TC4AA from the TC Series is integrated with thermocouple-break indication. It has an on/off indicator or proportional control selectable. There is a selectable heater-break indication. There are five alarm outputs from which the users can select depending on usage. It can come with or without the alarm. The setting and the display type are both analog. The output type is relay or voltage. The Heater/Thermocouple break indication is through H/B alarm output.