For siemens 6es7
Model number : 6ES7 321-1CH00-0AA0
Product Name : Siemens plc
between different circuits :170 V DC/120 V AC
Isolation tested with :1500 V AC
SIMATIC S7-300, Digital input SM 321, isolated, 16 DI, 24-48 V AC/DC with single rooting
Product Markets :