Wieland's 3-Pin Female/Male Connectors with Spring Clamp are from the Gesis IP+ RST Series and provide error-free contact up to IP68, even in the most unfavourable environmental conditions.
These multi-purpose sockets and plugs are for wire types and sizes: rigid 0.5 to 2.5mm²; flexible 0.5 to 1.5mm². The contacts are silver-plated with brass material.