Siemens
Siemens SIMATIC S5 451 Digital Output Module (6ES5451-3AA11)
Siemens SIMATIC S5 451 Digital Output Module.
● In Stock
12-Mo Warranty
Same-Day Dispatch
Ships Worldwide
🎖 Veteran-Owned
In Stock — Ready to Ship
Get a price for 6ES5451-3AA11
Response within 1 business hour
12-month warranty
All units tested
Same-day dispatch
Order by 2pm CST
Worldwide delivery
US, EU, Asia, Middle East
Veteran-owned
CAGE: 9NK75
16 Digital Outputs
24V DC
Galvanically Isolated
Compact Version
For SIMATIC S5 PLCs
Product description
The Siemens SIMATIC S5 451 (6ES5451-3AA11) is a digital output module designed for the SIMATIC S5 programmable logic controller series. It provides 16 galvanically isolated 24V DC outputs, each rated for 0.5A, in a compact version.
This module is essential for controlling actuators, relays, and indicators in various industrial automation applications, including manufacturing, process control, and material handling systems where SIMATIC S5 controllers are in use.
Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens SIMATIC S5 451 digital output module. Ensure your legacy automation systems remain operational with our reliable surplus components.
Technical specifications
| Part Number | 6ES5451-3AA11 |
| Manufacturer | Siemens |
| Series | SIMATIC S5 |
| Type | Digital Output Module |
| Outputs | 16 |
| Voltage | 24V DC |
| Current | 0.5A per output |
| Isolation | Galvanically Isolated |
| Version | Compact |
Common applications
Manufacturing Automation
Process Control
Material Handling
Industrial Relays
Actuator Control
Compatible systems
Siemens SIMATIC S5 PLCs (e.g., S5-115U, S5-135U, S5-150U)
Also known as
Siemens SIMATIC S5 Output Module
6ES5451-3AA11 DO Module
S5 Digital Output
Replaces / compatible with
This module is a direct replacement for other SIMATIC S5 451 series output modules with similar specifications. Refer to Siemens documentation for precise compatibility.
Technical note
Expert tip
Ensure proper terminal block connections and wiring for the 24V DC outputs to prevent damage and ensure reliable operation.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 is the output current rating for the Siemens SIMATIC S5 451 (6ES5451-3AA11) module?
The Siemens SIMATIC S5 451 (6ES5451-3AA11) digital output module features 16 outputs, each capable of handling 24V DC at a current of 0.5A. The outputs are galvanically isolated.