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6ES7 321-1BH02-9CJ0 (6ES73211BH029CJ0) SIEMENS SM321 EXTEND MODULE6ES7 321-1BH02-9CJ0 (6ES73211BH029CJ0) SIEMENS SM321 EXTEND MODULE
SM321 EXTEND MODULE (6ES73211BH020AA0) SIMATIC S7-300, DIGITAL INPUT SM 321, OPTICALLY ISOLATED, 16DI, 24 V DC, 1 X 20 PIN AND SIMATIC S7-300, FRONT CONNECTOR (6ES73921CJ000AA0) FOR SIGNAL MODULES FASTCONNECT, (INSUL. PIERC. CLAMPS), 20-PIN
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