sh_plc@163.com Siemens 6ES7421-1BL01-0AA0 SIMATIC S7-400, digital input SM 421 : Condition is New Original . Warranty is 12 months. Payment Method is T/T payment. Lead time is 1-2 days. We use DHL, UPS, TNT, FedEx and EMS to deliver your cargo door to door. For actual picture or technical specification, contact with us via email.
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