Phoenix Contact 1552971 The device connector features a rear mounting system with a 5-position pin arrangement, utilizing straight pins and an M12-SPEEDCON coding. It is designed for rear mounting using an M12 x 1 connection, where solder pins are used. Notably, this product is part of a transition to a lead-free alternative in compliance with RoHS II regulations, with the option to request a 6c version (containing less than 0.1% lead) in advance if necessary.