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Cajas combinadoras solares fotovoltaicas

Compare published VIOX solar PV combiner boxes by system-voltage class and input/output string layout for organized DC string collection, protection and isolation.

600V / 1000VPublished system classes

1–8 string rangeMatch array architecture

DC protectionCoordinate fuse, SPD and isolation

Enclosure assemblyVerify entries and environment

What is a solar combiner box?

A solar combiner box collects the output of multiple photovoltaic strings into one or more outgoing DC circuits before connection to downstream isolation, inverter or distribution equipment.

The complete assembly may coordinate string fuses, surge protection, DC isolation, terminals and monitoring. Selection depends on array voltage, string current and count, reverse-current conditions, protection architecture, enclosure environment and cable-entry layout.

PV strings enterIndividual string conductors arrive through planned DC cable entries.
Protection is coordinatedFuses, SPD and isolation are matched to the array and system design.
Combined output leavesThe organized DC output connects to the next approved device or inverter input.

How to choose a solar combiner box

Map the PV strings and electrical protection first, then select the enclosure and field interface.

Maximum DC voltage

Use the array open-circuit voltage at the lowest design temperature and the exact equipment rating.

String count and current

Confirm input/output layout, string current, conductor size and reverse-current protection.

Fuse, SPD and isolator coordination

Specify each protective function from the array architecture and applicable design rules.

Enclosure and cable entries

Check material, protection, heat, UV exposure, gland layout, mounting and service access.

Coordinate the complete PV collection point

The enclosure, strings, fuses, SPD, isolator, conductors and downstream equipment form one DC protection system.

UnArray voltage, current and string count
PProtection and isolation architecture
EEnclosure, entries and environment
Read the Combiner Box selection guide

Compare published Combiner Box series

Las celdas en blanco significan que el valor no está disponible en el resumen actual del producto. Abra la página del modelo o solicite su hoja de datos antes de realizar la especificación.

SerieEl voltaje del sistemaString layoutSistema
Caja Combinadora Solar VOPV600-1/1600 V CC1 entrada / 1 salida600 V CC
Caja Combinadora Solar VOPV600-2/2600 V CC2 entradas / 2 salidas600 V CC
Caja Combinadora Solar VOPV1000-1/11000V DC1 entrada / 1 salida1000V DC
Caja Combinadora Solar VOPV1000-2/21000V DC2 entradas / 2 salidas1000V DC
Caja Combinadora Solar VOPV1000-3/11000V DC3 entradas / 1 salida1000V DC
Caja Combinadora Solar VOPV1000-3/31000V DC3 entradas / 3 salidas1000V DC
VCB F4/1 DC PV Combiner Box4 entradas / 1 salidaSolar PV / DC
VCB F6/1 DC PV Combiner Box6 entradas / 1 salidaSolar PV / DC
VCB F8/1 DC PV Combiner Box8 entradas / 1 salidaSolar PV / DC

Combiner Box Selection Questions

Respuestas rápidas para la comparación preliminar de familias de productos antes de la verificación detallada del circuito.

When is a PV combiner box needed?

It is commonly considered when multiple PV strings must be collected and their protection, isolation or monitoring organized before downstream equipment. The exact need depends on the system architecture.

How is the voltage class selected?

Calculate the maximum array open-circuit voltage at the lowest design temperature and select every component for the resulting DC system conditions.

How many strings should the box accept?

Match the actual and planned string count, current, conductor layout, inverter inputs and protection design without exceeding the published enclosure configuration.

Which protective devices belong inside?

The design may include string fuses, DC SPD and isolation, but the required combination depends on array and system coordination.

Does the enclosure rating apply after cable entry?

The complete installed assembly, including glands, plugs, seals, mounting and workmanship, determines final environmental protection.

Need a Solar Combiner Box?
Let’s Map the PV Strings.

Send the maximum DC voltage, string current and count, input/output layout, protection requirements, enclosure environment, quantity and target market.

Request Combiner Box Support