Siemens SIMATIC 6ES72231HF220XA0 S7-200 Digital I/O Module, 4 Inputs, 4 Outputs
Siemens SIMATIC Digital I/O Module, Series: S7-200, 4 Inputs, 4 Outputs, 250 VAC/5 to 30 VDC, 40 mA, Screw Terminal, 62 mm L x 46 mm W x 80 mm H Dimensions