Siemens
Siemens 6ES7403-1TA11-0AA0 SIMATIC S7-400 Extended Rack
Siemens 6ES7403-1TA11-0AA0 SIMATIC S7-400 Extended Rack with 18 slots.
● In Stock
12-Mo Warranty
Same-Day Dispatch
Ships Worldwide
🎖 Veteran-Owned
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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
18 Slots for Modules
Aluminum Construction
Supports Redundant Power Supplies
Designed for SIMATIC S7-400
High Availability
Product description
The Siemens 6ES7403-1TA11-0AA0 is an ER1 (Extended Rack 1) for the SIMATIC S7-400 automation system. Constructed from aluminum, this rack provides 18 slots and is designed to accommodate two redundant power supply units.
This rack is essential for building larger S7-400 control systems, offering expanded capacity for signal modules and power redundancy to ensure high availability in demanding industrial environments such as power generation, chemical processing, and large-scale manufacturing.
Stanlo Automation, a veteran-owned surplus distributor, offers the Siemens 6ES7403-1TA11-0AA0 and other automation components, ensuring you get reliable parts for your projects.
Technical specifications
| System | SIMATIC S7-400 |
| Rack Type | Extended Rack 1 (ER1) |
| Slots | 18 |
| Material | Aluminum |
| Power Supply | Supports 2 redundant PS units |
Common applications
Industrial Control Systems
Large Automation Projects
Power Generation
Chemical Processing
Manufacturing Automation
SIMATIC S7-400 Systems
Compatible systems
SIMATIC S7-400
Also known as
6ES74031TA110AA0
Siemens S7-400 ER1 Rack
Technical note
Expert tip
This ER1 rack is designed for use with specific SIMATIC S7-400 CPUs and power supplies, ensuring proper system configuration.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
How many slots does the Siemens 6ES7403-1TA11-0AA0 extended rack offer?
The Siemens 6ES7403-1TA11-0AA0 extended rack provides 18 slots for the insertion of signal modules within a SIMATIC S7-400 system.