Transmitter Supply Unit with Limit Value is provided with compact trip amplifier with 2 configurable limit values and 0/4 to 20 mA output. Transmitter Supply Unit performs Open circuit and short circuit monitoring and signalisation. Transmitter Supply Unit is suitable for 2- and 3-wire transmitter, 2-wire HART transmitter and mA-sources. Transmitter Supply Unit with Limit Value can be availed in different specifications to suit industrial requirement.