The UNG52 – Speech Protector has been successfully assessed and approved according to the test specifications EN 62368-1:2014, UL 62368-1:2014 and CAN/CSA-C22.2 No. 62368-1-14:2014.
The international safety tests and certification were performed by TÜV SÜD, an independent third-party global leader in safety certification.
https://www.tuvsud.com/en-us