Meter plug-in terminal with plug pins and terminal cover for 3-phase alternating current, tested according to DIN VDE 0603-3-3, for screwless changing of standard household reference meters (63 A) in 3-point fastening, terminal cross-section up to 16 mm², control line tap per phase and N terminal, set with 7 contact pins with locking N pin 6x 45 mm and 1x 45 mm, sealable and with contact protection cover for dismantled 3-phase alternating current meters