ATSUB series is an effective protection against transient over voltages for electrical supply lines with or without utilizing metal oxide varistors and gas release tubes. It permits insurance of three-stage lines sort TT, TNS, TNC and IT Medium security as per composed stages assurance suggested in Regulation of Low Voltages (REBT Itc23).
Suitable for Categories l, II, III and IV gear as indicated by ITC-BT-23 from R EBT. It is Coordinable with different SPDs, for example, ATSHOCK, ATSHIELD and ATCOVER series. Made up of zinc oxide varistors and gas release tubes fit to v/ithstand high flows. It is also conceivable to alter the modules through bolts so as to acquire squares of 2,3 or 4 components, don't deliver deflagration with a single-shaft security.