Eaton PV-315A-3L-B-15 PV Fuse - Class gPV 1500 Vdc
Part Number: PV-315A-3L-B-15
Quick Summary
The Eaton Bussmann series photovoltaic fuses protect solar arrays by interrupting faults quickly in DC circuits up to 1500 V. This can reduce unplanned downtime, costly arc faults, and maintenance headaches for field technicians installing PV arrays in outdoor or rooftop environments. Key certifications support global compliance: IEC 60269, UL Listed, CSA Certified, with CE marking and RoHS compliance. Designed for easy bolted installation and a clear indicator option, they help optimize maintenance intervals and protect inverter and combiner circuits, delivering measurable reliability gains for commercial rooftops and utility-scale PV projects.
Product Information
Extended Description
PV-315A-3L-B-15 Eaton: Eaton Bussmann series Fuse-link, high speed, 350 A, DC 1500 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-315A-3L-B-15
UPC
051712374552
EAN
5996516001455
Product Length/Depth
201.4 mm
Product Height
91 mm
Product Width
91 mm
Product Weight
1614 g
Warranty
Not Applicable
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
Photovoltaic array combiners and disconnects
Fuse type
PV-3L-B-15
Fuse indicator
Centre fuse status indicator
Fuse size
3L
Fitted with:
Side indicator
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
Datasheet - PV-125A-2XL
10201 XL PV fuses
Feature: High-speed fuse-link rated at 315 A for rapid fault interruption. Business impact: Minimizes fault energy, reduces risk of arc flash, and improves system availability in PV strings. Application: PV array protectors in combiner boxes and disconnects in utility-scale installations. Feature: Voltage rating up to 1500 Vdc with a 100 kAIC interrupt capability. Business impact: Enables safe, compliant protection across utility-scale PV layouts and rooftop projects, reducing overcurrent exposure. Application: Direct DC protection in PV power circuits. Feature: 3L construction with built-in centre fuse status indicator and side indicators. Business impact: Quick visual fault verification reduces maintenance time and outages. Application: Field service workflows for rapid diagnostics in outdoor enclosures. Feature: Bolted connections and robust enclosure fit. Business impact: Reliable mechanical integrity in vibration-prone outdoor environments; simplifies installation and reduces retightening needs. Application: PV combiner/disconnect enclosures in harsh weather sites. Feature: Comprehensive certifications including IEC 60269, UL Listed, CSA Certified, CE RoHS. Business impact: Global acceptance and streamlined procurement for multi-region projects. Application: International solar projects requiring compliant protection devices.
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FAQs
The PV-315A-3L-B-15 is designed for photovoltaic array protection in both commercial rooftop and utility-scale installations. It protects DC circuits up to 1500 V, supports 315 A nominal current, and is ideal for use in array combiners and disconnects, ensuring rapid fault interruption and enhanced system reliability in outdoor environments.
The centre fuse status indicator and side indicators provide immediate visibility of fuse health, enabling quick diagnostics during routine inspections. This reduces maintenance time, minimizes unnecessary site visits, and helps technicians confirm that the protection device remains in the healthy state, preserving PV system uptime.
This product carries IEC 60269 compliance, UL Listed and CSA Certified marks, plus CE marking and RoHS compliance. The combination supports global procurement and deployment, simplifies regulatory approvals, and ensures safe operation across diverse international sites.
Yes. The PV-315A-3L-B-15 features bolted connections and a 3L form factor designed for bolted mounting in standard PV disconnect enclosures. Its dimensions and mounting approach are suited for reliable installation in outdoor enclosures, with clear indication for easy field servicing.
Customers typically see reduced unplanned downtime due to fast fault clearance, lower maintenance labor costs from visible status indicators, and improved system availability in both rooftop and utility-scale PV projects. The device’s high interrupt rating and robust construction also contribute to lower lifecycle costs by minimizing arc-related damage and component wear.