The U.S. Government’s highest classification for surge suppression. All Zero Surge products meet the A-1-1 Classification.
Grade A is the best endurance – 1,000 surges of 6,000 volts / 3,000 amps with no degradation.
Class 1 specifies the best voltage suppression of 330 volts peak for 6,000 volts / 3,000 amps surges.
Mode 1 is Line to Neutral (L-N) suppression. This avoids ground wire contamination and is recommended for interconnected equipment.
CSA 22.2 No. 8-M1986
CSA Group’s safety standard for electromagnetic interference filters. CSA Group is the largest standards development organization in Canada. Zero Surge’s products are certified to meet this standard.