Siemens 6ES7 421-1BL01-0AA0 is now available new, surplus, and used from Williams Automation.
If you need a specific firmware or series relating to this item please call or email us with your request.
We can also provide specifications and/or a data sheet for this item upon request. Please call or email us if you require one.
Please note we offer UPS Next Day Air shipping for all orders. Please be sure to select next day shipping at checkout and we will provide same-day shipment.
Call (803) 761-7027 if you have any questions about availability, or email us at firstname.lastname@example.org.