Siemens 6ES7134-7SD51-0AB0 Industrial Automation Module. The recorded exact-product description states: SIMATIC, electronic module for ET200iSP, 4 AI, RTD, for connection of resistance thermometers PT100/NI100, Ex ib (ia Ga) IIC T4 Gb, Ex ib [ia IIIC Da] IIC T4 Gb, Ex ib [ia] I Mb.
SIMATIC, electronic module for ET200iSP, 4 AI, RTD, for connection of resistance thermometers PT100/NI100, Ex ib (ia Ga) IIC T4 Gb, Ex ib [ia IIIC Da] IIC T4 Gb, Ex ib [ia] I Mb