The Phoenix Contact 1157867 is an Ex i-Solenoid Driver designed for precise control of Ex i solenoid valves in hazardous environments. With a no-load voltage of 20 V DC and a current limitation of 25 mA, this driver ensures reliable operation and safety. It features 4-way electrical isolation and line fault detection, meeting SIL 2 (SC3) standards in accordance with IEC 61508. Ideal for applications requiring explosion protection and functional safety, this compact unit is part of the MINI Analog Pro series, offering unmatched performance in a 6.2 mm design.