GFPVT1500 photovoltaic fuse (10×85)1500V PV Solar Fuses

Category:

GFPVT1500 1500V photovoltaic fuse, 10×85 mm size, designed for solar PV combiner boxes, string protection and 1500V DC solar system overcurrent protection.

GFPVT1500-10R-10x851500V-1-32A-Photovoltaic-Fuses(1)

 

 

Description

GFPVT1500 Photovoltaic Fuse (10×85) – 1500V PV Solar Fuse

Dimensions (mm)

Description

  • Strong current limiting capability
  • Low I²t value (low let-through energy)
  • Low voltage drop
  • Excellent DC performance

Standards & Approvals

  • Refer to UL-248-19/IEC 60269-1/6
  • Reach declaration available upon request
  • RoHS compliant

Features & Benefits

  • The GFPVT1500 solar fuse is designed to integrate into an in-line assembly within a wire harness
  • Provides photovoltaic (PV) protection meeting UL 248-19 for photovoltaic applications
  • Can be electrically insulated by either over-molding or using heat-shrink
  • Meets IEC 60269-6 electrical performance requirements

Product Characteristics

Item Test Condition/Methods Standard Performance
Time/Current 100% of current rating IEC 60269 / UL248-19 No Fusing; 4 hours Min.
113% of current rating   *IEC IEC 60269 60 Minutes Min.
145% of current rating   *IEC IEC 60269 60 Minutes Max.
105% of current rating   *UL UL 248-19 60 Minutes Min.
135% of current rating   *UL UL 248-19 60 Minutes Max.
200% of current rating IEC 60269 / UL248-19; 1–30A 4 Minutes Max.
200% of current rating IEC 60269 / UL248-19; 31–60A 6 Minutes Max.
Endurance Test 100% of rating current for 4 hours and testing Temperature rise at the last 5 min. IEC 60269-6 / UL248-19 ≤ 65K

Loading 100% Rated Current (1.0In A) for flowing, and it’s available to let current keep on flowing at least 4 hour without any melting.

Fuse Ratings

Part No. Fuse Amps Average @30KA/1500Vdc Power Loss (W) Approvals
A²s Melting A²t Clearing 80% 100% UL TUV
GFPVT1500-1A-10R 1 60 129 0.8 1.7 Pending Pending
GFPVT1500-2A-10R 2 119 258 1.4 2.3 Pending Pending
GFPVT1500-5A-10R 5 299 644 2.9 3.7 Pending Pending
GFPVT1500-8A-10R 8 478 1030 3.1 4.2 Pending Pending
GFPVT1500-10A-10R 10 606 1290 2.9 3.7 Pending Pending
GFPVT1500-12A-10R 12 728 1548 3.2 4.7 Pending Pending
GFPVT1500-15A-10R 15 910 1935 2.9 4.7 Pending Pending
GFPVT1500-20A-10R 20 728 1548 3.3 6.1 Pending Pending
GFPVT1500-25A-10R 25 918 1969 3.5 6.3 Pending Pending
GFPVT1500-30A-10R 30 1224 2625 3.8 7.2 Pending Pending
GFPVT1500-32A-10R 32 1820 3308 4.7 7.4 Pending Pending

DC Cold Resistance are measured at <10% of rated current in ambient temperature of 25℃;

FAQ|PV Solar Fuse

1.What is a PV solar fuse?

PV solar fuse is a DC-specific overcurrent protection component specially designed for solar photovoltaic systems. It is used in DC circuits such as PV strings, inverters and energy storage systems to prevent equipment damage from overload and short-circuit faults and ensure the safe operation of PV systems.

2.What is the difference between PV fuses and ordinary fuses?

PV fuses are DC-specific, suitable for 1000VDC/1500VDC PV high voltage, with strong DC arc extinguishing ability; ordinary fuses are mostly for AC use, and their arc extinguishing and voltage resistance performance cannot meet the safety requirements of PV DC circuits, so mixed use is strictly prohibited.

3.What are the main applications of PV solar fuses?

Widely used in solar PV strings, PV inverters, distributed PV power stations, centralized PV power stations, residential PV systems, PV energy storage systems, charging piles and solar DC power distribution equipment.

4.What core parameters should be paid attention to when selecting PV solar fuses?

Core parameters include rated DC voltage (1000VDC/1500VDC), rated current, breaking capacity, arc extinguishing performance, flame retardant grade, operating temperature, compatible fuse holder, safety certification, which must match the PV system circuit specifications.

5.How to select the rated current of PV solar fuses?

election formula: Fuse rated current = PV string short-circuit current × 1.25-1.56 times. It is necessary to avoid system startup surge current to prevent accidental blowing during normal operation, and match the maximum series fuse rating of modules.

6.What safety certifications are required for PV solar fuses?

Mainstream certifications include TÜV, UL, CE, IEC. For export to PV markets such as Europe, America and Southeast Asia, corresponding certifications must be obtained to ensure that products meet local PV electrical safety standards.

7.What are the reasons for frequent blowing of PV solar fuses?

Common reasons: PV string short circuit, module failure, reverse wiring, current overload, mismatched fuse model, DC arc fault, and parameter offset caused by excessive ambient temperature.

8.Can PV solar fuses be replaced directly after blowing?

No. It is necessary to first check the root causes of faults such as circuit short circuit, module failure and wiring error. After eliminating the problems, replace the PV-specific DC fuse with the same specification, voltage and current, and it is forbidden to replace it with a higher current model.

9.What is the service life of PV solar fuses?

Under normal outdoor PV environment, with standardized installation and use, the service life can reach 3-5 years; if it is in high temperature, humid and dusty environment for a long time, regular annual inspection is required, and replace it in time if aging, discoloration or poor contact occurs.

10.Do PV solar fuses support customization?

Customization is supported, including rated DC voltage, rated current, size specification, pin/wiring mode and flame retardant grade. Exclusive safety certifications can be handled as required to adapt to customized needs of different PV systems.

GFPVT1500 Photovoltaic Fuse (10×85) 1500V PV Solar Fuses

The GFPVT1500 is a cylindrical photovoltaic fuse with standard 10×85 mm dimensions, specially engineered for 1500V DC solar power systems. It provides reliable overcurrent and short-circuit protection for PV string circuits, combiner boxes, and solar distribution units, making it a widely used component in modern utility-scale and commercial solar installations.

Key Specifications

  • Model: GFPVT1500
  • Size: 10 × 85 mm (cylindrical)
  • Rated Voltage: 1500V DC
  • Application: PV solar string & combiner box protection
  • Type: Photovoltaic dedicated fuse
  • Standards: IEC 60269-6, UL 248-17, RoHS

Core Features

1. 1500V DC PV System Compatibility

Optimized for high-voltage 1500V DC solar systems, the GFPVT1500 delivers stable arc extinguishing and safe breaking performance in pure DC environments, which is critical for modern solar farm designs.

2. Standard 10×85 mm Cylindrical Size

With a universal 10×85 mm form factor, this fuse is fully compatible with most standard PV fuse holders and combiner box designs, enabling easy replacement and retrofitting.

3. Excellent Current-Limiting Performance

As a photovoltaic-specific fuse, it features fast-acting characteristics and low I²t let-through energy, effectively protecting solar panels, cables, and system components from short-circuit damage.

4. High Weather & UV Resistance

Built to withstand outdoor operating conditions, including high temperature variations, humidity, and UV exposure. The ceramic body ensures long-term stability and insulation performance.

5. Low Contact Resistance & High Reliability

Tin-plated copper contacts provide low resistance and high conductivity, reducing power loss and ensuring stable performance over the product’s service life.

Typical Applications

  • Solar PV string protection
  • PV combiner boxes
  • 1500V DC solar distribution systems
  • Commercial and industrial solar power stations
  • Utility-scale photovoltaic power plants
  • Retrofit and replacement for existing PV fuse systems

Why Choose GFPVT1500 1500V Solar Fuse?

  • Dedicated design for 1500V DC photovoltaic systems
  • Standard 10×85 mm size for broad compatibility
  • High breaking capacity for DC short-circuit protection
  • Suitable for long-term outdoor use
  • Complies with international PV safety standards
  • Cost-effective and widely used in solar projects
For installers, EPC contractors, and system designers seeking a dependable 1500V 10×85 mm photovoltaic fuse, the GFPVT1500 provides stable, efficient, and maintenance-friendly protection for solar PV systems.