Eaton PV-3A14LF Photovoltaic Fuse - 1500 VDC, UL Listed
Part Number: PV-3A14LF
Quick Summary
PV-3A14LF photovoltaic fuse protects solar DC circuits in PV arrays and power systems. Engineers often confront overcurrent events that threaten module integrity and system uptime, making correct fuse selection crucial for reliability. This device carries UL Listed, CE Marked, and RoHS compliant certifications, with IEC 60269 and CSA certifications supporting safe, regulatory-aligned installations. In addition to protection, the compact LF ferrule design simplifies field installability and inventory management. Featuring a 3 A rating at 1500 V DC, it delivers robust protection without unnecessary nuisance blows, helping maintain performance in both commercial rooftops and utility-scale PV applications. The result is improved uptime, lower maintenance costs, and a streamlined procurement process for solar protection components.
Product Information
Extended Description
PV-3A14LF Eaton: Eaton Bussmann series 3 AMP 1500V DC SOLAR FERRULE FUSE - LF
Product Name
Eaton Bussmann series photovoltaic fuses
Catalog Number
PV-3A14LF
UPC
051712525572
EAN
5027590506182
Product Length/Depth
65 mm
Product Height
14 mm
Product Width
14 mm
Product Weight
12 g
Compliances
CE Marked RoHS Compliant
Certifications
IEC 60269 UL Listed CSA Certified
Amperage Rating
3 A
Voltage rating
1500 V
Interrupt rating
10 kAIC
eaton-bussmann-series-photovoltaic-fuses-catalogue-ca135004en.pdf
eaton-bussmann-series-photovoltaic-fuses-catalogue-ca135004en.pdf
DA-DC-00005062.pdf
DA-DC-00005062.pdf
Eaton Bussmann - Products for sustainable energy
Datasheet - PV-2-25A14LF10F
Feature: 3 A amperage rating with a 1500 V DC voltage rating. Business Impact: Provides precise overcurrent protection for PV strings while tolerating normal operating surges, reducing the risk of unnecessary outages. Application: Suitable for DC solar protection in PV arrays and string circuits. Feature: LF ferrule fuse design for fast, secure insertion. Business Impact: Speeds installation and reduces terminations fatigue in dense electrical enclosures. Application: Ideal for panel boards and fuse blocks in solar installations. Feature: 10 kAIC interrupt rating. Business Impact: Ensures rapid fault clearing and minimizes arc energy, protecting modules and inverters. Application: Critical in high-energy PV systems and utility-scale deployments. Feature: Compliance and certifications (CE, RoHS, UL Listed, IEC 60269, CSA). Business Impact: Simplifies procurement and compliance workflows, supports safety audits, and reduces compliance risk. Application: Widely accepted in regulated markets. Feature: Compact dimensions (65 mm length, 14 mm by 14 mm cross-section) and 12 g weight. Business Impact: Enables high-density mounting and easy replacement in compact enclosures. Application: Rooftop and containerized PV configurations where space is at a premium. Feature: 65 mm form factor compatibility with common PV fuse holders. Business Impact: Reduces inventory complexity and ensures reliable fit across Eaton Bussmann series accessories. Application: New builds and retrofit projects in commercial solar installations.
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FAQs
PV-3A14LF uses a ferrule LF design with a 65 mm body length and 14x14 mm cross-section, making it compatible with common Bussmann photovoltaic fuse holders and distribution blocks found in commercial and utility PV installations. Its compact footprint supports dense panel layouts, while the 12 g weight aids handling during retrofit projects. For best results, verify holder specifications against the datasheet and confirm a secure ferrule seating to prevent intermittent contact in high-vibration environments.
The 3 A rating ensures the fuse opens under overcurrent conditions just above normal operating current, protecting PV strings from damage without nuisance tripping. The 1500 V rating confirms suitability for high-voltage DC PV circuits, while the 10 kAIC interrupt rating indicates the fuse can safely interrupt high-energy faults. Together, these specs protect modules, wires, and inverters while enabling safe disconnection during faults.
Yes. PV-3A14LF is designed for solar DC protection across a wide range of PV applications, from rooftop strings to utility-scale installations. Its 65 mm body fits many standard fuse blocks, and the high voltage (1500 V) rating accommodates modern PV arrays. The UL Listed and IEC/CSA certifications provide confidence in performance, safety, and regulatory compliance for both new builds and retrofits.
PV-3A14LF carries UL Listed status, CE Marking, RoHS compliance, and CSA certification, along with IEC 60269 recognition. These certifications demonstrate compliance with safety, environmental, and performance requirements for electrical protection devices. They streamline supplier qualification, enable regulatory approvals, and reduce risk during audits and system commissioning in enterprise and utility markets.
By delivering reliable overcurrent protection with a robust 10 kAIC interrupt rating and high-voltage capability, PV-3A14LF minimizes unplanned outages and component damage, lowering maintenance frequency and repair costs. The compact LF ferrule design speeds installation, reduces inventory complexity, and simplifies future replacements, contributing to lower total cost of ownership over system life cycles.