SIEMENS SIMATIC S7 STEPPER MODULE 6ES7 138-4DC00-0AB0 July 8, 2021 / By Krishna Rathod / Industrial Automation Equipment suppliers India / Siemens, STEPPER MODULE Brand : SIEMENS Model : 6ES7 138-4DC00-0AB0 Make : GERMANY Condition : USED Sku # 21666