About ZOTUP SPD L 25-100 230 t ff 3+1 PLC

ZOTUP SPD L 25-100 230 t ff 3+1 PLC

L 25/100 230 t ff 3+1 is a ready to install assembly of three voltage limiting and a voltage switching SPD providing ten modes of protection, typically installed in three-phase plus neutral 230/400 V TT-systems where connection type CT2 (3+1) is required according to HD 60364-5-534, e.g. in the Main Distribution Board (MDB).

• Impulse test classification: Test class I and II according to IEC 61643-11 Ed. 1 (2011-03) and Type 1 and 2 according to EN 61643-11 (2012-10);
• Backup protection is not required with an upstream CB ‰ 160 A or up to an Isccr ‰ 5 kA rms;
• Three colour Status Indicator with progressive indication of remaining performance.