High - Performance Outdoor High - Voltage AC Drop Fuse for Reliable Power Protection
Our Outdoor High - Voltage AC Drop Fuse is a critical component designed to provide reliable short - circuit protection in 12kV power distribution systems. It serves as an essential safeguard for distribution line branches and the primary side of distribution transformers, ensuring the stable and safe operation of the power grid.
1. Exceptional Design and Structure
- Rigorous and Rational Layout: The fuse is engineered with a meticulously designed overall structure. Every component is carefully selected and assembled with precision. High - quality materials are used throughout, from the conductive parts to the insulating components. The assembly process adheres to strict quality control standards, resulting in a product with stable performance, reliable operation, and smooth - functioning mechanisms. This not only guarantees the fuse's effectiveness during normal operation but also ensures that it can respond accurately and promptly in the event of a short - circuit.
- User - Friendly Operation: We understand the importance of ease of use in the field. The design of our fuse allows operators to perform installation, maintenance, and switching operations with relative ease. This reduces the time and effort required for fieldwork, minimizing potential human errors and improving overall work efficiency.
2. Superior Material Quality
- High - Precision Accessories: All accessories of the fuse are not only designed with precision but also crafted from top - grade materials. Advanced processing technologies are employed to ensure high product accuracy and excellent interchangeability. This high - quality construction not only enhances the fuse's performance but also extends its service life, reducing the need for frequent replacements and maintenance, thereby saving costs in the long run.
3. Impressive Mechanical and Electrical Performance
- Superior Mechanical Performance: During full - gate operation, the melting tube of the fuse moves with remarkable precision. It remains firmly in place without any shaking, bouncing, or unexpected tripping. This mechanical stability is crucial for the reliable operation of the fuse, especially during repeated operations and in harsh outdoor environments.
- Exceptional Fault - Breaking Capacity: Our fuse is capable of handling a maximum short - circuit fault current of 16kA. Its fault - breaking mechanism is highly reliable and independent of the magnitude of the fault current. Whether it's a small - scale or large - scale short - circuit, the fuse can quickly and effectively cut off the faulty circuit, protecting the power distribution system from further damage.
4. Specialized Features for Outdoor Use
- Anti - UV and Water - Resistant Melting Tube: The melting tube is made of a combination of epoxy - resin glass - fiber winding tube and arc - dielectric materials. Its outer layer is coated with a special anti - UV outdoor paint, which not only protects the tube from the harmful effects of sunlight but also provides excellent water - resistance. This ensures the long - term durability of the melting tube, even in extreme weather conditions. The optimized geometric size and single - ended exhaust design further enhance the tube's ability to extinguish arcs, allowing it to handle both large and small fault currents effectively.
- Galvanized Ice Hood: To address the challenges of cold and wet weather, the fuse is equipped with a galvanized ice hood. This hood prevents rainwater from flowing over the stainless - steel spring and upper contacts, effectively preventing the top of the fuse from being immobilized due to freezing. This feature ensures that the fuse can operate properly in regions with harsh winters and frequent icing.
5. High - Quality Electrical Contacts and Connections
- Silver - on - Silver Contacts: The conductive contacts at both ends of the fuse feature a silver - on - silver structure. This design significantly reduces contact resistance, ensuring highly reliable electrical conductivity. By minimizing resistance, the risk of overheating and electrical failures due to poor contact is greatly reduced, improving the overall safety and efficiency of the power distribution system.
- Reliable Connection Components: The fuse uses high - strength silver - plated copper trunnions, cast copper ear shells, and stainless - steel expansion force through the mandrel to ensure the stable and reliable connection between components. The parallel trench terminals, which are cast and silver - plated, provide two pressure line grooves for simple and reliable wiring. These connection components are designed to withstand the mechanical and electrical stresses of long - term operation, ensuring the integrity of the power - conducting path.
6. Wide - ranging Applications
- Power Distribution Networks: Our Outdoor High - Voltage AC Drop Fuse is widely used in 12kV distribution lines, playing a crucial role in protecting the power grid from short - circuit faults. It can be installed at various points along the distribution line, such as branch lines and near distribution transformers, to ensure the safe and stable operation of the entire power distribution system.
- Industrial and Commercial Facilities: It is also an ideal choice for industrial plants, commercial buildings, and other facilities that require a reliable power supply. By providing effective short - circuit protection, the fuse helps to safeguard the electrical equipment within these facilities, preventing costly damages and downtime.
The Outdoor High - Voltage AC Drop Fuse is a high - performance, reliable, and durable product that meets the stringent requirements of modern power distribution systems. With its advanced design, superior materials, and excellent performance, it is the perfect choice for ensuring the safety and stability of your power supply.
|
The main technical parameters |
Table I |
|
Model |
Rated voltage
kV |
Rated current
A |
kA |
10 seconds thermal stable current
kA |
|
peak |
Valid values |
|
(H)GW
|
10
12
15 |
200 |
5 |
9 |
5 |
|
400 |
21 |
15 |
10 |
|
600 |
35 |
25 |
14 |
|
630 |
35 |
25 |
14 |
|
800 |
35 |
25 |
14 |
|
1000 |
50 |
35 |
20 |
|
Contact force parameters |
Table II |
|
Model |
Rated current(A) |
contact pressure(kgf) |
|
(H)GW |
5 |
9 |
|
21 |
15 |
|
35 |
25 |
|
35 |
25 |
|
35 |
25 |
|
50 |
35 |
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