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The ARM6HU series molded case circuit breakers are specifically designed for string photovoltaic power station systems, offering reliable protection with rated working voltages up to 1000V. These breakers are suitable for both 500V and 800V systems, making them versatile for various photovoltaic applications.
Key features of the ARM6HU circuit breakers include an advanced arc extinguishing system design that ensures safe operation. The product achieves zero flashover when equipped with the protective cover, and features double insulation with complete isolation of the main circuit. These breakers are widely used in new energy applications, particularly in AC combiner boxes and the low-voltage side of box substations.
The ARM6HU series incorporates several innovative design elements including a reinforced insulating base plate and zero flashover cover to enhance insulation performance and short-circuit breaking safety. The product complies with EU ROHS 2.0 directive requirements, with strict control over raw materials and manufacturing processes.
With extremely high mechanical life (10,000 operations) and electrical life (2,000 operations), the ARM6HU offers reliable performance. The mechanism components and release are optimized on the M3 structure platform, ensuring precise tripping accuracy and long service life.
The ARM6HU-630 model features patented technology innovations including large opening distance, large capacity metal anti-dissociation grid, and narrow slit pressurized air blowing solution. These design features contribute to superior performance in photovoltaic applications.
Outstanding experience with this purchase! The shipping was incredibly fast and efficient, arriving well ahead of the estimated delivery date. The packaging was secure and ensured the product was in perfect condition upon arrival. The quality of the circuit breaker is exceptional; it feels robust and well-made, with no visible defects or issues. Customer service was also top-notch—prompt, friendly, and very helpful in addressing my inquiries. Overall, I am thoroughly impressed and satisfied with every aspect of this transaction.
Logistics were handled exceptionally well; the delivery arrived ahead of schedule, which was a pleasant surprise. The quality of the items received appears robust and well-manufactured, giving confidence in their durability. Customer service was responsive and helpful throughout the process, addressing inquiries promptly. Overall, a smooth and satisfactory experience from start to finish.
