Management system
Certificates related to ISO 9001, ISO 14001 and similar organization processes.
OFFICIAL DOCUMENT SOURCES
Quality documents
and certificates.
Access Sigma and Gewiss's management system certifications, product documentation, and conformity documents from the brands' current official sources.
SELECT THE CORRECT DOCUMENT
The product certificate is not the same as the company system.
Management system certifications cover an organization's processes; product certifications and conformity declarations, on the other hand, cover the conformity of a specific product, series or model to relevant conditions.
When using product codes, document scope, and validity dates from official sources for quotations, projects, or specifications. The links on this page do not host document copies; they open the brands' updated pages.
Product certificate
TSE, CE, conformity declaration and product series-specific test or approval documents.
SIGMA ELECTRIC
Quality and product certificates.
Sigma's official quality certificate center; ASTA, CE, TSE, RoHS, Local Product, ISO, TÜV, EAC and carbon footprint headings are all gathered in one place.
ISO 9001
View the quality management system certificate from Sigma's official PDF source.
Open official PDF ↗TSE certificates
Circuit breaker, miniature circuit breaker (MCB), residual current circuit breaker (RCCB) and other product groups' TSE certificates.
Open TSE certificate list ↗Quality certificate center
Access CE, RoHS, ASTA, TÜV, EAC, Local Products and other up-to-date certificate categories.
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GEWISS
Group and product certifications.
GEWISS's official sustainability page publishes certifications related to quality, environment, occupational health and safety, and energy management systems.
ISO certifications
Visit the official page to view the certificates of the GEWISS Group company, including ISO 9001, ISO 14001, ISO 45001 and ISO 50001.
Open certificate page ↗Certificate and conformity declaration
Product certificates are model-based. Search for the product code on the Gewiss product page; check the "Certificates" and "Declaration of Conformity" sections.
Open Gewiss product search ↗Technical documents
Catalog, brochure and product documents can be found on Gewiss Turkey's current download platform.
Open catalog platform ↗DOCUMENT SUPPORT
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Power supply control: October 2, 2026 · The linked brand page is the basis for the current version and scope of the documents.