6GK1 503-3CB00 Nuovo SIMATIC S7-300 PROFIBUS OLM/G12 V4.0 6GK1503-3CB00 SIEMENS
We will send you a new one after receiving the defective item. What should I do if the item quality is bad / does not fit ?. And we are more than willing to assist you any further. What should I do if the item is broken or dead on arrival ?.