Siemens 6ES7 326-1BK02-0AB0 ; SM 326 F-Digital Input Module , 6ES7326-1BK02-0AB0

SIMATIC S7, Digital input SM 326, F-DI 24x24 V DC, Fail-safe digital input for SIMATIC S7 F-systems with diagnostic alarm, up to Category 4 (EN 954-1)/ SIL3 (IEC61508)/PLE (ISO13849), 1x 40-pole.

eBay