Semikron Thyristors SKKQ560/14E SKKQ800/14R SKKQ1200/14E SKKQ1200/16E SKKQ1500/14E SKKQ1201/14E SKKQ3000/14E Semikron Thyristors used in soft starters SKKQ1500/14E SEMiSTART. Antiparallel thyristors for softstart. SKKQ 1200. Features ... SKKQ 1200/14. VRSM. 1500. V. VRRM, VDRM. 1400. V. SKKQ 1200/18