Eaton PVS315A-3L-U-15 Photovoltaic Fuses - UL Listed
Part Number: PVS315A-3L-U-15
Quick Summary
PVS315A-3L-U-15 photovoltaic fuse protects solar arrays and inverters in PV systems. Engineers often struggle to find high-voltage protection that reliably interrupts at 1500 V and fits compact rooftop or field enclosures. It carries CE marking, RoHS compliance, and UL listing, aligning with IEC 60269 safety standards. Designed for Bussmann PV fuses, it supports efficient inverter protection and minimizes downtime, delivering cost-effective protection for solar projects. For procurement teams, the 3L form factor simplifies enclosure planning and reduces wiring complexity, while the 315 A/1500 V rating matches contemporary string configurations and ongoing system upgrades. This combination supports faster project commissioning and predictable protection behavior across diverse PV topologies.
Product Information
Extended Description
PVS315A-3L-U-15 Eaton: Eaton Bussmann series photovoltaic fuses, 315A, 1500V, 3L PV, BLA,DED W/O IND
Product Name
Eaton Bussmann series photovoltaic fuses
Catalog Number
PVS315A-3L-U-15
EAN
5996516049082
Product Length/Depth
205 mm
Product Height
82 mm
Product Width
75 mm
Product Weight
0.001 g
Compliances
CE Marked RoHS Compliant
Certifications
IEC 60269 UL Listed
Amperage Rating
315 A
Voltage rating
1500 V
Interrupt rating
100 kAIC
Class
Class gPV
Pre arc (I2T)
175000
Watt losses
55 W
Application
Photovoltiac systems, inverters
Fuse indicator
Non Indicating
Fuse size
3L
Suitable for
SD3L-S-PV XL Fuse base
eaton-bussmann-series-photovoltaic-fuses-catalogue-ca135004en.pdf
DA-DC-00004973.pdf
DA-DC-00004973.pdf
Eaton Bussmann - Products for sustainable energy
PVS-3L Fuses flyer
PVS-3L Fuses data sheet
Feature: 315 A at 1500 V rating enables direct protection of high-voltage PV strings and inverters. Business Impact: Safe disconnects under fault conditions reduce string damage and boost system uptime. Application: Utility-scale and commercial PV installations with elevated voltage profiles. Feature: 100 kAIC interrupt rating delivers rapid fault clearance and arc-energy control. Business Impact: Lower risk of downstream equipment damage and improved safety margins. Application: Inverter compartments, combiner boxes, and PV arrays where fault currents are high. Feature: Pre-arc (I2T) of 175000 supports predictable arcing behavior and controlled fault response. Business Impact: More reliable protection with reduced thermal stress on components. Application: Long-string configurations and high-energy PV systems. Feature: 3L fuse size and compatibility with SD3L-S-PV XL fuse base simplifies installation, retrofits, and field servicing. Business Impact: Faster commissioning, fewer integration errors, and easier stocking. Application: Retrofit projects and new installs in standard PV disconnect assemblies. Feature: CE, RoHS, UL certifications and IEC 60269 alignment ensure regulatory acceptance and traceability. Business Impact: Streamlined approvals, audit readiness, and lower procurement risk. Application: Industrial and utility PV projects requiring strict compliance.
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FAQs
PVS315A-3L-U-15 is designed to work with the SD3L-S-PV XL base; ensure the base is rated for 1500 V DC and compatible with 3L fuse holders. Confirm mounting space, wiring terminations, and pull-out torque per the base manufacturer guidelines. This pairing simplifies wiring, reduces enclosure footprint, and speeds field replacement during commissioning.
Key performance specs include a 315 A amperage rating, 1500 V maximum voltage, and a 100 kAIC interrupt rating, enabling fast fault clearance in high-energy PV strings. The pre-arc (I2T) value of 175,000 supports predictable arcing behavior, while a 55 W watt loss profile keeps energy dissipation manageable. Together these figures support safe, code-compliant operation in both rooftop and utility-scale installations.
Yes, the PVS315A-3L-U-15 is well suited to utility-scale PV inverter protection. Its 1500 V rating matches the higher string voltages common in large projects, while the UL listing and IEC 60269 compliance simplify regulatory acceptance. The 3L form factor supports standard PV disconnect hardware, easing installation alongside inverters, combiner boxes, and mid-run protection schemes.
Certifications for this fuse include CE Marking and RoHS compliance, along with UL Listed status and IEC 60269 alignment. These markings support compliance with EU, North American, and global safety standards for electrical protection devices. For projects requiring documentation, Eaton provides declarations of conformity and datasheets to streamline audits, asset tagging, and supplier qualification.
Using these fuses can reduce downtime and maintenance costs by protecting critical PV equipment and minimizing unexpected outages. The 100 kAIC interrupt rating and robust 315 A/1500 V rating enable selective protection without over-tripping, helping electricians plan replacements during scheduled outages. In addition, standard 3L form factor and compatibility with SD3L-S-PV XL bases simplify stocking and field service.