Customized Connection Technology

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Stringbox mit Trennklemmen CU/AL Brücke

String box with disconnect terminal CU/AL bridge

ÜSS Box mit Klemmtechnik CU/AL Brücke

OVP box with clamping technology CU/AL bridge

Stringbox BIG mit 8 - 16 Strings

String box BIG with 8 - 16 Strings


Single string current measurement

Ferngesteuerter DC-Freischalter

Remotely controlled DC circuit-breaker


DC circuit-breaker


PV string fuses

Stringbox mit ÜSS + DC-Freischalter

Stringbox with OVP + DC circuit breaker


Battery terminal box

GAK mit 50 A-Sicherungen und DC-Freischalter

Generator connection box with 50 A fuses and DC circuit breaker

Stringbox BIG mit Sicherungen, Strommessung, ÜSS, Fernmeldekontakt, DC Trennschalter, ÜSS 24 VDC Bus

Box with fuses, current measurement, OVP, remote signaling contact, DC circuit breaker

6x DC-Freischalter in einem Gehäuse

6x DC circuit breaker in housing

An overview of the most important features:

Our Connection Technology

Stringbox Simple

Cost-effective and light-weight string box with 2 up to 5 inputs for small crystalline modules and thin-film installations.

Stringbox Easy 3G

Compact and lightweight string box for small to medium-sized string combinations and thin-film systems of all types up to 18 inputs.

Easy Duo/Trio Channel

String box due to the electrically isolated PCBs which two oder three different MPP trackers or inverters can be operated with a single box.

Stringbox BIG

Generator connection box for large systems of the order of megawatts, openfield plants, large roofmounted systems, e.g. on factory buildings.


Customized AC Box for connecting up to 20 inverters project example REC Romania.


Further examples regarding our customized connection technology including pictures.

General information

What is a string box? Usage of fuses or diodes? What about monitoring, OVP, ...???