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1500VDC Square Fuse for Solar

1500VDC Square Fuse for Solar

The 1500VDC Square Fuse for Solar is a gPV-class DC overcurrent protection device used in photovoltaic power generation systems.

Description

Product Introduction

 

The 1500VDC Square Fuse for Solar is a gPV-class DC overcurrent protection device used in photovoltaic power generation systems. 

 

Technical Specifications

 

Parameter

Specification

Model Number

CFPV-H1XL

Product Type

PV Fuse Link / Solar DC Fuse

Application Class

GPV (Photovoltaic DC Protection)

Rated Voltage

1500V DC

Rated Current

250A

Breaking Capacity

50kA (DC)

Power Dissipation

≤ 30 W (typical at rated current, IEC 60269-6 test condition)

Voltage System Compatibility

Up to 1500V DC photovoltaic systems

Standard Compliance

IEC 60269-6

Installation Type

Square fuse for PV combiner box / DC distribution holders

Operating Environment

Outdoor photovoltaic systems (thermal cycling conditions)

Country of Origin

China

 

Key Features

 

1500VDC rated gPV fuse link for photovoltaic DC protection systems.
Ceramic fuse body with sand-filled arc-quenching medium for DC fault interruption.
Silver-plated end caps with low-resistance electrical contact interface.
Square mechanical format compatible with PV combiner box fuse holders.
High breaking capacity structure rated up to 50kA for DC short-circuit conditions.  

 

Applications

 

PV string protection circuits
Solar combiner box DC protection
Inverter DC input protection
DC distribution panels in photovoltaic systems
Utility-scale solar power plants
Commercial and industrial rooftop PV installations 

 

Compliance & Certifications

IEC 60269-6 (Photovoltaic fuse standard)

GPV utilization class compliant design

ISO 9001 manufacturing system

CE / RoHS compliance available depending on market requirements

UL / TÜV certification available for selected product lines

 

Manufacturing Capability

Factory area: 16,000 m²

Employees: 100+ professionals

Annual production capacity: 20,000,000 fuse units

Industry experience: 38+ years in fuse technology

Automation level: ~65% production automation

Integrated R&D, manufacturing, and testing system

product-775-346

 

FAQ

 

Q: What is a 1500VDC solar fuse used for in PV systems?

A: DC overcurrent protection for PV strings, combiner boxes, and inverter DC inputs in 1500V photovoltaic systems.

Q: How does a gPV fuse differ from a standard DC fuse in solar applications?

A: It is specifically engineered to handle unique PV current profiles, including low-level reverse currents and intense thermal cycling under varying outdoor irradiance conditions.

Q: Can a 1500VDC photovoltaic fuse be used in 1000V solar systems?

A: Yes, provided that the system current rating, voltage margin, and protection coordination align with IEC 60269 design principles.

Q: What factors affect PV fuse selection in combiner box design?

A: PV string short-circuit current (Isc), inverter DC input limits, temperature derating, cable rating, and system-level selective coordination.

Q: Why is breaking capacity critical in solar DC fuses?

A: It ensures safe interruption of high-energy DC fault currents and limits I²t energy let-through under severe short-circuit conditions up to 50kA.

Q: What is the typical lead time for bulk PV fuse orders?

A: Standard production lead time is 2–3 weeks depending on order volume and configuration requirements.

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