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24kV 27kV Polymer Shedding Fuse Circuit Breaker

The 24kV 27kV Polymer Shedding Fuse Circuit Breaker is engineered for high voltage applications, providing unparalleled protection against overloads and short circuits. With a lightweight composite design and hydrophobic properties, it ensures durability and ease of installation. Ideal for utility markets, it effectively manages load currents while maintaining performance over time.
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Description


Discover our advanced 24kV 27kV Polymer Shedding Fuse Circuit Breaker, designed for high voltage power distribution networks. Its superior reliability and innovative materials ensure optimal performance and safety.



Product Features



  • High Voltage Protection: This circuit breaker is crafted for outdoor environments, delivering robust protection against electrical faults in high voltage distribution systems.

  • Innovative Construction: The dropout fuse features an insulating bracket and fuse tube with both static and movable contacts, ensuring reliable and consistent operation. The load-drop fuse incorporates an elastic auxiliary contact and arc extinguishing cover, optimizing load management.

  • Material Composition: Utilizing a combination of phenolic paper and epoxy glass for the fuse tube, along with silicone rubber for composite types, this product ensures excellent durability and insulation.

  • Hydrophobic Properties: The silicone rubber retains its natural hydrophobicity throughout its service life, effectively repelling moisture and enhancing performance.

  • Temperature and UV Resistance: Built to withstand high temperatures, flashovers, and UV radiation, this fuse guarantees long-lasting reliability in various environmental conditions.

  • Weight Advantage: Our composite fuses are significantly lighter than traditional porcelain options, simplifying installation and improving handling efficiency.

  • Integrated Design: The insulator body is manufactured using integrative silicone injection molding, preventing moisture ingress while enhancing structural integrity.

  • Reduced Flexion: The design minimizes flexion of the silicone body, bolstering durability and operational performance during interruptions and re-fusings.

  • Market Adoption: With over three decades of successful use in utility markets, our composite fuses are the preferred choice for distribution, transmission, and substation applications.


Product Description


Advanced Protection for High Voltage Systems

The 24kV 27kV Polymer Shedding Fuse Circuit Breaker is specifically designed to meet the demands of modern power distribution networks. This high voltage fuse offers exceptional protection against short circuits and overloads, ensuring the safety and reliability of your electrical infrastructure. Its outdoor-friendly design allows it to function optimally even in harsh weather conditions, making it an ideal choice for utility applications.

Innovative Materials and Construction

Constructed with a combination of high-quality materials, this fuse circuit breaker features an innovative dropout design that includes static and movable contacts for enhanced operational reliability. The fuse tubes consist of an inner arc extinguishing layer and a robust outer shell made from phenolic paper or epoxy glass, providing effective insulation and durability. The use of silicone rubber in composite models ensures longevity and performance, with inherent hydrophobic properties that repel moisture.

Lightweight and Easy to Install

One of the key advantages of our 24kV 27kV Polymer Shedding Fuse Circuit Breaker is its lightweight composite design. Unlike traditional porcelain fuses, our product is easier to handle and install, significantly reducing labor costs and time. The integrated silicone molding process further enhances its reliability by preventing moisture ingress, thus extending its service life. With a proven track record of over 30 years in the utility market, this circuit breaker is the preferred solution for modern power distribution needs.

Invest in the 24kV 27kV Polymer Shedding Fuse Circuit Breaker for enhanced safety, efficiency, and durability in your high voltage applications.



Circuit switching off processes by fuse cut-out 



In case of any deficiency or problem in main lines, a short connection takes place. This short connection flows in the main lines. As soon as the current passes, the voltage of the main line drops rapidly and reaches to zero. The energy created by current passage of short connection melts the fuse element. At melting status, the temperature of fuse element (link) increases the resistance of fuse (element); and current passage decreases the pressure of both tips of fuse. When the element is melted, the spark arc current passes through the fuse; the current resistance increases quickly. So the pressure increases at both tips of fuse. The extra pressure, which not provided by main line, would be provided by circuit inductivity of trans (e=1 di/dt); and finally this inductivity causes the current to drop zero. It should be mentioned that these processes take place in a few milli-seconds and disconnection of fuses will occur in a few milli-seconds. For example, when 9 amp current passes through a 25 Amp fuse, this current will be cut in 2.7 seconds.



Application environment



  1. Ambient temperature: -40 ~ +40℃

  2. Altitude above sea level: ≤3000m

  3. Maximum wind speed: ≤35m/s

  4. Earthquake intensity: ≤8 degrees

05

Rated(KV)

Rated current(A)

Rated interrupting current(KA)

Lighting impulse withstand voltage to ground(BIL KV)

Minimum powerfrequency withstand dry voltage to ground(KV)

Minimum creepage distance(mm)

11-15

100/200

12

110

42

220

11-15

100/200

12

125

50

320

24-27

100/200

12

150

65

470

33-38

100/200

8

170

70

660

33-38

100/200

8

170

70

720

33-38

100/200

8

170

70

900



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Zhejiang SMICO Electric Power Equipment Co., Ltd. Located in Yueqing City, the China Electrical City .

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  +86-13968775537
  heymanzheng@gmail.com
  No. 88, Punan 6th Road, Economic Development Zone, Yueqing City, Zhejiang Province, China.

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