Skip to content
EN
Português (Brasil) English Español Português (Portugal)
Log in
ProductsManufacturersDatasheetsDistributorsBrazil solar marketBlog Grid connection in BrazilSolar calculatorSolar guidesEV chargersPlatformAbout
Component brands

Clamper string boxes: history, technology and models

Clamper was founded in 1991 and develops surge protection devices in Brazil; its Solar SB string boxes combine DC protection and disconnection, but inputs, outputs, voltage, current and earthing scheme must match the array.

About Clamper

OriginBrazil
HeadquartersLagoa Santa and the Belo Horizonte metropolitan area, Minas Gerais
Founded1991
Company typeBrazilian manufacturer of surge protection

Clamper was born in 1991 in Minas Gerais, initially offering consulting and engineering solutions for surge protection. The company evolved into research, laboratory testing and manufacturing of surge protection devices.

In the photovoltaic line, Solar SB combines junction box, surge protection and DC disconnection. Catalog models vary in inputs and outputs; "4E 4S" or "2E 1S" describes an architecture that must match the inverter's strings and MPPTs.

Focus and technology

Clamper focuses on surge protection devices, electrical protection and photovoltaic protection boxes.

  • Historical specialisation in surge protection
  • Engineering, laboratory and manufacturing in Brazil
  • String boxes dedicated to the photovoltaic DC side

What to check before buying

Confirm that the SPD's Ucpv is above the array's maximum Voc and compatible with the system voltage, current per pole, disconnector category, number of strings/MPPTs, fuses where required, IP rating and earthing.

Buying Clamper equipment in Brazil

Coordinate DC and AC surge protection with the lightning protection system and earthing according to the design. A string box does not fix an incomplete protection design; installation and maintenance require procedures for DC arcs.

Clamper in the Silizium catalog 3 Clamper products listed, with specifications and datasheets.
See all Clamper products

Sources

Company facts checked against the manufacturer's official channels. Always confirm specifications and warranty in the current documents.

Clamper models in the catalog

Frequently asked questions

Where is Clamper from?

Clamper originates in Brazil, with its headquarters in Lagoa Santa and the Belo Horizonte metropolitan area, Minas Gerais. The country of the brand, of the factory and of a specific batch may differ.

Is Clamper a good brand?

A brand should be judged by the exact model and the project: check the datasheet, efficiency, temperature behaviour, certifications, traceability and the warranty offered by the responsible company in your market.

How do I check the Clamper warranty?

Ask for the warranty terms of the exact product code, identify the importer or warranty provider, and confirm product and performance periods, the claim procedure and shipping costs.