High-performance components designed to handle extreme currents and complex operational loads in central Eurasian grids.
The Republic of Uzbekistan is currently experiencing an unprecedented wave of industrialization. As outlined in the country’s national economic strategies, major sectors like mining (notably at the Almalyk and Navoi metallurgical combines), petrochemical facilities, and municipal power distribution infrastructure are undergoing rapid modernization. To match these large-scale grid expansions, local engineers and contractors require circuit protection components that conform to stringent safety requirements, while exhibiting exceptional resilience under severe operational conditions.
Molded Case Circuit Breakers (MCCBs) serve as critical defense mechanisms in industrial electrical grids. The fundamental performance of an MCCB depends heavily on its internal metal components, especially the moving and fixed contacts, which are subjected to continuous mechanical impact and sudden thermal stresses. High-quality metal welding parts and stamping assemblies ensure low electrical resistance, zero phase failure, and robust short-circuit braking capacity.
Acereare is proud to provide complete engineering support, raw material compliance validation, and state-of-the-art contact welding components directly to contractors, switchgear manufacturers, and industrial developers serving the Uzbekistan market.
Analyzing structural integrity, material composition, and manufacturing technologies required for maximum grid reliability.
The welding of silver-based contacts to copper backings demands precise microstructural control. We utilize high-frequency induction brazing and micro-resistance welding. This guarantees uniform solder distribution and minimizes contact resistance, preventing thermal runaway in severe utility grids.
Using ultra-precise progressive dies, we maintain raw stamping tolerances within ±0.02mm. This level of physical consistency ensures that our fixed and moving contacts fit perfectly within the breaker housing, ensuring consistent arc interruption and long contact life cycles.
Operating environments in Central Asia expose components to high humidity fluctuations and dust storms. We provide multi-layer plating options including copper flash, nickel barrier, and custom thickness silver plating to extend component shelf life and prevent oxidation.
Uzbekistan features a highly challenging climate, characterized by scorching summer temperatures reaching +50°C in desert regions like Bukhara and Karakalpakstan, and dropping below -30°C during winter in Tashkent province. This thermal cycling puts massive stress on switchgear parts.
Under severe temperature variations, standard copper-silver joints can suffer from micro-cracking and thermal fatigue due to mismatched coefficients of thermal expansion. Acereare addresses this by using specialized welding fillers and silver alloy compositions designed to absorb thermal strain without mechanical delamination.
In arid mining zones and dry regions, abrasive sand particles can settle on contact surfaces, leading to mechanical wear during contact closure. Our progressive stamping designs feature optimized geometries that naturally deflect particle buildup, ensuring high electric conductivity remains intact.
For mining installations located in mountainous areas, standard circuit breaker parts will experience a drop in dielectric strength and heat dissipation efficiency due to thinner air. We provide custom-designed components that are compatible with the high-altitude derating coefficients required for systems operating up to 3,000 meters.
Acereare Electric, founded in 2015, possesses two wholly-owned subsidiaries: "RuiRui Electric" and "KeRui Electric".
As a professional original manufacturer integrating R&D, production, and sales, we specialize in high-quality molded case circuit breakers (MCCB), air circuit breakers (ACB), and their related components. With over 20 years of craftsmanship inherited across two generations, our brand represents a legacy of electrical engineering excellence.
Boasting a solid technical foundation and a mature production ecosystem, our manufacturing facilities rank among the top ODM partners in China, offering unrivaled experience and professional manufacturing depth.
Providing unmatched quality control, advanced design tools, and complete production integration.
One-stop service providing six distinct processing techniques. Supported by high-precision production machinery, quality control instruments, and over 10 manual and automated production lines.
Over 50 dedicated R&D engineers with a minimum of 5 years of domain experience. Expert in 3D modeling of parts, molds, and finished assemblies, delivering 50+ new research projects per year.
We own and operate two manufacturing facilities to scale component fabrication. Managed via integrated ERP and U8 software to ensure seamless communication and delivery tracking.
Rigorous, multi-phase testing protocols. Equipped with our own testing labs containing 150+ measurement instruments, 20+ QC inspectors, and complete software tracking via PLM, BI, and MES.
Engineered to perform in specialized, harsh, and heavy industrial environments.
Utilizing premium cold-resistant materials and low-temperature grease. Our components feature thickened structural coatings and are certified to operate reliably down to -40°C.
Subjected to salt spray tests (72h for finished breakers, 48h for sub-assemblies). Highly resistant to moisture, sea breeze, and chemical corrosion in heavy industrial plants.
For installations exceeding 2000m altitude. We provide verified high-altitude de-rating adjustments to ensure insulation safety and current-carrying capability.
Widely used in main switchboards, residential load centers, and commercial hubs to protect critical machinery from electrical overload and short circuit events.
Featuring flame-retardant parts and high-temperature lubricants. Tested inside our 55°C hot chamber to confirm electrical contact and structure stability under heat stress.
Providing components compatible with electronic trip units that support remote signaling, sensor telemetry, and modern smart metering technologies.
From engineering blueprint verification to global shipping, we ensure a seamless procurement path.
Initial project review to define technical parameters, current capacities, and localized atmospheric conditions.
Designing contact profiles, stamping tools, and selecting the optimal silver alloy for industrial load profiles.
Finalizing material test plans, technical drawings, pricing milestones, and delivery schedules.
Fabricating components via precision stamping and welding, followed by rigorous optical and electrical checks.
Ensuring compliance with Uzbekistan customs and international standards, package protection, and safe shipping.
We provide custom laser branding and logo integration to support building market presence in Tashkent and Samarkand. Our premium components help establish reliability and brand authority.
From custom stamping dies to full MCCB assembly services, we act as your dedicated offshore production base. Complete test reports and global safety certificates are provided.
Work with our 50+ engineers to co-develop custom circuit breaker parts and specialized stamping geometries, matching unique electrical designs and spatial constraints.
Tested in international accredited labs to guarantee safety, quality, and complete market compliance.
As the electrical transmission sector transitions toward sustainability, Acereare is actively leading the R&D of eco-friendly metal parts.
Traditional silver-cadmium contacts present environmental challenges. We are actively converting our production lines to utilize Silver-Tin Oxide (AgSnO2) and Silver-Nickel (AgNi) alloys, offering equivalent electric capacity while meeting RoHS compliance requirements.
Our upcoming production roadmap includes online automated inspection for welding joint integrity. Employing high-speed cameras and thermal imaging, we analyze 100% of contact welds to prevent void-induced failures.
We are expanding production of specialized component systems, focusing on smart sensor mountings directly stamped onto circuit breaker terminals. This facilitates temperature and wear telemetry in modern smart substations.
Common inquiries from engineers and procurement teams in Uzbekistan and the wider CIS region.
Explore our extensive range of high-conductivity metal assemblies and protective devices.
Full range design coverage from small miniature components up to giant industrial air breakers.
Heavy-duty main distribution switches for mining sites and processing plants.
Whether you are assembling local switchboards in Tashkent or upgrading mining operations in Navoi, Acereare is ready to supply custom-stamped, precision-welded MCCB contacts to your exact specifications.
AceReare
