A three pin version of the 110 and 111 series connector for use on thermocouple or RTD assemblies This connector has 3 rolled copper pins with polarity markings, a glass filled nylon shell rated to 350°F (177°C) continuous 3-Pin version of the 110 and 111 series connector for use on thermocouple or RTD assemblies. This connector has 3 rolled copper pins with polarity markings, a glass filled nylon shell rated to 350°F (177°C) continuous use and utilizes the same connecting hardware as the 110/111 series. Interchanges with other similar industry standard connectors. Use 150-U Plug or 151-U Jack for RTD applications.