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The XRNM series high-voltage current-limiting fuses are specialized protective equipment designed for medium and high-voltage power systems. Characterized by fast response, high breaking capacity, precise protection performance and excellent thermal stability, these fuses are capable of isolating fault currents within milliseconds, thereby providing effective protection for 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 |
TYPE | RATED | RATED | MAIN DIMENSION(mm) | RATED | |
LENGTH | DIAMETER | ||||
WDF*O | 3.6 | 50,63,80,100,125 | 254 | 51 | 50 |
WFF*O | 125,160,200 | 76 | |||
WKF*O | 250,315 | ||||
WJF*O | 355,400 | 88 | |||
WFN*O | 7.2 | 25,31.5,40.50.63.80 | 403 | 76 | 50 |
100,125,160 | |||||
WKN'*O | 200,224,250 | ||||
315,355 | |||||
XRNM1-12 | 12 | 25,31,5,40,50,63,80,100, | 600 | 76 | 50 |
125,160,200,224 | |||||
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.
