ultra rapid fuses
Rated current:200A
Protection:aR
Breaking Capacity:AC100kA,DC50kA
Certificates:TUV,CE,CCC
Compliance:RoHS
Conform to IEC60269,environmentally ISO8820,JASOD622and GB/T31465
MOQ:5 PCS
Serivce:OEM(rated current,rated voltage,break capacity)
Ultra Rapid Fuses: Precision Protection for High-Voltage Systems
When milliseconds matter, ultra rapid fuses are your frontline defense against catastrophic electrical failures. Designed for electric vehicles (EVs), renewable energy systems, and semiconductor applications, our fuses interrupt fault currents in <1ms—critical for preventing thermal runaway in lithium-ion batteries or protecting sensitive power electronics. With 20+ years of R&D expertise rooted in Xi'an, China's fuse innovation hub, we deliver automotive-grade reliability certified by IATF 16949, CE, and TUV.
Product Specifications
| Feature | Specification |
|---|---|
| Rated Voltage | 500VDC – 1000VDC |
| Current Range | 10A – 800A |
| Breaking Capacity | 50kA @ 1000VDC |
| Response Time | <1ms (ultra-rapid interruption) |
| Operating Temperature | -40°C to +125°C |
| Compliance | IEC 60269-4, UL 248-14, RoHS |
Why Our Ultra Rapid Fuses Stand Out?
1. Life-Saving Speed
Engineered for EV battery packs and fast-charging stations, our fuses act within milliseconds to stop arc faults, reducing fire risks in high-voltage DC systems.
2. Built for Extreme Conditions
Survive thermal cycling (-40°C to +125°C) and mechanical vibrations, making them ideal for harsh environments near EV motors or solar inverters.
3. Customization Without Compromise
Need a compact fuse for tight spaces? Adjustable voltage/current ratings? We tailor designs to match your schematics—no minimum order quantity for prototyping.
4. Automotive-Grade Trust
IATF 16949-certified production ensures every fuse meets strict automotive functional safety (ISO 26262) and durability standards.
Where They Excel?
Electric Vehicles
- Battery Management Systems (BMS)
- Charging Ports & Power Distribution Units
Renewable Energy
- PV Inverters & Wind Turbine Converters
- Energy Storage Systems (ESS)
Industrial Electronics
- Semiconductor Protection (IGBTs, MOSFETs)
- DC Power Supplies
Why Partner With Us?
Decades of Expertise, Future-Ready Solutions
Our ultra rapid fuses technical team—with roots in China XD Group and Xi’an Jiaotong University—combines legacy knowledge with cutting-edge R&D.
Certifications That Open Global Doors
CE, TUV, CCC, and RoHS certifications simplify compliance for markets in Europe, North America, and Asia.
Quality You Can Measure
Every batch undergoes pre-production sampling and ISO 9001 inspections to ensure consistency—even at 500,000+ units/month.
Fast-Track Support
Urgent order? We offer rapid prototyping (5-7 days) and scalable logistics to keep your EV production on schedule.
R&D Capability
Collaborating with Xi'an Jiaotong University, we pioneer fuse technologies for next-gen 1500V solar arrays and 800V EV platforms.
Certifications
IATF 16949, CE, TUV, CCC, and RoHS certifications included.
Shipping & Packaging
Anti-static, moisture-proof packaging with DDP/DAP options for bulk orders.
Factory Strength
Automated lines produce 500,000+ products monthly, backed by ISO 9001 quality control.
Factory Strength

R&D Capabilities

Quality Certification

Delivery Packaging

Exhibition

FAQ
Q: Can your products handle 1500V DC systems?
A: Yes! Customizable up to 1500VDC with <1ms response.
Q: Do you provide test reports for IEC 60269-4?
A: Absolutely—certified lab reports come with every order.
Q: What's the lead time for1,000 units?
A: 15-20 days standard; expedited shipping available.
Q: Are materials RoHS-compliant?
A: Yes—100% compliant for EU/Asian markets.
Contact Us
Need an ultra rapid fuses that keeps pace with your innovation? Email fusemaker@163.com for specs, pricing, or custom requests. Responses within 4 hours!
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