HRC Fuse With Miniature 1000V DC 500A

The Miniature HRC DC Fuse 1000V 500A is a space-saving, high-rupturing capacity protection solution designed for space-constrained industrial DC applications. Engineered specifically for high-density Battery Energy Storage Systems (BESS), solar PV combiners, and compact Power Conversion Systems (PCS), this fuse delivers maximum overcurrent and short-circuit protection within a significantly reduced footprint without sacrificing thermal efficiency or arc-quenching performance. 

High-Density Compact Footprint: Engineered with a miniature body design that reduces installation space by up to 25% compared to standard industrial HRC fuses, allowing system integrators to maximize power density inside PCS cabinets and BESS racks.
Advanced Low-Loss Silver Element: Features an optimized 99.99% pure silver element configuration with precision-stamped constriction zones. This achieves a lower power loss of only 68W at full load, minimizing temperature rise in sealed enclosures.
Automated High-Density Sand Packing: Utilizing an automated ultrasonic vibration packing process, the high-purity quartz sand filler achieves a density deviation of less than 1%. This eliminates air gaps and ensures the immediate suppression of critical 100kA short-circuit faults.
Superior Isolation Security: The high-strength alumina ceramic housing exhibits zero tracking index and resists thermal shocks up to 300 degrees C, preventing catastrophic body ruptures during extreme fault conditions. 

We provide scalable technical customization to support global Tier-1 energy storage system manufacturers and electrical distributors:

Tailored Terminal Layouts: We offer customized center-slotted, offset-slotted, or angled terminal shapes to fit non-standard or proprietary busbar designs.
Flexible Rating Adjustments: The internal silver element geometry can be calibrated to provide customized ratings (e.g., 350A, 400A, 450A) within the same compact miniature frame size.
Traceable Laser Branding: Complimentary laser etching for private labels, including customized part numbers, logos, barcodes, and unique QR codes for asset lifecycle tracking.
Rapid Engineering Samples: Prototyping and engineering sample validation lots can be completed and dispatched within 7 to 10 working days, accompanied by initial internal laboratory test data. 

Established in 1988, Zhejiang Chifeng Electric Co., Ltd. is a premier manufacturer dedicated to pioneering fuse technology and delivering high-reliability circuit safety solutions globally.

Decades of Industry Expertise:
Backed by over 35 years of specialized fuse manufacturing experience, trusted by 1,200+ clients worldwide.
Robust Technical Barriers:
Armed with 48 authorized patents (including core invention patents) and 159 qualification certificates, supported by a 65% automation rate in production.
Global Compliance & Certifications:
Formally ISO9001 certified. All products fully comply with IEC 60269 and GB 13539 standards, and hold prestigious international safety marks including CCC, CE, CB, TÜV Rheinland, and UL.
End-to-End Capability:
Operating from a 16,000 m² state-of-the-art facility, we house an in-house R&D center, a dedicated testing lab, and high-precision breaking capacity test systems.
Direct-from-Manufacturer Advantage:
Factory-direct sales model minimizes intermediary markups, ensuring top-tier quality with optimal cost efficiency. 

We understand that timing and compliance are critical to global infrastructure project schedules:

Minimum Order Quantity (MOQ): 100 units for standard specifications; 500 units for custom terminal designs.
Mass Production Capacity: Stable output of 60,000 units per month utilizing our automated assembly lines.
Export-Grade Packaging: Packaged in individual anti-static compartments, surrounded by shock-absorbing high-density polyethylene foam, and sealed within heavy-duty 5-layer corrugated export master cartons.
Flexible Shipping Terms: Available under FOB, CIF, CFR, and hassle-free DDP (Delivered Duty Paid) terms, delivering directly to your job site or warehouse in North America, Europe, and Australia with all import duties handled.
Engineering & Compliance Documents: Every shipment includes a Certificate of Compliance (CoC), Batch Inspection Reports (Factory Acceptance Testing), and 3D STEP files for seamless integration into your CAD layout files.