SIEMENS 6ES5-921-3WB13
Siemens SIMATIC S5 6ES5921-3WB13 EPROM Sub-module. High-reliability 64 KB non-volatile memory for S5-115U, S5-135U, and S5-155U PLCs. Ensures secure data retention and stable operation for industrial automation systems. Genuine Siemens part for legacy system maintenance.
2-Year Warranty on Purchased Parts
All products sold by Roc Industrial LLC are covered by a 2-year repair warranty, unless otherwise stated. This warranty covers defects in material and workmanship and does not cover damage caused by misuse, abuse, neglect, or unauthorized repair. Full warranty policy available here.
Return and Refund Policy
Returns are accepted within 30 days of purchase for a full refund or exchange. Customer is responsible for return shipping costs. Full return policy available here.
Quick & Convenient Shipping Solutions
We know your order is important, and we guarantee fast processing. All domestic orders are processed within 1 business day with free standard delivery; overnight shipping is available by request.
International orders are efficiently handled with competitive shipping costs, though customs and taxes are the customer's responsibility. For specific shipping needs or assistance, feel free to contact us. Full shipping policy available here.
Repair Your Equipment
We proudly offer expert industrial repair services at competitive prices, using only genuine or equivalent parts. All repairs are done in-house in our ISO 9001 certified facility based in Rochester, NY. For your peace of mind, all repairs are backed by an unbeatable 2-Year warranty. Read more about our repair services here.
Out of Stock? Don't Worry!
Our inventory is always changing. If the item you're interested in is out of stock, please don't hesitate to contact us. We may have new stock on the way or alternative solutions to meet your needs. Reach out to us at 585-483-0011 for the most current availability and we'll do our best to help.
