BS 7671 / 18TH EDITION. A STEP AHEAD FOR SURGE PROTECTION
Posted 2nd July 2018 and effective from 1st January 2019, BS 7671 2018 supposes a big change for the surge protection in the UK.
Circuit Protection Review for acb - mccb - mcb - rcd - relay news
Surge Protection With 4+0 Circuit
The world's narrowest type 2 surge protective device, Valvetrab SEC, is now also available with a 4+0 circuit.