Products / Solar PV Junction Box

Solar PV Junction Box

Rated Voltage: 1500V DC | Rated Current: 20-30A
TUV
UL
MOQ: 1000 Lead Time: 15-25 Days

Application

Solar PV Junction Box application

Technical Specifications

Rated Voltage 1500V DC
Rated Current 20-30A
IP Rating IP68
Mating Cycles >1000
Cable Size 4mm2 (12 AWG)
Temperature Range -40C ~ +85C
Standard IEC 62790

Applications

屋顶分布式 地面电站

Customization

OEM SupportYes
Sample SupportYes

FAQ

What is the rated voltage of this PV junction box?

Rated 1500V DC per IEC 62790, suitable for high-power PV modules.

What is the difference between a module junction box and a DC combiner box?

A module junction box is mounted on each solar panel's backsheet and integrates bypass diodes for hot-spot protection. A combiner box collects multiple finished PV strings at system level.

What cable size does the junction box use?

4mm2 (12 AWG) PV1-F solar cable, pre-crimped with MC4-compatible connectors.

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