Wilkerson MM4300A Transmitter With OTO8-PC Relay

The Wilkerson MM4300A Transmitter with OTO8-PC Relay is a plug-in module that provides isolated signal conversion, transmission, and relay switching for industrial control and instrumentation systems. It is designed for installation in control panels, signal conditioning assemblies, and automation systems that require reliable signal interfacing and continuous equipment operation, and it uses a 115 VAC input. Key details include Manufacturer Part Number MM4300A, attached component OTO8-PC Relay, reference number #144163, and its function for signal isolation alongside transmission and relay interfacing. Common replacements and compatible modules include the Wilkerson MM4300A Mighty Module, a Phoenix Contact signal conditioner module, and a Siemens signal isolation relay module.