Eaton PV-315A-3L-BU-15 Photovoltaic Fuse - gPV UL/IEC
Part Number: PV-315A-3L-BU-15
Quick Summary
Photovoltaic fuse protects solar inverters and arrays by fast interrupting DC faults in PV systems. Engineers often struggle to select fuses that survive PV surges without adding heat or complicating maintenance. The PV-315A-3L-BU-15 from Eaton delivers UL Listed and IEC certified gPV protection with a 315 A rating at 1500 VDC in a compact 75 x 91 x 201 mm package. It features bolted blade connections for dependable mounting and a top fuse status indicator for quick field checks. This solution reduces downtime, simplifies regulatory compliance, and supports scalable solar deployments, providing robust protection without compromising efficiency or serviceability. Ideal for commercial and utility-scale PV installations seeking reliable, standards-aligned protection.
Product Information
Extended Description
PV-315A-3L-BU-15 Eaton: Eaton Bussmann series Fuse-link, high speed, 315 A, DC 1500 V, 3L, 75 x 91 x 201 mm, gPV, UL, IEC, no indicator, bolted connections
Product Name
Eaton Bussmann series photovoltaic fuses
Catalog Number
PV-315A-3L-BU-15
EAN
5996516002667
Product Length/Depth
201 mm
Product Height
74 mm
Product Width
74 mm
Product Weight
1978 g
Compliances
CE Marked RoHS Compliant
Certifications
IEC 60269 UL Listed CSA Certified
Amperage Rating
315 A
Voltage rating
1500 Vdc
Interrupt rating
100 kAIC
Class
Class gPV
Pre arc (I2T)
150000
Watt losses
52 W
Application
Photovoltiac systems, inverters ,Photovoltaic array combiners and disconnects
Fuse type
PV-3L-BU-15
Fuse indicator
Top fuse status indicator
Fuse size
3L
Fitted with:
Blade with bolt holes
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 technology. Business Impact: Rapid fault interruption minimizes arc damage and protects sensitive inverter electronics, lowering repair costs. Application: Suitable for PV arrays and inverters in utility-scale projects. Feature: Class gPV with 100 kAIC interrupt rating. Business Impact: High fault tolerance prevents cascading failures in large solar systems. Application: Large inverters, combiner boxes, and PV disconnects. Feature: DC rating of 315 A at 1500 Vdc. Business Impact: Handles heavy current while maintaining fast response, enabling safer DC distribution. Application: Central PV combiner and inverter protection. Feature: Fitted with blade bolt connections and 3L form factor. Business Impact: Easy mechanical installation and secure connections reduce wiring errors and downtime. Application: Hard-mounted protection modules in outdoor enclosures. Feature: Top fuse status indicator. Business Impact: Quick diagnostics save maintenance time and improve uptime. Application: Field servicing and routine inspections in arrays and inverters. Feature: Compliance and certifications (CE, RoHS, UL IEC). Business Impact: Simplifies procurement and regulatory validation for certified solar projects. Application: System integration in regulated markets, ensuring traceability and audit readiness.
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FAQs
Mount the fuse using the blade with bolt holes as specified, ensuring alignment with the bolted connection interface. Use appropriate torque on bolts to secure the fuse housing and prevent vibration. Verify electrical clearances and enclosure compatibility, then perform a continuity check to confirm solid mechanical and electrical contact before commissioning.
The fuse is rated for 315 A with a DC voltage rating of 1500 V. It features a 100 kAIC interrupt rating, Class gPV, and a Pre-arc I2T of 150,000, making it suitable for high-energy PV installations while minimizing fault energy and protecting downstream equipment.
Yes. The device is designed for photovoltaic systems, inverters, PV array combiners, and disconnects, offering fast reacting protection and reliable bolted connections that align with gPV requirements and industry standards for solar projects.
This fuse is CE marked, RoHS compliant, UL Listed, and IEC certified (IEC 60269). It also aligns with CSA certification where applicable, supporting regulatory compliance and safe integration in both commercial and utility-scale installations.
With a top fuse status indicator, robust 3L form factor, and high interrupt capability, maintenance cycles shorten due to quick status checks and reliable protection. The fuse reduces downtime during faults and simplifies compliance testing, contributing to lower lifecycle costs and higher system availability.