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  • YLNCN Solar Protection Solutions
  • YLNCN Solar Protection Solutions
  • YLNCN Solar Protection Solutions
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About Our Company

About Our Company
We focus on one thing — DC protection for solar PV systems.
Circuit breakers, isolators, surge protection, combiner boxes — we make them all, with engineering experience that comes from years of hands-on work in the field. No bureaucratic layers. Just direct access to our technical team, fast responses, and products that do what they're supposed to do.
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Experience
15+
Experience
National Customers
686+
National Customers
Production Line
10+
Production Line
Annual Sales(Billion)
10+
Annual Sales(Billion)

Products Line

2P 63A Automatic Transfer Switch Dual Power ATS for PV Solar Systems

2P 63A Automatic Transfer Switch Dual Power ATS for PV Solar Systems

2P 63A Automatic Transfer Switch Dual Power ATS for PV Solar Systems

Solar automatic transfer switch (ATS) for uninterrupted backup power. Automatically transfers load between utility grid and PV battery system during outages. Ideal for residential rooftop solar, commercial PV plants, and off-grid installations. 240V/480V AC rated. Contact us today!

2P 1000V DC 40kA Surge Protection Device SPD for Solar PV Systems

2P 1000V DC 40kA Surge Protection Device SPD for Solar PV Systems

2P 1000V DC 40kA Surge Protection Device SPD for Solar PV Systems

2P 1000V DC surge protection device (SPD) with 40kA Imax and 20kA In. Type 2 solar arrester with thermal disconnector, visual status indicator. Ideal for PV combiner boxes, inverters, and MPPT controllers. In stock, fast shipping.

2P 275V AC 40kA Surge Protection Device 2P 275V AC 40kA Surge Protection Device

2P 275V AC 40kA Surge Protection Device 2P 275V AC 40kA Surge Protection Device

2P 275V AC 40kA Surge Protection Device 2P 275V AC 40kA Surge Protection Device

2P 275V AC surge protection device (SPD) with 40kA Imax and 20kA In. Type 2 AC surge arrester for inverter AC output, distribution panels, and grid-tied PV systems. Thermal disconnector and visual status indicator. In stock, fast shipping.

MC4 Photovoltaic Connector Male Female Solar Panel Cable Connector

MC4 Photovoltaic Connector Male Female Solar Panel Cable Connector

MC4 Photovoltaic Connector Male Female Solar Panel Cable Connector

MC4 solar DC connector for photovoltaic systems. Rated 1500V DC, 40A. IP68 waterproof, UL94 V-0 flame retardant. Compatible with 2.5-10mm² solar cables. TUV certified. Male/female pairs in stock.

10×38 Fuse Base DC 1000V Fuse Holder for PV Combiner Box Solar System

10×38 Fuse Base DC 1000V Fuse Holder for PV Combiner Box Solar System

10×38 Fuse Base DC 1000V Fuse Holder for PV Combiner Box Solar System

10x38mm DC fuse holder base for PV systems. DIN rail mount, 1000V DC rated, with visual blown-fuse indicator. Compatible with 10x38mm solar fuses. Ideal for combiner boxes and string protection.

YLNCN

Hot Products
01

2P 63A Automatic Transfer Switch Dual Power ATS for PV Solar Systems

Solar automatic transfer switch (ATS) for uninterrupted backup power. Automatically transfers load between utility grid and PV battery system during outages. Ideal for residential rooftop solar, commercial PV plants, and off-grid installations. 240V/480V AC rated. Contact us today!

  • 63A/125A

    Rated Current
  • 220/480V

    Rated Voltage
View more Get free quotation
02

2P 1000V DC 40kA Surge Protection Device SPD for Solar PV Systems

2P 1000V DC surge protection device (SPD) with 40kA Imax and 20kA In. Type 2 solar arrester with thermal disconnector, visual status indicator. Ideal for PV combiner boxes, inverters, and MPPT controllers. In stock, fast shipping.

  • 2P

    Number of Poles:
  • 1000VDC

    Rated Voltage (Uc):
  • 40kA (8/20μs)

    Max Discharge Current (Imax):
  • 20kA (8/20μs)

    Nominal Discharge Current (In):
  • Green (OK) / Red (Replace)

    Visual Indication:
  • IEC/EN 61643-31, GB/T 18802.31

    Standards:
View more Get free quotation
03

2P 275V AC 40kA Surge Protection Device 2P 275V AC 40kA Surge Protection Device

2P 275V AC surge protection device (SPD) with 40kA Imax and 20kA In. Type 2 AC surge arrester for inverter AC output, distribution panels, and grid-tied PV systems. Thermal disconnector and visual status indicator. In stock, fast shipping.

  • 2P

    Number of Poles:
  • 275VAC

    Rated Voltage (Uc):
  • 40kA (8/20μs)

    Max Discharge Current (Imax):
  • 20kA (8/20μs)

    Nominal Discharge Current (In):
  • Green (OK) / Red (Replace)

    Visual Indication:
  • IEC/EN 61643-31, GB/T 18802.31

    Standards:
View more Get free quotation
04

MC4 Photovoltaic Connector Male Female Solar Panel Cable Connector

MC4 solar DC connector for photovoltaic systems. Rated 1500V DC, 40A. IP68 waterproof, UL94 V-0 flame retardant. Compatible with 2.5-10mm² solar cables. TUV certified. Male/female pairs in stock.

  • Solar Connector

    Products
  • 1000/1500VDC

    Voltage
  • Module manufacturers, EPC installers, electricians, O&M teams

    Common Users
  • Solar cable, Junction box, String combiner box, Inverter input

    Related Tech
View more Get free quotation

  • DC-Focused
    We do one thing — DC protection for solar PV. Every product is designed and tested specifically for photovoltaic systems, not adapted from other applications.
    View more
  • Engineer Support
    No sales scripts. No layers. When you have a technical question, you talk directly to our engineering team. Fast answers, not forwarded emails.
    View more
  • Built for the Field
    Our products are made to survive deserts, coastlines, and rooftop summers. Real-world tested, not just lab-certified.
    View more
  • Real Responsiveness
    Samples ship within days, not weeks. We're lean, we're flexible, and we treat every inquiry like it matters — because it does.
    View more

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