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Home > Electrical & Electronics > Passive Components > Capacitor > 750V/1000V High-Capacity Auto Fuse 200A/500A/800A for EV Battery Protection

750V/1000V High-Capacity Auto Fuse 200A/500A/800A for EV Battery Protection

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Product Spotlights

Jinhua Dika's ISO9001-certified 750V/1000V High-Capacity Auto Fuses (200A/500A/800A) deliver critical protection for EV battery systems. Featuring ultra-fast response, ceramic housings for superior arc quenching, copper alloy terminals, and wide temperature tolerance (-40°C to +125°C), they ensure safety & reliability. Customizable ratings/terminals, backed by global export expertise and major port shipping, support diverse EV applications worldwide.

US$ 1 - 3 MOQ: 100 Units

Key Specifications

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Application:

Other, Electric Vehicle Battery Protection

Rated Voltage:

750V DC / 1000V DC

Current Rating:

200A, 500A, 800A (Customizable)

Contact Supplier Request Quote Chat Now

Jinhua Dika Electrical Equipment Co., Ltd.

1Yr

Payment & Shipping

Payment Methods:

Port of Shipment:

China

Delivery Detail:

Delivery time depends on order quantity.

Product Details
Company Profile
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Application Other, Electric Vehicle Battery Protection

Rated Voltage 750V DC / 1000V DC

Current Rating 200A, 500A, 800A (Customizable)

Breaking Capacity High (DC Circuit Protection)

Material Copper alloy terminals, Ceramic housing

Certification ISO9001 Certified Manufacturing

Terminal Type Bolt-on / Blade (Optional)

Operating Temperature -40°C to +125°C

Response Speed Ultra-Fast Acting

As a specialized manufacturer of electrical protection components, Jinhua Dika Electrical Equipment Co., Ltd. leverages its ISO9001 certified processes to deliver this critical 750V/1000V High-Capacity Auto Fuse series. Designed specifically for robust Electric Vehicle (EV) battery systems, these fuses provide essential circuit protection against overcurrent and short-circuit hazards, safeguarding expensive battery packs and power electronics. Our commitment to quality and reliability, backed by an annual export value exceeding US$1 Million to global markets including North America, Europe, and Asia, ensures you receive components engineered for demanding automotive applications.

Core Features & Technical Advantages:

High Voltage & Current Handling: Engineered for 750VDC and 1000VDC systems, available in 200A, 500A, and 800A ratings to match diverse EV power requirements.
Superior Protection: Ultra-fast acting design minimizes arc energy during fault conditions, effectively isolating faults to prevent catastrophic damage to battery modules and inverters.
Robust Construction: Features high-purity copper alloy terminals for minimal resistance and excellent conductivity, housed in durable, heat-resistant ceramic bodies ensuring stability under high thermal stress.
Wide Temperature Tolerance: Reliable operation across an extreme range from -40°C to +125°C, suitable for harsh automotive environments.
High Breaking Capacity: Capable of safely interrupting very high fault currents inherent in large EV battery systems.
Flexible Configuration: Bolt-on or blade terminal options available to suit different battery pack and junction box designs.

Key Technical Specifications:

Parameter	Value
Rated Voltage (DC)	750V, 1000V
Rated Current (A)	200A, 500A, 800A (Other values customizable)
Breaking Capacity	High (Specific kA rating available upon request)
Housing Material	High-Strength Ceramic
Terminal Material	Copper Alloy (Tin-plated)
Operating Temperature Range	-40°C to +125°C
I²t Value	Optimized for battery protection (Detailed data sheet available)
Standards	Designed to meet relevant automotive electrical protection standards

Benefits for Your EV Applications:

Enhanced System Safety: Critical layer of protection for high-voltage battery systems, reducing fire risk and component damage.
Improved Reliability: High-quality materials and manufacturing ensure consistent performance and longevity in demanding EV use cases.
Design Flexibility: Multiple current ratings and terminal options facilitate integration into various battery pack architectures.
Reduced Downtime: Reliable fault isolation helps prevent cascading failures, minimizing vehicle downtime and repair costs.
Compliance Support: Contributes to meeting stringent safety requirements for electric vehicles.

Trusted Manufacturer Backing:

Jinhua Dika Electrical Equipment Co., Ltd., based in Zhejiang, China, is a dedicated manufacturer with proven expertise in electrical protection. Our ISO9001:2015 certification underpins our commitment to consistent quality control throughout production. With an annual export value of US$1 Million - US$1.5 Million, we successfully serve diverse and demanding markets worldwide, including North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. We ship efficiently from major Chinese ports (Shanghai, Tianjin, Guangzhou, Ningbo), ensuring timely global delivery. Partner with us for high-capacity EV fuses that combine robust protection, manufacturing reliability, and global supply chain capability. Contact us today to discuss your specific requirements or request samples.

Frequently Asked Questions (FAQ):

Q: Are these fuses suitable for both 750V and 1000V EV battery systems?
A: Yes, this series includes fuses specifically rated for 750VDC and others rated for 1000VDC operation. Please specify your required voltage rating when inquiring.
Q: Can I get custom current ratings beyond 200A, 500A, and 800A?
A: Yes, as a manufacturer, we offer customization. Other current ratings can be developed based on your specific application requirements and technical specifications.
Q: What certifications do these fuses hold?
A: Our manufacturing process is ISO9001:2015 certified, ensuring quality management system compliance. Specific fuse certifications (e.g., UL, CE, TUV) can be discussed based on target market requirements and project needs.
Q: How does the ceramic housing benefit the fuse in EV applications?
A: Ceramic offers excellent arc-quenching properties, high mechanical strength, and superior thermal resistance compared to plastic housings. This is crucial for safely containing and extinguishing arcs generated during high-current interruptions in high-voltage DC circuits.
Q: What is the typical lead time for orders?
A: Standard models often have stock availability. For larger or customized orders, lead times vary but we prioritize efficient production and shipping from our ports (Shanghai, Tianjin, Guangzhou, Ningbo) to ensure timely delivery globally.
Q: Do you provide technical support or datasheets?
A: Absolutely. We provide comprehensive technical datasheets for our fuses upon request. Our engineering team is also available to offer technical support for integration into your battery protection system design.
Q: Are samples available for testing?
A: Yes, samples of our standard models are typically available for evaluation and testing in your application. Contact us to discuss sample availability.
Q: What are the main differences between bolt-on and blade terminal types?
A: Bolt-on terminals provide a very secure, high-pressure connection ideal for high-current paths and vibration resistance. Blade terminals offer easier insertion/removal and are common in certain connector types. The choice depends on your battery pack's junction box design and connection strategy.