FAQ

Type 1 handles direct lightning current at the service entrance, Type 2 limits residual overvoltage for downstream equipment, and Type 1+2 combines both functions in one unit for compact installations.

Standard AC models cover 230/400 V systems, and DC/PV models cover 600 V, 1000 V and 1500 V photovoltaic strings. Custom ratings can be configured for OEM orders.

Yes. The N8UP series is designed for PV combiner boxes and inverters, with type testing to the IEC 61643-31 requirements.

Yes. We support logo printing, custom labels and model coding on both the device and its packaging for private label programmes.

MOQ depends on the model and the level of customisation. We confirm it together with the quotation after reviewing your requirement.

Yes. Colour boxes, carton design, packing quantity and manuals can all be produced to your brand specification.

Yes. We provide samples or small trial batches so you can verify performance, marking and packaging before mass production.

Sample orders ship within a few days. Bulk orders typically take 15–30 days depending on quantity and configuration.

We accept T/T, L/C and other commonly used trade payment terms, confirmed on the proforma invoice.

Yes. Datasheets include wiring diagrams, and our team can advise on installation position and backup protection.

Yes. Share your system voltage, installation location and equipment type, and we will recommend a suitable model and configuration.

Most series offer an optional remote signal contact for status monitoring, and it can be configured per order.

We ship by sea, air and express courier, and can work with your nominated forwarder under FOB, CIF or EXW terms.

Yes. We prepare commercial invoice, packing list, certificate of origin and test reports as required by your market.

Units are packed in export cartons with protective inner packaging, and palletised for container shipment on request.