2GK50-D-1B-B 2GK50-D-1B-BXHP1 2GK50-D-1W-W 2GK50-D-2B-B 2GK50-D-2W-W 2GK50-D-3B-B 2GK50-D-4B-B 2GK50-D-4B-B-XCI1 2GK50-D-4B-B-XMNU1 2GK50-NBL3