PR 9107AA Single Channel HART Transparent Driver. Input: 4-20mA. Output: 4-20mA. Galvanic isolation of inputs and outputs.Can be mounted in safe area or in Zone 2/Class I, Division 2, Groups A, B, C or D. SIL2 Certified, plus ATEX, IECEx, FM, INMETRO, CCC and EAC-Ex Approvals. Power Supply: 19.2-31.2vDC, via power rail or terminals. DIN Rail Mounted. Dimensions: 109 x 23.5 x 104mm. Operating Temperature: -20 to +60°C, 0-95%RH (Non-condensing).