Siemens 3RK1903-3AA00 is a SIRIUS potential group infeed module for PM-D F PROFIsafe with PROFIBUS or PROFINET. It supplies power to the safety-related bus segment.
Mounts on 35 mm DIN rail in SIRIUS S00 footprint — 45 mm width, 73 mm depth. Screw-type terminals accept 2x (0.5... 1.5 mm²) solid or stranded.
