40Years Professional Fuse Manufacture

Iec Low Voltage Fuse and Fusebases

40Years Professional Fuse Manufacture

IEC LOW VOLTAGE Fuse Holder Base with Cover and Spacer Can Also Use for NH00C Fuse Link

40Years Professional Fuse Manufacture

IEC HR18-160/3 Interrupteur Sectionneur Fusible Avec Visuelle Fenêtre

40Years Professional Fuse Manufacture

Square tube bolt-connected fuse

40Years Professional Fuse Manufacture

Low voltage NH/RT knife-blade fuses series

About Us

Zhejiang Zhenghao Fuse Co., Ltd.

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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About Us

Industry Experience

40 years of industry experience, specializing in the production of fuse products

Product Category

We have developed more than 12 series products, including more than 400 varieties

High Quality Products

We have obtained certifications from China CCC, Europe CE, and ISO9001.

Our Services

Wherever you are, Zhenghao always standing behind you.

Featured Products

1000VDC Solar PV Fuse Holder

Zhenghao Fuse has developed a solar photovoltaic system 1000VDC Solar PV Fuse Holder box.ZHPV-32 1000VDC 10X38mm Solar PV Fuse Holder is specially designed to provide fast protection under overload current conditions. Capable of safely protecting 1000V DC systems (PV), 1000VDC Solar PV Fuse Holder photovoltaic DLN rail fuse holder adopts VO standard flame retardant shell and enclosed design. 1000VDC Solar PV Fuse Holder product complies with IEC standards.

1000V 250A DC Fuse Holder Photovoltaic Base

Thank you very much for your recognition，Zhenghao fuse The 1000V 250A DC Fuse Holder Photovoltaic Base is a powerful, safe and reliable piece of electrical equipment that is used in a variety of different industrial and commercial applications. Its durability, safety features and wide range of uses make it an integral part of electrical systems.

500A gPV 1500VDC Fuse core

The 500A gPV 1500VDC Fuse core is a self-developed solar photovoltaic fuse to meet the emerging needs of the global photovoltaic (PV) industry. It is designed specifically for protection and isolation. Photovoltaic (PV) array combiner and DC disconnect. The standard size fuse connection of this reinforced structure can effectively protect 1000VDC photovoltaic (PV) systems. The 500A gPV 1500VDC Fuse core provides various rated currents from 250A to 400A, which helps to match specific photovoltaic (PV) applications in different situations, such as photovoltaic array protection and photovoltaic inverter DC input protection.

1000VDC gPV 250A Fuse core

The working principle of the 1000VDC gPV 250A Fuse core is that when the current in the system exceeds the set value, the metal wires in the fuse will melt and disconnect due to excessive current. The 1000VDC gPV 250A Fuse core will promptly cut off the circuit to prevent current from continuing to flow and damaging other components. The photovoltaic power generation system adopts DC output, and once short circuited, it may generate high current, which is extremely dangerous for the safety of other equipment. The fuse protection function of photovoltaic fuses can timely cut off abnormal currents and play a role in safe circuit breaking.

Email Us

vickyxu@zhrdq.com

Call Us

+86-577-62785868

Address

No. 19, Xianshi South Road, Xinguang Industrial Zone, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province, China

Send Inquiry

News Center

News

2025-08-19

Why Choose a Screw Type Fuse Over Other Fuse Types

When it comes to protecting electrical circuits, fuses play a crucial role. But with so many options available, why should you consider a Screw Type Fuse instead of blade, cartridge, or resettable fuses? As an electrical engineer with over two decades of experience, I’ve seen firsthand how the right fuse can prevent equipment damage, reduce downtime, and improve safety. Today, I’ll break down the key advantages of Screw Type Fuses and explain why they might be the best choice for your application.

2025-07-31

Constantly having circuit protection issues?

After working as an electrician for over a decade, my biggest fear is a sudden blown fuse in my equipment. Ordinary fuses are either slow to react or frequently trip. It wasn't until I used Zhenghao's 80A 22×58mm Cylindrical Fuse that these issues were completely resolved.

2025-05-22

The 137th Canton Fair of Zhenghao has successfully concluded

After 5 days of Canton Fair, our exhibition has come to a successful end. Here, Zhejiang Zhenghao Fuse Co., Ltd. expresses heartfelt thanks and wishes to everyone.

2025-05-22

What is Solar Connector?

With the continuous improvement of social industry and demand, different photovoltaic connectors have emerged in the market. It has become a difficult choice for customers to choose a product that suits them.Through the following introduction, Zhejiang Zhenghao fuse devices allow everyone to truly understand what a photovoltaic connector is, how to determine their own needs, and no longer worry.

2025-04-28

Application of photovoltaic DC fuses

As the global energy structure accelerates its transformation to green and low-carbon, photovoltaic power generation, as an important part of renewable energy, has ushered in rapid development.

2025-04-28

What are the different types of cylindrical fuses?

In modern electrical systems, fuses play an indispensable role as an important component to protect circuit safety.

2025-04-11

Zhenghao Fuse Debuts at the 137th Canton Fair

From April 15 to 19, 2025, the 137th China Import and Export Fair (Canton Fair) opened grandly in Zhuhai, Guangzhou. As a leading manufacturer of circuit protection equipment, Zhejiang Zhenghao Fuse brought a variety of high-performance fuses and intelligent solutions to the booth number: [15.2J0102] to empower the power safety field with innovative technology, attracting high attention from merchants at home and abroad.

2025-03-13

Precautions for using fuses

Choose a suitable fuse ‌: When choosing a fuse, you should choose an appropriate current rating according to actual needs. Usually, the fuse's fusing current is set to 1.5 to 2.0 times its rated current. For example, when the total power of household appliances exceeds 1100 watts, a 5-ampere fuse can be selected.

2025-03-13

Types and characteristics of fuse materials

The material selection of fuses is directly related to their protection performance. Low melting point alloys (such as lead-antimony alloys) are the most commonly used core materials, while glass, ceramics, aluminum alloys and organic composite materials provide diversified solutions according to specific application scenarios.

2025-03-13

Working principle of fuse

The working principle of fuse is mainly based on the thermal effect of current and the physical properties of metal conductor expansion due to heat.