Overvoltage protection. Measure-Control-Rules. Sensitive signal inputs can be damaged or destroyed by possible coupling of overvoltages on line paths. It is important to protect I&C devices in their immediate vicinity. With a comprehensive product range for the C&I sector, Weidmüller offers products in 2-part, pluggable design or terminal block formats with tension clamp and screw connection types. These products are adapted to binary as well as analog signals. Furthermore, Weidmüller offers designs with integrated components such as gas arresters or varistors. VARITECTOR stands for versatile and variable surge protection from Weidmüller which is tested according to the product standard IEC61643-21. The Varitector series can be used in applications according to IEC 61643-22 / VDE 0845-3 in classes C1, C2, C3 and D1. In the product families VARITECTOR SPC and SSC, as well as MCZ OVP, the electrical and mechanical properties are optimally combined. The size and easy handling play a decisive role. The surge protection is suitable for installation in confined spaces in process, industrial and building automation.