Extension Cables and Solar-Related Products

Solar power generation is the mainstream of renewable energy.
At Onamba, we meet diverse customer needs from manufacture of PV cables to processing of connectors, all inside Japan.

PVU® Junction Boxes

PVU junction boxes
PVU junction boxes

Product name

PVU crystalline/4 terminals

Junction box

Outline

We began supplying junction boxes to solar cell module manufacturers in 1998. Everything from the wires to the final products is produced at our company’s factories.
Our products have received JET standard certification and have been highly rated for their long-term reliability and are widely used around the world.

  • We provide custom designs to meet customer requirements.
    Please contact a sales representative or use the website to contact us for inquiries.

Precautions for use

  1. Use our recommended potting and sealing material.
  2. Make sure there are no air bubbles in the potting.
  3. Use within the range where the diode does not cause thermal runaway. (especially in the case of Schottky diodes)

System Cables

Extension cables/branch boxes

Product name

Branch boxes/extension cables

Branch cable

Branch cable for PV system

Outline

We propose and supply specifications for cables and connectors to suit your installation location.

Structural diagram

Specifications

Structural table
Extension cables/branch boxes

Product name

Branch boxes/extension cables

Extension cable

Extension cable for PV system

Outline

We propose and supply specifications for cables and connectors to suit your installation location.

Structural diagram

[Extension cable PVS-M4-PC3LB-***]

[Extension cable PVS-M4-PC3LB-***]


[Crossing cable PVEX-M4-PC3B-***]

[Extension cable PVS-M4-PC3LB-***]
Solar cell cable

Product name

Cables for Solar Power Generation Systems (PV Cables)

CV, HCV, EM CE/F, 1500 VDC PV-CC

Cable for PV system



For more information about Cables for Solar Power Generation Systems (PV cables), see the product information page.


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Product Information

Feel free to contact us for more information aboutour company, products, and track record.

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