The Stahl Series 9160 Transmitter Supply Unit is a versatile solution for hazardous area applications, offering a single-channel Ex i field circuit with transmitter supply and repeater mode. This unit operates on auxiliary power ranging from 18 to 31.2 V AC/DC and delivers an active output of 0/4 mA to 20 mA with HART communication to nonhazardous locations. Engineered for reliability in extreme temperatures from -20°C to +70°C and rated IP30, it ensures safe installation in zone 2 environments. Designed for universal compatibility, the unit supports both two- and three-wire transmitters as well as mA sources including four-wire transmitters. Precision is paramount with this high-accuracy device, which meets standard safety requirements up to SIL 2, with an option for SIL3 compliance as per IEC/EN 61508 standards. The Stahl Series 9160 is an ideal component within the Automation Interfaces And Solutions category for engineers seeking dependable performance in challenging conditions.