Siemens
Siemens SIMATIC C7-621 Compact Unit
Siemens SIMATIC C7-621 integrated S7-300 CPU, OP 3, and AS-Interface Master.
● In Stock
12-Mo Warranty
Same-Day Dispatch
Ships Worldwide
🎖 Veteran-Owned
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Get a price for 6ES7621-6BD02-0AE3
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12-month warranty
All units tested
Same-day dispatch
Order by 2pm CST
Worldwide delivery
US, EU, Asia, Middle East
Veteran-owned
CAGE: 9NK75
Integrated S7-300 CPU
Integrated OP 3 operator panel
Integrated AS-Interface Master
Compact design
SIMATIC C7 series
Product description
The Siemens SIMATIC C7-621 (6ES7621-6BD02-0AE3) is a compact control unit integrating an S7-300 CPU, an OP 3 operator panel, and an AS-Interface master.
This unit is designed for applications requiring integrated control and operator interface in a compact footprint, commonly found in machine building and small to medium-sized automation projects.
As a veteran-owned surplus parts distributor, Stanlo Automation offers reliable access to this Siemens unit, ensuring your industrial operations continue smoothly with quality, tested components.
Technical specifications
| CPU Type | S7-300 |
| Operator Panel | OP 3 |
| Interface | AS-Interface Master |
| Form Factor | Compact Unit |
Common applications
Machine control
Small-scale automation
Process control
Manufacturing automation
Control panels
Compatible systems
Siemens S7-300
AS-Interface networks
Also known as
C7-621
Siemens C7-621
6ES7621
Replaces / compatible with
N/A. This is an integrated unit.
Technical note
Expert tip
Ensure proper AS-Interface cabling and power supply for reliable operation of the master interface.What happens next?
1
Email confirmation
Immediate receipt acknowledgment sent to you
2
Account manager assigned
Confirms your part's spec and condition
3
Your quote delivered
Tailored to your specific requirements
Frequently asked questions
What are the integrated components of the Siemens 6ES7621-6BD02-0AE3?
The Siemens 6ES7621-6BD02-0AE3 integrates an S7-300 CPU for control, an OP 3 for operator interface, and an AS-Interface master for field device communication.