Zhejiang Zhenghao Fuse Co., Ltd. is a professional manufacturing company specialized in fuse products for more than 30 years. We started our business from 1985 with the name of Yueqing Zhenghao Fuse Co., ltd, mainly manufacturing low-voltage fuse products.
The company is located in Liushi Town - "the Capital of Electricity of China", in Yueqing City, Zhejiang Province. With over 20 years of history, we have developed more than 12 series products, including more than 400 varieties, such as cylindrical fuse links, screw fuse base, square pipe fuse links with knife contacts, fuse selection handbook and so on. The registered trademark of our products is ZHENGRONG, a well-known and trustworthy brand in extensive customers. We have got ISO900 approval, CE as well as CCC on many products.
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40 years of industry experience, specializing in the production of fuse products
Understand the key electrical ratings, dual-pole isolation design, installation requirements, and application conditions before selecting a DC circuit protection device.
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Zhenghao Fuse attended the 24th Electric & Power Indonesia 2026 in Jakarta (Booth A2-2628). The company showcased core products including PV fuses, DC fuses, knife-blade fuses and hook-type fuses, providing reliable circuit protection solutions for solar, energy storage and industrial power distribution, further expanding its Southeast Asian market layout.
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Overcurrent protection is the core safety barrier of all low-voltage industrial power distribution systems, and standard-compliant high-current fuses act as the first line of defense against short-circuit and overload faults that damage switchgear, motors and transformers. IEC 60269 415V High Current Fuse follows unified international IEC 60269 standards and adopts bolt-on ceramic construction to deliver stable gG/gL full-range protection for 415V AC industrial circuits. This article focuses on the core concerns of electrical engineers and procurement specialists, covering standardized structural design, full performance parameters, material durability, multi-industry application matching, installation specifications and fault response logic. All analysis avoids financial indicators, and centers on safety compliance, thermal stability, breaking capacity and long-cycle operational reliability to offer systematic reference for low-voltage power system configuration.
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China officially implemented mandatory CCC certification for all fuses on July 1, 2026, replacing the self-declaration model with strict third-party supervision. All products must finish certification conversion by December 31, 2026, while uncertified fuses will be banned from production and sales from 2027. As a leading manufacturer, Zhejiang Zhenghao Fuse has completed full CCC certification for photovoltaic, energy storage and industrial fuses, providing fully compliant and reliable fuse solutions for the new energy industry.
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As solar photovoltaic systems continue to expand across residential, commercial, and industrial sectors, ensuring safety and reliability has become more critical than ever. One often overlooked yet essential component is the 1000VDC Solar PV Fuse Holder. This device plays a vital role in protecting solar circuits from overcurrent, preventing equipment damage, reducing fire risks, and ensuring system longevity.
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In the rapidly growing solar energy market, ensuring the safety and efficiency of photovoltaic (PV) systems is paramount. One key component that often gets overlooked is the photovoltaic fuse. In this article, we will explore the purpose, types, applications, and best practices for photovoltaic fuses, with insights from Zhejiang Zhenghao Fuse Co., Ltd., a leading manufacturer in the industry.
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No matter which solar power plant you walk into, which commercial inverter cabinet you open, or which residential rooftop photovoltaic system you inspect, you'll find an often overlooked yet crucial component: the Photovoltaic DC fuse.
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The 28th Brazil S ã o Paulo Power Electronics Exhibition (FIEE) will be held grandly at the S ã o Paulo Convention and Exhibition Center from September 9th to 12th, 2025. The scale of this exhibition is grand, with an exhibition area of 50000 square meters, gathering more than 840 international exhibitors from around the world and attracting over 56000 professional visitors. The exhibition covers the entire industry chain of power equipment, electronic components, smart grids, energy storage, and photovoltaic technology, and is undoubtedly an annual event that cannot be missed in the electronic power industry.
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Recently, the 32nd China International Electric Power Equipment and Technology Exhibition opened grandly in Shanghai. This annual industry gathering brought together top global companies and cutting-edge technologies in the power sector. Among the numerous showcased products, fuses stood out as key equipment ensuring the safe and stable operation of power systems, captivating the attention of professional visitors and industry experts with their unique appeal.
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A Float Switch is a liquid level sensor designed to detect the level of fluid within a tank or container. It operates by using a buoyant float that rises and falls with the liquid level, triggering an electrical signal when a specific threshold is reached. This simple yet highly effective device serves as a cornerstone of automation and safety in various applications, including water treatment, chemical processing, oil management, and household appliances.
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Cylindrical fuses are compact yet powerful devices designed to protect electrical circuits from overcurrent and short-circuit damage. Their robust cylindrical structure ensures reliable operation, and their versatility makes them widely used in industrial, commercial, and residential applications.
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In today’s fast-paced industrial and residential power networks, Cylindrical Fuses have become a cornerstone of electrical protection. These compact yet powerful devices play an essential role in safeguarding circuits from overcurrents, short circuits, and equipment failure. With the rise of automation, renewable energy integration, and high-efficiency electrical systems, the demand for reliable and space-efficient protection devices has grown significantly.
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