Eaton PVS350A-3L-U-15 Photovoltaic Fuses - UL 1500 V
Part Number: PVS350A-3L-U-15
Quick Summary
The Eaton Bussmann series photovoltaic fuses protect PV strings by interrupting overcurrent in solar installations. Engineers often wrestle with reliable protection at 1500 V systems, long installation cycles, and finding a fuse that fits existing SD3L bases. They are CE marked, RoHS compliant, and UL listed, with IEC 60269 certification, providing essential safety and regulatory assurance. This model’s 3L size, 205 mm length, and 82 mm height support compact layouts across utility-scale arrays and rooftop inverters. By aligning with these specifications, procurement teams can reduce downtime, simplify compliance, and streamline maintenance while delivering dependable PV protection.
Product Information
Extended Description
PVS350A-3L-U-15 Eaton: Eaton Bussmann series photovoltaic fuses, 350A, 1500V, 3L PV, BLA,DED W/O IND
Product Name
Eaton Bussmann series photovoltaic fuses
Catalog Number
PVS350A-3L-U-15
EAN
5996516049099
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
350 A
Voltage rating
1500 V
Interrupt rating
100 kAIC
Class
Class gPV
Pre arc (I2T)
250000
Watt losses
57 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-00004974.pdf
DA-DC-00004974.pdf
Eaton Bussmann - Products for sustainable energy
PVS-3L Fuses flyer
PVS-3L Fuses data sheet
Feature 350 A amperage rating and 1500 V voltage rating → Business Impact High-current PV strings receive robust protection against overcurrent, reducing the risk of damage to inverters and module strings, which translates to lower repair costs and longer asset life. Application Photovoltaic systems and inverters benefit from reliable protection in both rooftop installations and utility-scale projects. Feature 100 kAIC interrupt rating → Business Impact High fault-current handling minimizes system-wide outages, improving availability and safety in large solar arrays. Application Utility-scale PV plants and central inverters require protection that can interrupt large fault currents without cascading failures. Feature 3L fuse size with 205 mm L / 75 mm W / 82 mm H footprint → Business Impact Easy integration with SD3L-S-PV XL fuse bases, enabling fast deployment and consistent protection across existing DC protection schemes. Application Retrofit and new build-outs in PV lines and inverter bays. Feature Non-indicating fuse design → Business Impact Simplified maintenance in controlled environments where remote monitoring or indicator bases are used; avoids false indicators during routine testing. Application Inverter cabinets and PV string combiner boxes with dedicated monitoring. Feature CE Marked, RoHS compliant, and UL listed with IEC 60269 → Business Impact Regulatory certainty across regions reduces procurement risk and accelerates project timelines. Application Global deployments in rooftop and utility-scale PV deployments. Feature Watt losses of 57 W → Business Impact Manageable thermal load for the protection scheme, preserving overall system efficiency. Application Inverter cooling budgets and long-term reliability planning. Feature Compatibility with SD3L-S-PV XL fuse base → Business Impact Streamlined installation and replacement, leveraging existing protective architectures. Application Site-wide protection schemes in PV installations.
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FAQs
Yes. The PVS350A-3L-U-15 is designed to fit the SD3L-S-PV XL fuse base. Its 3L form factor, along with the documented dimensions of 205 mm length, 75 mm width, and 82 mm height, allows straightforward mounting in PV string enclosures, inverter bays, and protection panels. For proper operation, ensure the base is rated for 1500 Vdc and that clearances meet applicable standards.
This fuse provides a 350 A amperage rating, a 1500 V voltage rating, and a 100 kAIC interrupt rating. It also features a pre-arc (I2T) of 250,000 and watt losses of 57 W. These specs support reliable protection for high-current PV strings while managing heat and ensuring fast fault interruption in both rooftop and utility-scale installations.
Yes. The PVS350A-3L-U-15 is expressly designed for photovoltaic systems and inverters, including rooftop arrays and utility-scale plants. With a 3L size and robust 1500 Vdc capability, it is suitable for protection schemes across PV strings, combiner boxes, and inverter input circuits, while meeting essential safety and performance standards.
The fuse is CE marked, RoHS compliant, and UL listed, with IEC 60269 certification. This combination ensures safety, environmental compliance, and reliability suitable for global deployment in PV protection schemes, reducing regulatory risk and expediting procurement and installation across regions.
With a non-indicating design, maintenance relies on external monitoring or base indicators, simplifying diagnostics. The high interrupt rating protects upstream equipment, reducing downtime during faults. The 3L, 205 mm by 75 mm footprint fits existing protection bases, lowering retrofit costs and enabling consistent protection across PV strings and inverters for improved total cost of ownership.