Eaton PV-400ANH3 Photovoltaic Fuse - UL Listed, 1000 VDC
Part Number: PV-400ANH3
Quick Summary
The Eaton PV-400ANH3 photovoltaic fuse provides high-speed fault protection for DC PV systems. Operators and engineers often face delays isolating faults in PV arrays; a reliable, clearly indicated fuse helps keep downtime to a minimum. With IEC 60269, UL Listed, and CSA certification, plus a dual status indicator, it meets global PV safety and compliance requirements. By aligning with standard fuse bases and mounting options, it also streamlines installation and maintenance while supporting long-term system availability. The 400 A, 1000 V DC rating and modest watt losses further support efficient, safe DC power distribution in commercial and industrial solar installations.
Product Information
Extended Description
PV-400ANH3 Eaton: Eaton Bussmann series Fuse-link, high speed, 400 A, DC 1000 V, NH3, gPV, UL PV, UL, IEC, dual indicator
Product Name
Eaton Bussmann series photovoltaic fuses
Catalog Number
PV-400ANH3
Model Code
FUSE 400A 1000V DC PV SIZE 3 DUAL IND
UPC
051712498012
EAN
5027590506205
Product Length/Depth
80 mm
Product Height
32 mm
Product Width
51 mm
Product Weight
1139 g
Warranty
No warranty
Compliances
CE Marked RoHS Compliant
Certifications
IEC 60269 UL Listed CSA Certified
Amperage Rating
400 A
Voltage rating
1000 Vdc
Interrupt rating
50 kAIC
Class
Class gPV
Pre arc (I2T)
67500
Watt losses
50 W
Application
Photovoltaic systems, inverters ,Photovoltaic array combiners and disconnects
Fuse type
PV-ANH3
Fuse indicator
Combination fuse status indicator
Fuse size
NH3
Fitted with:
Blade without bolt holes
Suitable for
SD3-D-PV NH Fuse base
eaton-bussmann-series-photovoltaic-fuses-catalogue-ca135004en.pdf
UKCA Square-bodied PV fuse-links
UKCA Square-bodied PV fuse-links
PV_300-400A_NH3_STEP.stp
Eaton Bussmann - Products for sustainable energy
720133 NH photovoltaic fuse links
Feature → Business Impact → Application: High-speed 400 A, 1000 V DC protection with a 50 kAIC interrupt rating enables rapid fault isolation and arc-reduction in PV strings, reducing potential damage to inverters and cabling in commercial solar farms. This translates to higher system uptime and lower maintenance costs in rooftop and utility-scale deployments where space is at a premium and reliability matters. Application notes include use in photovoltaic systems, inverters, PV array combiners, and disconnects, supporting fast, safe protective action where DC fault energy is highest. Feature → Status visibility → Application: Combination fuse status indicator provides immediate field verification, speeding troubleshooting and service calls. This improves maintenance efficiency for installers and operators across commercial rooftop installations and large-scale solar projects. Feature → Compatibility and fit → Application: NH3 fuse size and blade-without-bolt-holes design offer straightforward integration with SD3-D-PV NH Fuse bases, simplifying retrofits and new builds. This reduces installation time and potential mounting issues in tight electrical rooms.
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FAQs
The PV-400ANH3 is designed for SD3-D-PV NH Fuse bases and NH3 fuse configuration. It integrates with standard photovoltaic protection schemes used in inverters, array combiners, and disconnects, enabling straightforward retrofits and secure mounting in rooftop and utility-scale PV installations.
It supports 400 A amperage and 1000 V DC voltage, with a 50 kAIC interrupt rating. The pre-arc energy is 67500 (I2T), and watt losses are around 50 W, making it suitable for high-energy DC PV circuits while maintaining efficiency and safety.
The combination status indicator provides immediate visual confirmation of fuse health, reducing diagnostic time during routine maintenance or fault diagnosis and helping ensure quick, informed maintenance decisions on PV systems.
It carries IEC 60269, UL Listed, and CSA Certified certifications with CE Mark and RoHS compliance, aligning with global safety and environmental requirements for PV protection devices used in diverse markets.
By enabling fast fault isolation, reducing downtime, and simplifying installation with standardized bases, the PV-400ANH3 lowers maintenance costs and improves system availability, delivering measurable uptime and regulatory compliance benefits over the life of a solar installation.