BKS6579 BK-S-8002-12-R BK-S-8002-1X-DIN BK-S-8102-1X-DIN BK-S-8103-1X-DIN BK-S-8201-2-R BK-S-8202-1-R BK-S-8202-1X BK-S-8202-1X-DIN BK-S-8203-1X-DIN