Photovoltaic (PV) fuses play a critical role in solar energy systems by protecting cables and PV modules from overcurrent, short circuits, and mismatch faults. These fuses ensure safety, prevent fires, and maximize system efficiency.
ETEK Solar's solar fuses are designed for DC systems up to 1500VDC, providing protection for solar panels, combiner boxes, battery storage, and more. Their adherence to international standards ensures reliable operation in photovoltaic systems.
A fuse disconnector is a switch device integrated with a fuse to provide reliable disconnection and overcurrent protection in solar DC systems. At ETEK Solar, our Fuse Disconnectors are:
• Rated Voltage: Options available for 1000VDC and 1500VDC • Current Range: Up to 50A • Design Compliance: IEC 60947-3 standard • Application: Mountable on DIN rails for secure installation in combiner boxes, battery storage, and solar panels
Standard: IEC60947-3
Rated current: 35A
Rated voltage: 1500VDC
Number of poles: 1P
Conditional Short-circuit Current: 50kA
Utilization Category: DC-PV0
Ambient air temperature: -5...+40 ºC
Standard: IEC60947-3
Rated current: 32A
Rated voltage: 1000VDC
Number of poles: 1P
Conditional Short-circuit Current: 30kA
Utilization Category: DC-PV0
Ambient air temperature: -5...+40 ºC
Standard: IEC60947-3
Rated current: 32A
Rated voltage: 1000VDC
Number of poles: 1P
Conditional Short-circuit Current: 30kA
Utilization Category: DC-PV0
Ambient air temperature: -5...+40 ºC
Fuse Links play a crucial role in safeguarding photovoltaic systems against overcurrent and short circuit conditions. Offering exceptional protection for solar panels, combiner boxes, and battery storage, ETEK Solar's cylindrical Fuse Links are:
• Rated Voltage: 1000VDC and 1500VDC • Current Ratings: 2A–50A • Utilization Category: gPV standard compliance for PV systems • Breaking Capacity: Up to 50kA for ultimate fault handling
Product Series: EKPV-NH
Fuse Class: gPV (Photovoltaic Protection)
Rated Voltage (Un): 1000V DC / 1500V DC
Rated Current (In): 32A – 400A
Rated Breaking Capacity: 50kA
Operating Temperature: -40°C to +75°C
Max Altitude: 2000m
Standard: IEC60269-6
Rated current: 25~50A
Rated voltage: 1500VDC
Size: 14x85mm
Rated breaking capacity: 30kA
Utilization category: gPV
Rated power dissipation: ≤18.8W
Operating temperature: -40°C...+80 °C
Certificates: CE, CB, TUV
Standard: IEC60269-6
Rated current: 8~35A
Rated voltage: 1500VDC
Size: 10x85mm
Rated breaking capacity: 50kA
Utilization category: gPV
Rated power dissipation: ≤9.3W
Operating temperature: -40°C...+80°C
Certificates: CE, CB, TUV
Standard: IEC60269-6
Rated current: 8~32A
Rated voltage: 1000VDC
Size: 10x38mm
Rated breaking capacity: 30kA
Utilization category: gPV
Rated power dissipation: ≤4.3W
Operating temperature: -40°C...+80 °C
Certificates: CE, CB, TUV
• Rated Voltage: The voltage rating of a fuse must be greater than or equal to the maximum system voltage.
• Rated Current: The fuse should be rated to carry the maximum current that your PV system can produce but not too high that it wouldn't protect the system in case of an overcurrent situation.
• Breaking Capacity: This is the maximum current that can safely be interrupted by the fuse. Fuse datasheets often include breaking current-time characteristics, which can be helpful in determining the appropriate fuse.
• Environmental Considerations: PV fuses must be able to withstand the environmental conditions where they will be installed. This includes temperature extremes, humidity, and exposure to sunlight.
• Standards Compliance: Ensure that the chosen fuse complies with all relevant standards and regulations.
Remember, installing an appropriately rated fuse is essential to protect your solar panel system from potential damage due to overcurrent or short circuit situations. It's always a clever idea to consult with a professional if you're unsure about which fuse to choose.
