2025 THOR BV Device Plant field certification
DC Surge Protective Device TUV Certification
AC Surge Protective Device TUV Certification
2024 THOR SGS Device Plant field certification
AC Surge Protective Device CE Certification
DC Surge Protective Device CE Certification
THOR SPD CE Certificate
THOR Network SPD CE Certificate
Surge Protection Device CB Certification
THOR ROSH 2.0 Certificate
2023 THOR SGS Plant field certification
2022 THOR TUV Plant field certification
2020 THOR BV Plant field certification
2019 THOR SGS Plant field certification
2018 THOR BV Plant field certification
2017 THOR TUV Plant field certification
2015 THOR SGS Plant field certification
2014 THOR SGS Plant field certification
THOR SPD CE Certificate