EDSTLZ1550/12TERM BLOCK HDR 3.81MM 12POS PCB|ON SHORE TECHNOLOGY INC|Lead free|RoHS Compliant OSTOQ123251 EDZ1550/12TERM BLOCK PLUG 3.81MM 12POS|ON SHORE TECHNOLOGY INC|Lead free|RoHS Compliant OSTTJ1231530 1-284507-2