6ED10551FB000BA2,I/O MOD 4 DIG 4 RELAY 115-230V
6ED10551FB100BA2,I/O MOD 8 DIG 8 RELAY 115-230V
【SIEMENS】6ED10551HB000BA0,
6ED10551HB000BA2,I/O MODULE 4 DIGITAL 4 RELAY 24V
【SIEMENS】6ED10551MA000BA0,
6ED10551MA000BA2,INPUT MODULE 2 ANALOG 12-24V
【SIEMENS】6ED10551MB000BA1,
6ED10551MB000BA2,I/O MOD 4 DIGITAL 4 RELAY 12-24V
