Zhejiang Chifeng Electric Co., Ltd. is one of the leading manufacturers and suppliers of cfb-1000 400a 1000vdc charging station fuse in China, also supports customized service. Welcome to wholesale bulk cfb-1000 400a 1000vdc charging station fuse made in China here and get quotation from our factory. For price consultation, contact us.
Applied Range
High Quality Materlals
Silver/Copper-Silver Alloy Design
The fuse element made of high purity silver or alloy 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
Fiberglass Melamine Body
The fuse body is made of Fiberglass Melamine, which has theadvantages of high temperature resistance, high insulation, high mechanical strength, and chemical inertness.
Product Details
| Parameter | |
| Product name | CFB1000-5 |
| Application | EV Automotive |
| Test standards | IEC60269 |
| Rated voltage ue | 1000V DC |
| Rated current | 350-500A |
| Rated breaking capacity |
50kA |
| Brand name | CHIFENG |
| Place of origin | China |
| Zhejiang | |
Professional Fuse Manufacture
35+ years professional and reliable fuse manufacture in China.
ISO 9001 certified factory with intellectualized and automated capabilities.
Complete test facilities with highly qualified experts.
| Module | Chifeng EV Charging Fuse | Inferior EV Charging Fuse | Performance impact |
| Fusant material | Silver/Copper-Silver Alloy | Pure copper with excessive impurities | Inaccurate fusing, easy to cause overcurrent damage to the charging pile; poor arc resistance, easy to generate continuous arcing |
| Sheathing material | Fiberglass Melamine Body | Ordinary PP/PC/ABS plastic | Low temperature resistance, easy to soften and deform under high temperature; poor insulation performance, easy to cause leakage and short circuit |
| Filler quality | High-grade quartz silica,Filling tightly | Recovery of waste quartz sand | Affect the arc extinguishing speed |
| Contact material | Silver-Plated Brass Alloy Contact | Waste copper recovery material | High contact resistance, easy to generate heat and burn; poor corrosion resistance, easy to oxidize and cause poor contact |
| Performance index | Chifeng fuse | Inferior fuse | 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
6. Why Choose EV-Specific Fuses?
•vs. Traditional Fuses: Standard fuses lack the speed to protect semiconductors and cannot handle the dv/dtrates of DC fast charging .
•vs. Circuit Breakers: Breakers respond in 20–50 ms-too slow to prevent IGBT destruction during short circuits .
Conclusion: Enabling the Future of Electric Mobility
EV Charging System Fuses are not mere components but mission-critical safety enablers for the electrification ecosystem. By combining microsecond-level fault response, resilience to extreme environments, and compliance with evolving global standards, they ensure that charging infrastructure keeps pace with vehicle innovation. As SINOFUSE emphasizes, these fuses are "the barrier between routine operation and catastrophic failure" in high-stakes EV applications
. For engineers and operators prioritizing uptime and safety, investing in advanced EV fuses is non-negotiable for building trustworthy and scalable EV networks.
High-Performance EV Charging Fuse: Advanced Protection Solutions for Electric Vehicle Charging Infrastructure & On-Board Systems
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.
