Protect your goods and your family - invest in security Every circuit of an electrical installation must be properly protected from the effects of overload and short-circuit, so it is obligatory to use appropriate protection. One such device is a surge arrester, also known as a protector or lightning arrester, which lowers the voltage spike and brings it to ground. Arrester effectively eliminates the risk of damage to the installation caused by a transient overvoltage, short circuit or lightning strike, which can damage the network and connected equipment.Cleverly keeps you out of danger Qoltec brand surge arresters are equipped with high voltage sensors and a 3-stage DC switch. The protection consists of a base part and plug-in protection modules. It is suitable for use in photovoltaics. In addition, the product is characterized by :- high-energy varistor allows fast response time - less than 25 nanoseconds,- compliance with EN 50539-11,- easy installation and maintenance of the product,- mounting on DIN rail TH35-7.5/DIN35,- 3 step DC switch,- plug-in protection module,- signaling,Confidence confirmed by a warranty Do you care about the high quality of the product you buy? Our solutions will meet your expectations. The product comes with a 24-month warranty valid from the date of purchase.