1500VDC Din Rail PV Fuse Holder

The 1500VDC DIN Rail PV Fuse Holder is a heavy-duty, touch-safe modular fuse base designed for utility-scale solar photovoltaic (PV) systems, centralized combiner boxes, and grid-tied inverters. Specifically engineered to manage the intense thermal and electrical stresses of 1500V DC strings, this holder ensures low-loss electrical contact and safe electrical isolation for industry-standard 10x38mm cylindrical gPV solar fuses during routine line maintenance and fault clearing. 

UL 94-V0 Fire-Retardant Matrix: Molded from premium, non-tracking structural thermoplastic that achieves a UL 94-V0 flammability rating. It withstands continuous internal working temperatures up to 130 degrees C without structural deformation or outgassing.
Dual-Spring High-Force Contacts: Employs heavily silver-plated copper alloy contact clips paired with stainless steel external backup springs. This dual-force design maintains constant mechanical clamping tension, eliminating contact relaxation from thermal cycling and reducing contact resistance to less than 1.5 milliohms.
Ergonomic IP20 Touch-Safe Shroud: Engineered with a deep-set fuse carriage that fully isolates high-voltage DC terminals when opened. Operators can safely inspect or replace the internal 10x38mm fuse link without any risk of accidental direct contact with live 1500V circuitry.
Advanced UV & Humidity Resistance: The raw plastic compound integrates proprietary anti-UV stabilizers, preventing material embrittlement, structural cracking, or color fading under high-radiation solar farm environments (verified by ASTM standard weathering tests). 

We provide scalable commercial manufacturing and private labeling options for multinational electrical system integrators and panel builders:

Custom Multi-Pole Configurations: Available in pre-assembled 1-Pole, 2-Pole, or multi-pole interconnected structures via heavy-duty factory locking pins to fit your specific combiner layout.
Bespoke Visual Indicators: Optional neon or high-efficiency LED blown-fuse indicator lamps (operating from 1000V DC to 1500V DC) can be integrated directly into the front flip cover for fast troubleshooting.
Precision Private Branding: Automated high-resolution laser marking for private labels, customer inventory codes, customized wiring schematic graphics, and international approval logos.
Housing Color Adaptations: Standard industrial grey or customized body colors (such as signal black or warning orange) to align with your corporate electrical branding identity. 

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 guarantee precise delivery schedules and regulatory compliance for global large-scale solar projects:

Minimum Order Quantity (MOQ): 500 units for standard stock; 2000 units for custom configurations or private branding.
Massive Monthly Production: Automated multi-cavity injection molding lines yield up to 150,000 units per month.
Sea and Air Export Packaging: Inner boxes feature protective moisture-barrier layers, packed 10 units per box, and securely stacked in heavy-duty 5-layer outer cartons on standardized export pallets wrapped in industrial shrink film.
Flexible Global Shipping Terms: We provide full shipping logistical solutions under FOB, CIF, CFR, or complete DDP (Delivered Duty Paid) terms, delivering directly to solar project sites, free trade zones, or distribution hubs in Europe, America, and Australia.
Comprehensive Document Packages: Shipments include verified Factory Acceptance Testing (FAT) data, Certificates of Origin, Material Safety Data Sheets (MSDS for plastics), and fully compliant 3D CAD STEP models for instant drawing approval.