Eaton MTL5541 Repeater Power Supply, 4/20mA, For 2 or 3 wire Transmitter

The Series MTL5541 Galvanic Barrier provides intrinsically safe
isolation for communication with Dwyer® transmitters approved for use
in hazardous areas. This galvanic barrier eliminates the need for a high
integrity earth ground required when using shunt type diode type safety
barriers. DIN rail mounting and plug-in signal and power connectors
simplify installation and maintenance.