Solar Module Bypass Diode Connector, 10A/15A/20A/30A

● Solar module bypass diode connector with 1000V rated voltage, 10A/15A/20A/30A rated current, multi-point connection ● Blocking when the current is reversed, preventing reverse current from burning the PV panel ● PPO shell, copper tinned conductor, dustproof, waterproof, strong anti-aging, UV resistant ● Built-in diode connector 3mm-7mm wiring outer diameter
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Crafted with high-quality PPO insulation material, the PV panel connector is designed for durability and resilience in ambient temperatures ranging from -40℃ to +95℃, boasting a rated voltage of 1000V. With a security class of DCII and an impressive IP68 waterproof grade, this solar module connector is safeguarded against water infiltration. The solar panel connector combines advanced technology and a robust design to meet the demands of contemporary solar power applications, featuring a rated current of 30A and a UL94-VO flame retardant rating. Bypass diode in pv module role is for the rectifier circuit only allows the current to pass from a single direction, reverse blocking, to prevent reverse current burned PV panels.

Solar module bypass diode connector feature


  • Adopting PPO as the shell and copper tin-plated as the conductor.
  • Dustproof, waterproof, strong anti-aging, UV resistant, lightweight, easy to use, easy to install, safe, long service life.
  • Connectors and cables are connected by means of compression and clamping.
  • The male and female connectors are fixed with a stable self-locking structure and can be opened and closed freely.


  1. Premium Material: High-quality PPO for radiation and temperature resistance, strength, and flame retardancy.
  2. T2 Copper Wiring: Wear and corrosion-resistant with low resistance and strong conductivity.
  3. Robust Waterproofing: Features a strong waterproof seal for IP68 protection against water and dust.
  4. Secure Self-Locking: Compression-connected joints with a reliable self-locking design in both male and female heads.
Y branch 3 to 1 solar connector detail

Solar Module Bypass Diode Connector Dimension (unit: mm)

Solar module bypass diode connector size

Rated Voltage 1000V
Insulation Material PPO
Conductor Material Copper tin-plated
Ambient Temperature -40℃~+95℃
Product Temperature -40℃~+135℃
Security Class DCII
Waterproof Grade IP68
Contact Resistance ≤0.35mΩ
Connection System Multi-point connection
Self-locking System Embedded
Insertion Force ≤50N
Pulling Out Force ≥50N
Rated Current 10A/15A/20A/30A
Flame Retardant Rating UL94-VO
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Q1. Why are Bypass Diodes important in solar panels?

Bypass diodes help prevent power loss caused by shading. When a solar cell is shaded, it generates less electricity, and without bypass diodes, the entire string of solar cells may be affected. Bypass diodes provide an alternate path for the current, allowing the unshaded cells to continue generating power.

Q2. What are the key features of Solar Module Bypass Diode Connectors?

Crafted with high-quality materials, these connectors exhibit resilience in diverse environmental conditions, with temperature resistance spanning from -40°C to elevated temperatures. Their waterproof construction, often boasting an IP68 rating, safeguards against water infiltration, ensuring prolonged functionality in outdoor installations. These connectors integrate seamlessly with bypass diodes, playing a vital role in mitigating shading effects and optimizing solar panel efficiency. With specific voltage and current ratings, flame retardant properties (e.g., UL94-VO), and a designated security class (e.g., DCII), they adhere to industry standards and prioritize safety. 

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