Bailey Controls Plant Loop Termination Unit, use with NLIMxx, INLIMxx modules/ NKLMxx cables. Also part number PNTPL01, YNTPL01.
The Bailey Controls NTPL01 (often listed under ABB) is a discontinued Plant Communication Loop Termination Unit used in the Bailey Network 90 and INFI 90 distributed control systems (DCS). It operates at 24V DC and requires 120mA.