Zhejiang Chifeng Electric Co., Ltd. is one of the leading manufacturers and suppliers of xrnt 40a 24kv high voltage fuse in China, also supports customized service. Welcome to wholesale bulk xrnt 40a 24kv high voltage fuse made in China here and get quotation from our factory. For price consultation, contact us.
Applied Range
Power System

High Quality Materlals

High Purity Copper Material
The fuse element made of high purity copper metal material has the advantages of high electrical conductivity, good stability, low power consumption and low temperature rise.

The arc-extinguishing medium of the fuse is high-grade quartz silica. The advantage of this material is that it can extinguish the arc generated during the operation of the fuse, providing better heat resistance and higher arc discharge resistance.
High Grade Quartz Sand

High Performance Ceramics
The fuse body is made of high- performance ceramics, which has theadvantages of high temperature resistance, high insulation, high mechanical strength, and chemical inertness.
Product Details
Low Power Consumption And Low Temperature Rise
It can withstand physical impacts, vibrations,and mechanical stresses, ensuring that the base is not easily deformed or damaged during installation or operation.
High Short-Circuit Breaking Capacity
Interrupt currents up to 40 kA.
Robust Construction
Durable ceramic/epoxy housings and weather-resistant designs ensure longevity in harsh environments.

| Parameter | |
| Product name | XRNT Series |
| Test standards | IEC60282-1/GBT15166.2 |
| Rated voltage ue | 10kV/12kV/20kV/24kV/36kV/40.5kV |
| Rated current | 2-200A/6.3-200A/2-125A |
| Rated breaking capacity | 31.5kA/50kA/40kA |
| Brand name | CHIFENG |
| Place of origin | China |
| Zhejiang | |


Professional Fuse Manufacture
38+ years professional and reliable fuse manufacture in China.
ISO 9001 certified factory with intellectualized and automated capabilities.
Complete test facilities with highly qualified experts.


square meters of floor area
years experience
exporting countries
employees

| Module | Chifeng High Voltage Fuse | Inferior High Voltage Fuse | Performance Impact |
| Fusant material | High purity copper | Lead-tin alloy, common copper wire | Affect the fuse accuracy and reaction speed |
| Sheathing material | High-performance ceramics | Ordinary ceramics, recycled plastics | Affect insulation and arc extinguishing ability |
| Filler quality | High-grade quartz silica,Filling tightly | Ordinary quartz sand or substitute, loosely filled | Affect the arc extinguishing speed |
| Electrode material | Silver-plated copper electrode,low contact resistance | Ordinary metal, easy to oxidize | Affect temperature rise and energy consumption |
| Performance index | Chifeng fuse Holder | Inferior fuse Holder | Potential risk |
| Current-time characteristic | Precise and stable, matching the overload characteristics of the equipment | High dispersibility and instability | Mis-protection or insufficient protection |
| Breaking capacity | High breaking capacity, strong current limiting characteristics | Insufficient breaking capacity, poor current limiting effect | The fault escalates, resulting in system power outage |
| Arc control | Rapid arc extinction (microsecond level) | Slow arc extinction (millisecond level) | Cause a fire or explosion |
| Aging characteristics | Good long-term stability | Severe characteristic drift | Reliability decreases over time of use |
| Consistency | The differences between products are small | Different performance of products from the same batch | The protection effect is unpredictable |
Manufacturing Technique

laboratory

X-Ray Fluorescence Spectrometer for Sample Composition Analysis

Precision Copper Component Machining Line

Fully Automated Fusible Strip Production System

High-Purity Quartz Silica Refining and Precision Processing Line

Fully Automated Precision Electroplating System

High-Precision
Stamping Press

Automatic injection
molding machine

assembly section

Quality inspection area
The Critical Role of High-Voltage Fuses in Power System Safety
High-voltage fuses are specialized protective devices designed to interrupt excessive current flow in electrical systems operating at voltages above 1,000V (AC) or 1,500V (DC). Unlike circuit breakers, fuses offer a simple, reliable, and cost-effective means of overcurrent protection, with no moving parts to wear out or fail. When a fault occurs-whether from a short circuit, equipment malfunction, or power surge-the fuse's fusant element melts instantly, breaking the circuit and isolating the fault before it can escalate.
For industries ranging from power generation and distribution to renewable energy, manufacturing, mining, and data centers, the performance of high-voltage fuses directly impacts:
Equipment Lifespan: Fuses protect transformers, switchgear, motors, and other critical assets from irreversible damage caused by overcurrent.
Operational Continuity: Reliable fuses minimize unplanned downtime, ensuring production lines, data centers, and utility grids remain operational.
Personnel Safety: Properly rated fuses prevent arc flashes, fires, and explosions that pose severe risks to workers and facility occupants.
Regulatory Compliance: Industrial and utility operations must adhere to strict safety standards (e.g., IEC 60282-1, ANSI C37.46), requiring certified, high-performance fuses for compliance.
FAQ
Q:Do aM NH type fuses have to be marked with green color?
A:Yes, according to IEC 60269-2, the color of aM fuses should be green.
Q:Are dual-indicating NH fuses mandatory or optional?
A:Dual indicator system is optional for NH fuse.
Q:What does NH mean?
A:NH is the German abbreviation, N means low pressure, H means high breaking capacity.

