Eaton PV-400A-3L-BU-15 Photovoltaic Fuse - gPV 100 kAIC

Part Number: PV-400A-3L-BU-15
Manufacturer
Eaton
Part number
PV-400A-3L-BU-15

Quick Summary

Eaton Bussmann photovoltaic fuse provides high-speed DC protection for PV systems. Engineers often face arc energy, space constraints, and mounting complexity in solar enclosures, which this device mitigates with a compact 3L form and bolted blade connections. It is CE marked, RoHS compliant, UL listed and CSA certified, offering regulatory confidence for regulated solar projects. By combining robust protection with straightforward installation, it helps streamline procurement, reduce maintenance, and improve reliability in utility-scale and commercial PV deployments.

Product Information

Extended Description

PV-400A-3L-BU-15 Eaton: Eaton Bussmann series Fuse-link, high speed, 400 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-400A-3L-BU-15
EAN
5996516028766
Product Length/Depth
201 mm
Product Height
74 mm
Product Width
74 mm
Product Weight
1966 g
Compliances
CE Marked RoHS Compliant
Certifications
IEC 60269 UL Listed CSA Certified
Amperage Rating
400 A
Voltage rating
1500 Vdc
Interrupt rating
100 kAIC
Class
Class gPV
Pre arc (I2T)
296000
Watt losses
61 W
Application
Photovoltiac systems, inverters ,Photovoltaic array combiners and disconnects
Fuse type
PV-3L-BU-15
Fuse indicator
Non Indicating
Fuse size
3L
Fitted with:
Blade with bolt holes
Feature 400 A rating with 1500 Vdc capability. Business Impact Enables protection for high-current PV strings and 1.5 kVdc circuits, reducing the risk of damage to inverters and combiners. Application Suitable for photovoltaic inverters, PV array combiners, and disconnects in both utility-scale and commercial solar installations. Feature 100 kAIC interrupt rating. Business Impact Delivers fast fault clearing to minimize arc energy and system downtime, improving overall plant safety and reliability. Application Essential for critical PV power paths where high interrupt capability is required in DC networks. Feature 3L gPV class with non-indicating design and blade-with-bolt-hole fittings. Business Impact Simplifies installation in standard enclosures, reduces wiring complexity, and lowers maintenance needs with a durable mounting solution. Application Ideal for bolted connection installations in 1500 Vdc PV systems. Feature 61 W watt losses and 296000 A2 I2T pre-arc energy. Business Impact Keeps energy losses low while delivering predictable protective performance, supporting efficiency and long-term operating costs. Application Suitable for continuous operation in PV protection schemes under typical solar operating temperatures. Feature CE Marked, RoHS Compliant, UL Listed, CSA Certified. Business Impact Ensures regulatory compliance across diverse markets, enabling smoother project approvals and warranty coverage. Application Relevant to global solar projects with stringent certification requirements. Feature Non-indicating, blade-with-bolt-hole design and 201 mm length. Business Impact Reduces visual maintenance needs and eases mounting in compact spaces, while ensuring robust mechanical integrity. Application Appropriate for restricted enclosure environments and retrofit scenarios.

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FAQs

PV-400A-3L-BU-15 supports up to 1500 Vdc and 400 A, making it suitable for large PV strings in inverters and array combiners. Its 3L format and blade-with-bolt-hole connections simplify mounting in standard enclosures, while the gPV class rating ensures compliance with PV protection standards. Use in conjunction with bolted connections to maximize reliability in tight spaces.
The fuse is CE Marked and RoHS compliant, and it carries UL Listed and CSA Certified markings. These certifications, along with IEC compatibility, support regulatory compliance for global solar projects and simplify supplier qualification, warranty coverage, and safe field deployment in regulated markets.
Key ratings include a 400 A amperage rating, 1500 Vdc voltage rating, and a 100 kAIC interrupt rating, enabling rapid fault clearance in high-energy DC PV circuits. Pre-arc energy is 296000 A2, and watt losses are 61 W, contributing to predictable protection while managing system efficiency and thermal performance.
With fast response, high interrupt capacity, and low energy losses, the fuse minimizes fault propagation and downtime. Its non-indicating design reduces maintenance checks, while bolted connections and IEC/UL/CSA certifications reduce commissioning time and warranty risk—translating to lower lifecycle costs and improved plant availability in PV installations.
Plan for a 201 mm long device with 74 mm width and height, weighing about 1.966 kg. Its blade-with-bolt-hole fittings enable secure bolted mounting, and the 3L form factor fits compact enclosures. Ensure 1500 Vdc wiring clearance, adhere to CE/UL/CSA installation guidelines, and verify compatible disconnects and inverters to optimize protection performance.