This is a green PCB header with 20 positions and a pitch of 5 mm. It is rated for a nominal current of 12 A and a voltage of 320 V (category III/2). The contacts have a tin surface, with a nominal cross section of 2.5 mm², and the solder pins are 3.9 mm long. Designed for wave soldering, it features a linear pin layout suitable for reliable electrical connections.