Dehn, DG M TT 2P ACI Surge Arrester 275 V Maximum Voltage Rating Surge Arrester

Modular surge arrester with Advanced Circuit Interruption (ACI) for single-phase 230 V-TT and TN systems (1+1 configuration).

New technology "Advanced Circuit Interruption" (ACI) integrated in the protection module, consists of a switch / spark gap combination
Due to ACI technology no external backup fuse required
Small connection cross-sections (6 mm²) absolutely sufficient *)
TOV withstand also at 440 V (AC)
High system reliability, no tripping of 32 A gG fuses
Zero leakage current due to galvanic isolation by ACI switch unit
Energy coordination with other arresters of the Red/Line product family