|---|
| ARM1 Series | Molded Case Breaker (MCCB) | 380V/400V/690V | 16A - 1250A | 35kA - 85kA | Standard industrial distribution board & factory panels. |
| ARM1L Series | Residual Current MCCB | 400V | 16A - 800A | 35kA - 65kA | Enhanced earth leakage protection & personnel safety. |
| ARXM3 Series | Thermal-Magnetic MCCB | 400V/690V | 63A - 400A | 50kA - 100kA | Heavy-duty machinery protection, variable speed drives. |
| ARM5 Series | Plug-In Design MCCB | 400V/690V | 125A - 630A | 65kA - 200kA | Continuous operations, quick swapping panels, and datacenters. |
| ARW1 Series | Air Circuit Breaker (ACB) | 400V/690V | 400A - 6300A | 80kA - 120kA | Main power input breaker, smart grid power dispatching. |
| ARM5HU Series | High Voltage MCCB | 800V/1000V/1140V | 125A - 250A | Up to 50kA | Photovoltaic solar solar farms, wind turbine power grids. |
Direct technical answers to common questions about industrial circuit breaker sourcing, integration, and performance standards.
Explore our selection of specialized circuit breaker sub-assemblies, accessories, and replacement parts for custom integration.