Siemens
Siemens SIMATIC S7-400 ER2 Extension Rack
Siemens SIMATIC S7-400 ER2 Extension Rack with 9 slots.
● In Stock
12-Mo Warranty
Same-Day Dispatch
Ships Worldwide
🎖 Veteran-Owned
In Stock — Ready to Ship
Get a price for 6ES7403-1JA01-0AA0
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
9 Signal Module Slots
Supports 2 Redundant PS
For SIMATIC S7-400
ER2 Expansion Rack
Modular Design
Product description
The Siemens 6ES7403-1JA01-0AA0 is an ER2 expansion rack for the SIMATIC S7-400 automation system, designed to increase I/O capacity.
This rack features 9 slots specifically for signal modules and is designed to accommodate two redundant power supply modules for enhanced system reliability. Its modular design allows for easy integration and expansion of S7-400 systems.
Ideal for large-scale industrial automation projects in process control, manufacturing, and power generation where expanded I/O is critical, this rack provides a robust platform for signal module integration. Source this essential expansion component from Stanlo Automation for your SIMATIC S7-400 system upgrades.
Technical specifications
| Series | SIMATIC S7-400 |
| Type | ER2 Extension Rack |
| Slots | 9 (Signal Modules Only) |
| Redundant PS Support | Yes (2 slots) |
Common applications
Industrial Automation
Process Control
Manufacturing
Power Generation
Plant Expansion
PLC Systems
Compatible systems
SIMATIC S7-400 series
Also known as
SIMATIC S7-400 ER2 Extension Rack
Replaces / compatible with
This rack is used to expand the I/O capacity of existing SIMATIC S7-400 systems.
Technical note
Expert tip
This rack is exclusively for signal modules; CPU or communication modules cannot be installed in its slots.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 function of the Siemens 6ES7403-1JA01-0AA0 SIMATIC S7-400 ER2 extension rack?
The Siemens 6ES7403-1JA01-0AA0 ER2 extension rack provides 9 slots for signal modules, expanding the I/O capabilities of a SIMATIC S7-400 PLC system. It also supports the installation of two redundant power supply units for increased reliability.