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Zhejiang Junwei Electric Co., Ltd.
Zhejiang Junwei Electric Co., Ltd.

JUNW NT Series Blade Shaped Fuse Core

JUNW NT Series Blade-Shaped Fuse Cores
1.Core Product Overview & Compliance
JUNW NT Series blade-shaped fuse links are high-performance low-voltage protection components, fully compliant with international IEC standards. Designed for reliable overcurrent and short-circuit protection in power distribution systems, they feature a universal 500V AC rated voltage and an industry-leading 120kA breaking capacity, ensuring safe and rapid isolation of extreme fault currents to safeguard electrical equipment and distribution lines.
2.Key Advantages of Blade-Type Design
The precision-engineered blade structure delivers ultra-low contact resistance and high electrical conductivity, minimizing power loss and temperature rise during operation. Manufactured with premium copper alloy fuse elements and flame-retardant insulating housings, these fuse links offer excellent thermal stability, mechanical strength, and corrosion resistance, making them ideal for heavy-load, high-frequency industrial applications and long-term stable operation.
3.Model Specifications & Key Ratings
| Model | Rated Current | Rated Voltage | Breaking Capacity |
|-------|---------------|---------------|-------------------|
| NT00 | 160A | 500V AC | 120kA |
| NT1 | 250A | 500V AC | 120kA |
| NT2 | 400A | 500V AC | 120kA |
| NT3 | 630A | 500V AC | 120kA |
| NT4 | 1000A | 500V AC | 120kA |
4.Wide Application & Compatibility
Fully compatible with standard NT series fuse bases, these blade-shaped fuse links enable quick, tool-free installation and easy maintenance. They are widely used in industrial power distribution, motor control centers, commercial building power systems, and new energy facilities, providing a reliable, standards-compliant protection solution for all types of low-voltage distribution projects.

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Zhejiang Junwei Electric Co., Ltd.
Zhejiang Junwei Electric Co., Ltd.
Zhejiang Junwei Electric Co., Ltd. upholds the core values of quality, innovation and integrity. Over the past 19 years, these principles have enabled us to grow into a leading manufacturing and trading enterprise and drive our commitment to delivering outstanding products.
Since the company’s founding, Zhang Shuping, founder of Junwei Electric, has always emphasized: “If people and enterprises in French-speaking African countries need electricity, they need the products and services we provide. Whether for new or existing demand, we wholeheartedly supply them with the products and services they require.” Providing customers with high-quality products supported by professionally skilled staff is the mission and passion of the Junwei Electric family.
Zhejiang Junwei Electric Co., Ltd. specializes in providing integrated solutions. Since 2007, Junwei Electric has kept a simple promise: to offer the most reliable products, the most reliable team and the most reliable services at the most competitive prices. With abundant inventory and a strong supplier network, Junwei is committed to delivering a hassle-free experience for customers. All products are certified for safety and reliability, ready for immediate operation.
Quality, Innovation, Integrity – Your Trusted Electrical Partner
We focus on the R&D and production of high and low voltage electrical products, including circuit breakers, meter boxes and fuses. Our products are exported to many African countries such as Cameroon, Côte d’Ivoire, Morocco and Burkina Faso. We have also established long-term and stable cooperative relations with power authorities in Senegal, Gabon, Benin, Guinea and other countries, serving as their important supplier of low-voltage electrical products in China.
We have a professional R&D team and laboratory, dedicated to product innovation and technological upgrading. We firmly believe that progress stems from demand, curiosity and the pursuit of excellence. Therefore, all finished products undergo multiple strict inspections to ensure stable and reliable performance.
We do not merely sell products – we deliver peace of mind. With a complete after-sales service system and efficient supply chain management, we have won the long-term trust of overseas customers. Our promise is simple: to provide safe, durable and economical electrical solutions with our professional expertise and attentive service.
Our persistence in quality has earned us an excellent reputation.
Innovation is our driving force, and reliability is our promise.
All our production and quality management systems meet or exceed CE and ISO standards. The products you receive are certified, safe and reliable, and can be installed and used directly.
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