The ETITEC S C is a surge arrester designed to be used indoors. This product complies with the VDE class C and its protection suits the IEC category II. The potection happens on the subdistribution box, as the second level of protection that counters overvoltage, indirect lightning strikes.It is equipped with a current limiter, a high performing GDT and a thermal control function or CGT that prolong the life of SPD's and safeguard the MOV.
In an instance of indefinite arrester damage, its thermal protection will be activated and it indicates faulty arrester. It can limit current for long time span with minimal degradation. Its thermal disconnection mechanism is improved and It offers a service warranty of 7 years.