Eaton PVS350A-3L-BU-15 Photovoltaic Fuses - UL Listed
Part Number: PVS350A-3L-BU-15
Quick Summary
Eaton Bussmann photovoltaic fuses protect solar power systems by interrupting fault currents in PV arrays and inverters. Engineers often struggle to select fuses that survive 1500 V DC conditions without nuisance trips or complex mounting. This PVS350A-3L-BU-15 is UL Listed, CE marked RoHS compliant, and designed for high reliability in PV installations. By combining a clear three-letter 3L fuse size with bolt-hole compatibility, it simplifies BOMs and field service. Using a product like this reduces downtime and improves safety margins in utility-scale and commercial solar projects. Its 350 A, 1500 V rating supports large arrays and string configurations, aligning with common inverter architectures.
Product Information
Extended Description
PVS350A-3L-BU-15 Eaton: Eaton Bussmann series photovoltaic fuses, 350A, 1500V, 3L PV, BOLTED W/O IND
Product Name
Eaton Bussmann series photovoltaic fuses
Catalog Number
PVS350A-3L-BU-15
EAN
5996516049242
Product Length/Depth
201.4 mm
Product Height
74 mm
Product Width
74 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
54 W
Application
Photovoltiac systems, inverters
Fuse indicator
Non Indicating
Fuse size
3L
Suitable for
Blade with bolt holes
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 at 1500 V with a 100 kAIC interrupt rating. Business Impact: Delivers robust fault isolation for PV strings and inverters, reducing arc-flash risk and limiting damage to critical components. Application: Ideal for large residential, commercial, and utility-scale PV installations seeking reliable high-voltage protection. Feature: 3L bolted design with bolt-hole compatibility. Business Impact: Eases mounting in standard fuse holders and simplifies on-site integration, shortening installation time and minimizing wiring complexity. Application: Compatible with blade-with-bolt-hole holders in PV combiner boxes and inverter rooms. Feature: Non-indicating fuse indicator. Business Impact: Reduces maintenance events while relying on system protection signals for status checks, lowering inspection burden. Application: Suitable where external status monitoring is provided by the balance of system. Feature: Certifications and compliance (IEC 60269, UL Listed, CE Marked RoHS). Business Impact: Ensures regulatory compliance and traceability, enabling easier procurement and audit readiness. Application: Preferred choice for regulated solar projects and compliant product portfolios. Feature: Low watt losses (54 W) and high pre-arc performance (I2T 250000). Business Impact: Minimizes heat generation and energy losses during fault events, supporting higher overall system efficiency. Application: Beneficial in tight enclosure spaces and heat-sensitive installations. Feature: Product dimensions and compatibility (201.4 mm length, 74 mm width/height). Business Impact: Predictable form factor simplifies enclosure design and replacement in existing footprints. Application: Fits standard PV protection layouts with blade-hole mounting.
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FAQs
The PVS350A-3L-BU-15 is designed for photovoltaic systems and inverters operating up to 1500 V DC. Its 3L bolted configuration and blade-hole compatibility simplify mounting in PV combiner boxes and inverter rooms, while delivering robust protection for both string conductors and primary protection stages. This makes it ideal for rooftop and utility-scale solar installations aiming for reliable protection with straightforward installation.
The fuse provides a 350 A amperage rating, 1500 V DC voltage rating, and a 100 kAIC interrupt rating. It is classified as a Class gPV device with a pre-arc I2T of 250000 and watt losses of 54 W. It is UL Listed and CE marked RoHS compliant, ensuring compliance with major international standards for PV protection devices.
Install the PVS350A-3L-BU-15 in a blade-with-bolt-hole fuse holder using the 3L bolted design. The enclosure footprint accommodates a 201.4 mm length and 74 mm width/height, with non-indicating status. Ensure that the system is de-energized and that wiring conforms to DC HV safety practices before installation. This fuse is built for straightforward replacement in standard PV protection assemblies.
Yes. The device is UL Listed and CE marked RoHS compliant, and the product data references IEC 60269 compliance. Declarations of conformity and technical datasheets are available in the product downloads, supporting regulatory audits and procurement validation for regulated solar projects.
Benefits include high-current, high-voltage protection that minimizes fault propagation to inverters, reducing downtime and repair costs. The 3L bolted design shortens installation time, while the non-indicating indicator lowers maintenance checks. With 54 W losses and a 100 kAIC interrupt rating, it supports efficient, reliable operation across utility-scale and commercial PV deployments.