As a professional China manufacturer and supplier, Comewill develops dependable protection components for substations and electrical distribution networks. Our quality High-Voltage Fuse XRNT PT Current-Limiting Fuse is manufactured in our modern factory, providing wholesale supply, customized options, and in-stock delivery for global power projects. Designed with durable materials and strict quality control, the High-Voltage Fuse XRNT PT Current-Limiting Fuse offers stable fault protection while maintaining the cost advantages of low price, high quality, and Made in China production.
The High-Voltage Fuse XRNT PT Current-Limiting Fuse is a protective device designed for voltage transformers (PT) and high-voltage electrical circuits. Its core function is to limit fault current and quickly interrupt abnormal electrical conditions before they damage transformers or other key components.
So what problem does it solve in real applications? In substations or industrial distribution systems, sudden short-circuit currents can cause serious equipment damage. By installing the High-Voltage Fuse XRNT PT Current-Limiting Fuse, operators can effectively isolate fault currents and protect sensitive measurement and relay equipment, ensuring the entire power network continues operating safely.
The following is a breakdown of the model:
The High-Voltage Fuse XRNT PT Current-Limiting Fuse produced by Comewill China factory is developed by combining advanced international technology with our own manufacturing experience. This results in a product that performs reliably even under demanding electrical conditions.
One of its strongest advantages is high breaking capacity. With a maximum breaking current reaching 63kA, the fuse can rapidly interrupt severe fault currents before they cause equipment failure. In practical terms, this means transformers and distribution devices remain protected even during extreme electrical disturbances.
Another key feature is fast response performance. The fuse element reacts extremely quickly when abnormal current appears. For example, when a 100A rated fuse element is exposed to a 1000A expected current, the pre-arc time remains within 0.1 seconds, allowing rapid circuit interruption and reducing potential system damage.
Stable Performance and Accurate Protection
Precision is critical for transformer protection systems. The High-Voltage Fuse XRNT PT Current-Limiting Fuse maintains ampere-second characteristic accuracy within ±10%, ensuring predictable and stable protection behavior.
The fuse is also equipped with a spring-type striker device, designed with a larger contact surface and lower pressure intensity. This design improves operational reliability and prevents mechanical damage when the switch mechanism is triggered. The result is smoother coordination between the fuse and associated switchgear.
Additionally, the fuse provides excellent current-limiting capability, effectively reducing peak fault currents and minimizing thermal and mechanical stress on connected electrical equipment.
Built for Substations and Industrial Power Systems
Where is the High-Voltage Fuse XRNT PT Current-Limiting Fuse commonly used? It is widely installed in substations, transformer protection circuits, power distribution panels, and industrial electrical systems.
In these environments, stable protection directly translates into improved equipment lifespan, fewer shutdowns, and safer operation. For utilities and industrial facilities, this means lower maintenance costs and more reliable power supply.
Quality Standards and Reliable Manufacturing
Every High-Voltage Fuse XRNT PT Current-Limiting Fuse produced by Comewill manufacturer in China complies with GB/T15166.2 and IEC60282-1 international standards. Our factory applies strict quality control procedures throughout production, ensuring each fuse meets performance and safety requirements.
For projects with special requirements, Comewill supplier also provides customized service, producing non-standard specifications based on customer drawings or application needs.
High-voltage current-limiting fuse for transformer protection
| Model | Rated voltage Un(kV) | Melt rated current In(A) | Melting pipe size①xC(mm) | Remarks | ||
| XRNT | SDL ·J | 7.2 | 6.3、10、16、20、25、31.5、40、50 | φ51×292 | T-cap | |
| XRNT | SFL ·J | 7.2 | 63、71、75、80、100、125 | φ76×292 | T-cap | |
| XRNT | SXL ·J | 7.2 | 160、200、250、315 | φ88×292 | T-cap | |
| XRNT | SFM ·J | 7.2 | 100、200、125、160 | ①76×442 | T-cap | |
| XRNT | SDL ·J | 12 | 6.3、10、12.5、16、20、25、31.5、40 | φ51×292 | T-cap | |
| XRNT | SFL ·J | 12 | 50、63、71、75、80、100、125 | ①76×292 | T-cap | |
| XRNT | SXL ·J | 12 | 160、200、250、315 | φ88×292 | T-cap | |
| XRNT | SDM ·J | 12 | 6.3、10、16、20、25、31.5、40 | φ51×442 | T-cap | |
| XRNT | SFM ·J | 12 | 50、63、80、100、125 | φ76×442 | T-cap | |
| XRNT | SXM ·J | 12 | 160、200 | ①88×442 | T-cap | |
| XRNT | SDM ·J | 24 | 6.3-31.5 | φ51×442 | T-cap | |
| XRNT | SFM ·J | 24 | 40-125 | ①76×442 | T-cap | |
| XRNT | SDQ ·J | 40.5 | 2、3.15、6.3、10、16 | φ51×537 | T-cap | |
| XRNT | SFQ ·J | 40.5 | 20、31.5、40 | φ76×537 | T-cap | |
| XRNT | SXQ ·J | 40.5 | 50、63 | ①88×537 | T-cap | |
| XRNT | SKY ·J | 40.5 | 50、63 | ①76×650 | Flat cap | |
10kV maximum short-circuit breaking current(breaking capacity)50kA(h1);40.5kV maximum short-circuit breaking current 31.5kA(l2)
Minimum breaking current:4bits (below 100A)offuse ratedcurrent include 100A(13)and7bits (above 125A)of fuse ratedcurrent include 125A(13)
Address
No.777 Wanweng Road, Wengyang Sub-district, Yueqing City, Wenzhou City, Zhejiang Province, China
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