Toll Free, US (888) 584-6078
Montreal, PQ (514) 400-0518
Fremont, CA (510) 371-8111
London, UK (20) 3004 9222
Portland, ME (207) 922-9900
Toll Free, US (888) 584-6078
Montreal, PQ (514) 400-0518
Fremont, CA (510) 371-8111
London, UK (20) 3004 9222
Portland, ME (207) 922-9900
Toll Free, US (888) 584-6078
Montreal, PQ (514) 400-0518
Fremont, CA (510) 371-8111
London, UK (20) 3004 9222
Portland, ME (207) 922-9900
Quick Links ▼
Quote Status Contact Us Express Shipping Core Service Warranty Service Returns and Refunds Order Status Corporate
🛒
👤
My Account My Orders My Quotes Log Out

SIEMENS [ 6ES72121AD300XB0 ] CPU Module by SIEMENS

Stock Status: Cataloged: 9/15/2025 Core Service:
Payments
Visa, MC, Disc, Amex, ACH/Wire and Venmo
Import fees
Price includes reduced taxes and tariff fees.
Standard Delivery
Estimated from Today
Wed, Oct 28 - Sat, Oct 31 .
6ES72121AD300XB0 CPU Module
6ES72121AD300XB0 extended warranty 		6ES72121AD300XB0 CPU Module by SIEMENS 6ES72121AD300XB0 90 day warranty
6ES72121AD300XB0 advance replacement
Express Service
Prepaid shipping labels accepted.
Warranty
90 day advance replacement service.
Offers Accepted
on certain sale items based on availability
6SL3320-1TE41-2AA3 6SL3320-1TE41-2AA3
6SE7037-0TJ60 6SE7037-0TJ60
6ES7400-0HR04-4AB0 6ES7400-0HR04-4AB0
Bulk / Reseller Pricing Available
Order your Siemens SIMATIC ET 200SP BusAdapter <partnumber> now for quick installation.
CLOUD MAP | MOST POPULAR | LAST 24HRS
PCB1478-2A 240-969 E85416TTER 56M56U-843 005-1258201 5283311RXCUM-PT DP-101-E-P 1774271224 NEC003-857
3D-L4100 3D-L4100
3D-L4300-000-IO 3D-L4300-000-IO
6SL3352-1AG34-1EA1 6SL3352-1AG34-1EA1

The 6ES72121AD300XB0 is a CPU module from Siemens, designed for use in industrial automation systems. This module is essential for managing and controlling various processes within manufacturing environments. It is available in both new and used conditions, with new-in-box options ensuring pristine functionality. The module supports Siemens' extensive range of automation solutions, making it a reliable choice for industrial applications requiring robust control systems.