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In April 2018, commercial EnerTwin systems received the GAD – type CE certification. The certificate is issued by KIWA after extensive safety tests. KIWA’s certificate is valid for all countries within the European Union as well as for Norway, Switzerland and Turkey.

Bureau Veritas, a global leader in Testing, Inspection and Certification issued three certificates for MTT’s EnerTwin recently:The Certificate of Compliance for EnerTwin’s automatic disconnection device, The Certificate of Compliance for connection to the low voltage grid and The Certificate of Compliance for grid and plant protection. They meet the following standards:


VDE 0126




These Certificates are issued for different EU countries such as Germany, Great Britain, Belgium and France.