Eaton PV-500A-3L-B Photovoltaic Fuses - UL Listed
Part Number: PV-500A-3L-B
Quick Summary
Eaton photovoltaic fuses protect solar power systems and inverters, delivering fast DC fault isolation for PV installations. Designers often face nuisance trips and slow fault clearance in high-voltage DC strings, which can damage modules and reduce uptime. These fuses carry UL Listed, IEC Rated, and RoHS Compliant certifications, with CSA and CE marks to support global deployments. As part of the Eaton Bussmann series, they provide reliable PV protection while simplifying compliance. By combining robust protection with a clear status indicator and easy bolted connections, they help engineers deliver higher system availability and lower total cost of ownership for commercial and utility-scale solar projects.
Product Information
Extended Description
PV-500A-3L-B Eaton: Eaton Bussmann series Fuse-link, high speed, 500 A, DC 1000 V, 3L, 75 x 91 x 205 mm, gPV, UL, IEC, with indicator, bolted connections
Product Name
Eaton Bussmann series photovoltaic fuses
Catalog Number
PV-500A-3L-B
UPC
051712372220
EAN
5996516000908
Product Length/Depth
217 mm
Product Height
82 mm
Product Width
94 mm
Product Weight
1200 g
Warranty
Not Applicable
Compliances
RoHS Compliant CE Marked
Certifications
IEC 60269 UL Listed CSA Certified UL Recognized CSA certified IEC Rated CCC pending
Amperage Rating
500 A
Voltage rating
1000 Vdc
Interrupt rating
50 kAIC
Class
Class gPV
Pre arc (I2T)
85000
Watt losses
85 W
Application
Photovoltaic systems, inverters
Fuse type
PV-3L-B
Fuse indicator
Top fuse status indicator
Fuse size
3L
Fitted with:
Blade with bolt holes
eaton-bussmann-series-photovoltaic-fuses-catalogue-ca135004en.pdf
eaton-bussmann-series-photovoltaic-fuses-catalogue-ca135004en.pdf
CE Square-bodied PV fuse-links
CE Square-bodied PV fuse-links
Eaton Bussmann - Products for sustainable energy
10201 XL PV fuses
Feature: High-speed PV fuse links rated to 500 A and 1000 Vdc; Business Impact: Rapid fault isolation minimizes damage to modules and inverters, improving system uptime; Application: Ideal for photovoltaic arrays and DC bus protection in solar inverters. Feature: Top fuse status indicator; Business Impact: Immediate fault visibility reduces maintenance time and service visits; Application: Field diagnostics and Commissioning in PV plants. Feature: Class gPV and DC rating; Business Impact: Ensures compliance with PV safety standards while protecting high-energy strings; Application: Grid-t tied solar installations and utility-scale projects. Feature: Bolted blade connections; Business Impact: Reliable mechanical mounting reduces contact resistance and thermal risks; Application: Rugged outdoor enclosures and raceway installations. Feature: 3L fuse size with 75 x 91 x 205 mm footprint; Business Impact: Compact footprint enables flexible enclosure design and easier retrofit; Application: Retrofit projects and new PV system builds. Feature: Fitted with a blade with bolt holes and integrated indicator; Business Impact: Simple installation and proactive status monitoring improves maintenance planning; Application: Prefabricated PV protection assemblies and inverter protection modules.
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FAQs
For 1000 Vdc PV strings, mount PV-500A-3L-B using its blade with bolt holes in a compliant enclosure. Ensure bolted connections are tightened to spec to maintain low contact resistance, and place the fuse where the status indicator is visible for quick diagnostics. Consider enclosure cooling and clearance per 217 mm length and 82 mm height to prevent heat buildup.
Yes. The PV-500A-3L-B is designed for photovoltaic systems and inverters, with Class gPV rating and a DC voltage rating of 1000 V. It carries UL Listed and IEC Rated certifications, along with CSA certifications, CE marking, and RoHS compliance, ensuring compatibility with global solar standards and safe integration into modern PV inverters.
These fuses carry UL Listed, CSA Certified and UL Recognized markings, IEC Rated, and RoHS compliant statuses, with CE marking in many markets. The documentation also references IEC 60269 conformance and ongoing CCC considerations, providing broad regulatory coverage for utility-scale and commercial PV deployments.
Key advantages include a top fuse status indicator for quick health checks, bolted blade connections for reliable electrical contact, and a compact 217 mm length that suits standard PV enclosures. Maintenance benefits come from visible status signals, predictable I2T arcing behavior, and the option to mount in rugged outdoor environments with stable mechanical support.
The 500 A, 1000 Vdc rating with a 50 kAIC interrupt capability enables rapid fault clearance, reducing damage to PV modules and inverters and lowering downtime costs. The pre-arc I2T of 85000 supports controlled, predictable fault behavior, contributing to longer system life, lower maintenance frequency, and improved overall return on investment in solar projects.