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Fuse link is a key accessory which shall be assembled with drop out fusecutout while using it,in order to protect the line apparatus by interruptingthe current from short-circuit and overload. Type K and Type T fuse links are made in complete accordance with standards ANSI/NEMA. Other links meet all the standards except those covering time-current characteristics. Time-current characteristics for links other than K and T links are not covered in the ANSI standards. Fuse links assure system protection because they are precision manufactured. The fusible materials used in Fuse Links are under continual control during manufacture. Pre-tested to guarantee their electrical values, these materials are held to precise tolerances. At critical points during the manufacturing process, rigid inspections are made.
Product Advantage |
1. Superior Melting Characteristic & Fast Protection
With a melting ratio of only 6–8, the K‑type fuse provides much faster response than traditional T‑type fuses (melting ratio 10–13). It quickly senses overload and short‑circuit faults, cuts off the fault current promptly, and reduces thermal and dynamic stress on transformers and lines, significantly improving equipment safety and service life.
2. Low‑Temperature Fusing & High Fire Safety
Adopting special low‑temperature melting materials, it avoids high‑temperature copper liquid and intense sparks over 800°C during fuse breaking. Low‑temperature arc characteristics enable rapid spark extinguishing in the air, and sparks can be safely extinguished even if falling to the ground, effectively eliminating fire hazards in outdoor distribution networks.
3. Compliant with International & National Standards
Developed and produced strictly in accordance with IEC 60282 international standards, the fuse features stable performance and high consistency. It is an officially recommended product by the Ministry of Energy of China, with mature technical indicators and fully meeting the operational requirements of 1–36 kV medium‑voltage overhead distribution systems.
Technical Parameters |
Rated Current(A) | Dimension(mm) | QUANTITY/CARTON | ||||
A | B | C | D | E | ||
1-20 | 12.5±0.2 | 19.0±0.2 | NOTE1 | 2.0 | 8.0 | 500 |
30-40 | 12.5±0.2 | 19.0±0.2 | 3.0 | 8.0 | ||
50-75 | 19.0±0.3 | (Not applicable) | 4.0 | 10.0 | 250 | |
100-120 | 19.0±0.3 | (Not applicable) | 5.0 | 10.0 | 250 | |
140-200 | 19.0±0.3 | (Not applicable) | 7.0 | 12.0 | 250 | |
Product Uses |
1. 10 kV AC Power Distribution Systems
Suitable for AC 50 Hz, 10 kV medium‑voltage power networks. When used in conjunction with load switches and other protective devices, it forms a complete protection scheme, ensuring stable and safe operation of the entire distribution system under normal and fault conditions.
2. Backup Protection for American Box Transformers
Primarily applied as dedicated backup protection in American‑style box transformers. It provides reliable secondary protection for transformers, effectively preventing damage caused by sustained overloads and unexpected short‑circuit faults that may not be fully cleared by primary protection devices.
3. Overload & Short‑Circuit Protection for Electrical Equipment
Offers targeted overload and short‑circuit protection for distribution transformers and other related power equipment. It quickly disconnects fault circuits, isolating faults in a timely manner to avoid fault spread and reduce the risk of burnout or damage to key electrical assets.
FAQ |
Q: How do you ensure that the product quality meets the standards?
A: Each product export will go through Visual & Dimensional Inspection, Temperature Rise Test, Mechanical Operation Test, Sealing Test, Vibration Test, Shock Test and striker Test.
Q: Why should I choose your company?
A: Superior quality, low price, professional technical team, rich experience, timely delivery time, excellent after-sales service, and good reputation.
Q: How long will it take for me to receive the quotation?
A: For customized products, we will provide a quotation within 48 hours after you provide the required product details, as we need time to calculate costs, but we will provide a quotation as soon as possible.
Q: Our products and packaging can be printed customer's brand?
A: Yes, just need customer's certification of distribution.
Q: We only need some products inner parts/components, could you sell that?
A:Yes, we can.