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EX- / SIMATIC S7-300

, (Ex-)
6ES7321-7RD00-0AB0SIMATIC S7, SM 321, EX- : , 4 =24, NAMUR/DIN 19234, , PTB . 20- Siemens
6ES7322-5RD00-0AB0SIMATIC S7-300, SM 322, EX- : , 4 =15/20MA, , PTB . 20- . Siemens
6ES7322-5SD00-0AB0SIMATIC S7-300, SM 322, EX- : , 4 =24/10MA, , PTB . 20- Siemens