14*85mm PV Cylindrical Fuse
The 14×85mm PV Cylindrical Fuse Link is a DC overcurrent protection device designed for photovoltaic (PV) string circuits and module-level protection in solar power systems.
Description
Product Introduction
The 14×85mm PV Cylindrical Fuse Link is a DC overcurrent protection device designed for photovoltaic (PV) string circuits and module-level protection in solar power systems.
Key Technical Specifications
|
Parameter |
Value |
|
Product Type |
PV Cylindrical Fuse Link |
|
Size Standard |
14×85mm |
|
Rated Voltage |
1000V DC / 1500V DC (system dependent variants available) |
|
Rated Current Range |
10A – 50A (series options for PV string protection) |
|
Blowing Current (Reference Model) |
50A |
|
Breaking Capacity (Interrupting Rating) |
Up to 10kA DC (PV system fault level dependent) |
|
Application |
Photovoltaic DC circuit protection |
|
Function |
Overcurrent and short-circuit protection |
|
Operating Principle |
Thermal melting under overcurrent condition (>Isc fault condition) |
|
Standard Compliance |
IEC 60269-6 (gPV photovoltaic fuse standard) |
Material and Construction
Ceramic tube housing for high mechanical strength and thermal resistance
High-temperature resistant insulating body suitable for PV outdoor environments
Internal fuse element designed for controlled melting under overload conditions
Sand-filled arc-quenching medium (typical for PV fuse structures) to assist in DC arc suppressio
Typical Applications
PV string protection circuits
Solar combiner boxes
Photovoltaic module protection systems
DC distribution lines in solar installations
Inverter DC input protection (system-level integration)
Standards & Certifications
IEC 60269-6 (PV gPV fuse standard for photovoltaic DC protection)
IEC 62930 (where applicable for PV DC cable system coordination)
CE compliance (EU market requirement for electrical safety)
UL certification: Available for specific voltage/current configurations (UL 2579 or equivalent PV fuse standards depending on market approval)
TÜV certification: Available for selected PV system-qualified series
ISO 9001 certified manufacturing system
Why Choose Us?
38+ years circuit protection manufacturing experience since 1988
16,000 m² production base in Yueqing Economic Development Zone, Zhejiang, China
20,000,000 units annual production capacity for fuse products
In-house R&D center and high-voltage DC testing laboratory
42–48 patents covering DC interruption and energy storage protection technologies
ISO 9001 certified manufacturing system with IEC / UL / CE / TÜV compliance capability
Export experience in 50+ countries with 1,200+ industrial customers
65% automated production system with batch traceability control
Engineering support for PV, BESS, EV and DC grid protection systems
FAQ
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