DC Fuse (PV gPV Fuse for Solar & ESS)

High-voltage DC fuses designed for photovoltaic arrays, energy storage systems, and EV charging infrastructure. Available in 1000V and
1500V ratings, Kuangya gPV fuses deliver safe, fast-acting protection against overcurrent and short-circuit faults.

High-voltage gPV DC fuses for PV, ESS, and EV systems.
1000V & 1500V ratings with compact sizes (10×38 to 14×85).
Certified to IEC 60269-6 / UL 248-19, delivering safe and reliable protection.

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Quick Selection Grid

Cylindrical gPV Din-Rail PV Fuse With Fuse Link (1000V / 1500V)

Series
Voltage
Size
gpv fuse 10×85 1500V | PV Fuse Link 2–32A
1500V • 2–32A
Utility-scale PV · Specs & Dimensions
gpv fuse 14×85 1500V | PV Fuse Link 30–50A
1500V • 30–50A
ESS / Central Inverter · Specs & Dimensions
1500V DC Fuse | KYPV-63D Fuse Holder
For 10×85 / 14×85 • 1500V
Fuse Holder · Specs & Dimensions
gpv fuse 14×51 1000V | PV Fuse Link 2–63A
1000V • 2–63A
Commercial Rooftop · Specs & Dimensions
14×51 PV Fuse | KYDPV-63 Holder
For 14×51 • 1000V
Fuse Holder · Specs & Dimensions
10×38 PV Fuse 1000V | GPV Fuse Link
1000V • 2–32A
Residential PV / ESS · Specs & Dimensions
KYPV-32 — DC Fuse Holder 1000V 10×38
For 10×38 • 1000V
Fuse Holder · Specs & Dimensions

High Current Square-Body DC Fuse (1000V & 1500V)

Type
Voltage
1000V DC Fuse Holder | KYPV-H0B/H1B/H2B/H3B
Square-Body • 1000V
Fuse Holder · Specs & Dimensions
KYPV-H0 gPV Fuse (Square-Body, 50–120A)
1000V • 50–120A
High Current · Specs & Dimensions
KYPV-H1 gPV Fuse (Square-Body, 120–200A)
1000V • 120–200A
High Current · Specs & Dimensions
KYPV-H2 gPV Fuse (Square-Body, 200–315A)
1000V • 200–315A
High Current · Specs & Dimensions
KYPV-H3 gPV Fuse (Square-Body, 315–500A)
1000V • 315–500A
High Current · Specs & Dimensions
1500V DC Fuse Holder | KYPV-H1XLB/H2XLB/H3XLB
Square-Body • 1500V
Fuse Holder · Specs & Dimensions
KYPV-H1XL gPV Fuse (Square-Body, 63–250A)
1500V • 63–250A
High Current · Specs & Dimensions
KYPV-H2XL gPV Fuse (Square-Body, 250–400A)
1500V • 250–400A
High Current · Specs & Dimensions
KYPV-H3XL gPV Fuse (Square-Body, 400–630A)
1500V • 400–630A
High Current · Specs & Dimensions

Applications of Kuangya DC Fuse

Reliable protection for solar PV, ESS, and industrial systems

Residential Rooftop PV

Compact gPV fuses for 10×38 / 14×51 systems.

Commercial Rooftop PV

1000V fuse links with holders for mid-scale arrays.

Utility-Scale Solar Farms

High-current square-body H0–H3 / XL fuses.

Energy Storage Systems (ESS)

1500V XL series for battery strings and DC bus.

Central / String Inverters

DIN-rail fuse holders with matched gPV links.

EV Charging & Microgrids

High-voltage DC protection for distributed systems.

Selection Guide & Compliance

Choose the right DC fuse for strings, inverters, ESS and DC bus — compliant with global standards

How to pick a Kuangya DC fuse

For string protection and DIN-rail layouts, use our cylindrical gPV fuses (10×38 / 14×51 / 10×85 / 14×85 / 22×125) with matched holders. For high-current feeders, combiner boxes, central inverters and battery energy storage DC bus, choose the square-body H0–H3 & H1-XL/H3-XL series. Both 1000V and 1500V gPV options are optimized for low I²t, high breaking capacity and consistent arc-quenching in PV fault conditions.

  • Voltage & system: 1000V or 1500V PV/ESS; match array Voc and inverter DC input.
  • Current rating: size against Isc × safety factor; check cable ampacity and heat rise.
  • Time-current curve: gPV characteristic for string/array faults and back-feed protection.
  • Form factor: DIN-rail cylindrical vs. square-body (H0–H3 / XL) for high current circuits.
  • Installation: use certified holders, torque to spec, maintain creepage/clearance.
dc pv fuse
gPV fuse link
1000V / 1500V
DIN-rail & square-body
See Models Datasheets Get a Quote

Standards & Compliance

Kuangya gPV fuses are designed for PV circuits and reference the following standards and codes:

  • IEC 60269-6 (gPV fuses for PV applications) — IEC webstore
  • UL 248-19 (Photovoltaic fuses) — UL catalog
  • NEC 690 (Solar Photovoltaic Systems) — NFPA 70

Use certified holders and follow local electrical codes. For selection help, contact our engineering team.

Protect Every String, Inverter, and ESS with Kuangya Fuse

From residential rooftops to large-scale solar farms and energy storage systems — Kuangya DC fuses deliver safe, certified, and reliable protection.

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Why Choose Kuangya Fuse

Reliable gPV fuse manufacturer with OEM/ODM service and global compliance

Factory Strength

Own production lines with automated assembly and 100% routine testing. Learn more at our factory page.

Certified Reliability

Kuangya gPV fuses comply with IEC 60269-6 and UL 248-19, providing safe protection for PV and ESS systems.

Fast Delivery

Standard 1000V / 1500V fuse links in stock. Global logistics with quick lead times. See contact us for inquiries.

OEM & ODM Service

Custom current ratings, logo printing, and packaging options available. Partner with us for your OEM/ODM projects.

Quick Selection Summary

Pick the right Kuangya DC PV fuse in seconds — no full spec table needed

Cylindrical gPV (DIN-rail)

For PV strings / combiner boxes. Go to Din-Rail Fuse selector.

Square-Body H0–H3

High-current feeders, central inverters, DC bus. See High-Current models.

XL Series (H1-XL ~ H3-XL)

Utility-scale PV & ESS racks (up to 630–1600A). Check XL range.

Holders & Bases

Use certified DIN-rail / square-body holders for safe installation. Browse in each series.

IEC 60269-6 UL 248-19 NEC 690 CE RoHS
Download Datasheet Pack

FAQ — Kuangya DC Fuse

Quick answers about gPV fuses, voltage classes, applications and compliance

What is the difference between a gPV fuse and a general DC fuse?
gPV fuses are engineered for photovoltaic fault profiles: low I²t, fast interruption, and high DC breaking capacity to extinguish arcs at 1000V / 1500V. They protect strings, combiner boxes, and inverter DC inputs more reliably than general-purpose DC fuses. Explore Cylindrical gPV models and Square-Body high-current series.
How do I choose between 1000V and 1500V fuses?
Base the choice on array Voc, temperature, string architecture, and expansion plans. Rooftop/commercial PV typically use 1000V; utility-scale PV and ESS often use 1500V for higher efficiency and capacity. If future upgrades are expected, select 1500V gPV. See Cylindrical and High-Current.
When should I use 10×38, 14×51, 10×85, 14×85, or 22×125 sizes?
Use 10×38 / 14×51 for small to mid currents in DIN-rail layouts; 10×85 / 14×85 for higher voltage/current and thermal margins; 22×125 or square-body for very high current feeders/ESS. Always pair with certified holders from the Cylindrical selector or the Square-Body range.
H0–H3 vs H1-XL/H3-XL — what’s the difference and where to use them?
H0–H3 are square-body gPV fuses for high-current PV/ESS circuits (central inverters, DC busbars). XL variants (H1-XL to H3-XL) deliver even higher current density (e.g., 400–630A and above) for utility-scale arrays and battery racks. Browse High-Current models.
Do I need to use a matching DC fuse holder/base?
Yes. Certified holders ensure creepage/clearance, low contact resistance, and controlled heat rise. Tighten to the specified torque and follow installation notes. Matching bases are listed in Cylindrical and High-Current sections.
How to replace a PV fuse safely?
Isolate and lock-out the DC source; verify zero energy; identify and fix the root cause; replace with the same voltage class, characteristic (gPV), and equal/higher breaking capacity; torque connections per datasheet; record the change. See datasheets and contact engineering support if unsure.
How do fuses coordinate with DC breakers and SPD?
Use gPV fuses to limit let-through energy (I²t) and protect conductors/devices; coordinate breaker trip curves downstream to avoid nuisance tripping. Install DC SPD with proper upstream OCPD and follow wiring/earthing best practices. For isolating, see DC switch-disconnectors.
Which standards apply — IEC, UL, NEC?
Kuangya gPV fuses reference IEC 60269-6 and UL 248-19, and PV installations should comply with NEC 690 or local codes. Verify markings, voltage class, interrupt rating, and use certified holders. See our Selection & Compliance section for guidance.
Any quick sizing tips for PV/ESS circuits?
Consider array Isc with appropriate safety factor, ambient temperature, conductor ampacity, enclosure heating, and time-current curves. Select the gPV characteristic for PV back-feed faults and confirm the holder’s rating. For detailed curves, see technical datasheets.
What about lead time, OEM/ODM printing, and documentation?
Common 1000V/1500V ratings are in stock with fast dispatch; custom ratings/printing/packaging are available via OEM/ODM service. Download the full datasheet pack or contact us for quotes and samples.