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XRNP series high-voltage current-limiting fuses serve as specialized protective devices for medium and high-voltage power systems. Featuring rapid reaction, superior breaking capacity, accurate protection performance and excellent thermal stability, these fuses can isolate fault currents within milliseconds to effectively safeguard associated electrical equipment.
Product Advantage |
1. Ultra-Fast Short-Circuit Current-Limiting Protection
Adopting millisecond-level fault interrupt technology, it can quickly cut off fault current within milliseconds, effectively suppressing fault energy and avoiding burnout or damage to transformers, switchgears and other critical equipment, greatly improving system safety.
2. Stable & Precise Overload Protection
With a wide rated current range from 1A to 630A supporting customized specifications, it provides accurate overload tripping characteristics. It ensures stable operation under long-term working conditions and offers reliable protection for distribution equipment under slight overloads.
3. Efficient & Safe Arc Extinction Performance
Built-in high-purity quartz sand is used as the arc-extinguishing medium, enabling rapid arc extinguishing during circuit breaking. No secondary arc or discharge occurs after operation, effectively eliminating potential safety hazards and ensuring stable and reliable operation.
Technical Parameters |
Model | Rated Voltage(KV) | Rated Current(A) | Rated maximum breaking current(KA) |
XRNP1-1 | 7.2(3.6)12 | 0.2, 0.3, 0.5, 1, 2, 3.15 | 50 |
XRNP1-1 | 24 | 0.2, 0.3, 0.5, 1, 2, 3.15 | 50 |
XRNP1-2 | 12 | 23.15 | 50 |
XRNP6-1 | 40.5 | 0.2, 0.3, 0.5, 1, 2, 3.15 | 31.5 |
XRNP6-3 | 0.2, 0.3, 0.5, 1, 2, 3.15, 4, 5 | ||
XRNP6-4 | 0.2, 0.5, 1, 2, 3.15, 5, 6.3 |
Product Uses |
1. High-Reliability Protection for Power Transformers
With a high breaking capacity from 16kA to 100kA, the fuse effectively limits short-circuit currents and protects power transformers from damage. It is widely used in transformer incoming and outgoing protection to ensure stable operation of main power equipment.
2. Safe Protection for High-Voltage Switchgear
It is specially designed for high-voltage switch cabinets and distribution panels. The fuse provides fast fault isolation under abnormal conditions, preventing internal arcing and equipment burnout, and greatly improving the safety and stability of power distribution systems.
3. Indoor & Outdoor Power Distribution Systems
Featuring strong environmental adaptability, it operates stably from -40℃ to +85℃, with good resistance to moisture, dust and corrosion. It can be reliably applied in both indoor distribution rooms and outdoor box-type substations.
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.
