La description
Surplus Sealed Siemens 6ES7521-1BL00-0AB0 2019 6ES7 521-1BL00-0AB0 SM521 Module Special reminder: https://360plcworld.com can pay online. If you need more product pictures, more quantity, or other questions. (E-mail: sales@360dcs.com what app: +86 18602167154)