SIEMENS 6ES7 321-1EH01-0AA0 SIMATIC S7-300 SM321 Digital Input
Siemens 6ES7 321-1EH01-0AA0 SIMATIC S7-300 SM 321 Digital Input Module, (16) 120V AC Digital Inputs, 20-Pin, Optically Isolated
- INPUT MODULE, OPTICALLY ISOLATED
- 16 POINT INPUT, 115 VAC