SIEMENS SIMATIC S7-400 ER2 extension rack with 9 slots for signal modules and redundant power supply support.
Backorder available · Factory lead time 2–3 weeks.
The SIEMENS 6ES7403-1JA01-0AA0 is a reliable extension rack (ER2) specifically designed for the SIMATIC S7-400 automation system. Engineered for flexibility and expansion, this rack provides 9 slots dedicated for signal modules, making it the ideal choice for systems requiring additional I/O capacity. Its robust design also supports the installation of redundant power supplies, ensuring enhanced reliability in industrial automation environments.
Part of the mechanical backbone of the SIMATIC S7-400 and S7-400H systems, the ER2 extension rack offers structural support and seamless electrical integration for automation modules. The design guarantees effective operation by housing the modules securely, providing consistent power supply, and ensuring efficient backplane communication for expanded automation configurations.
Product Link: 6ES7403-1JA01-0AA0
| SKU / Model | 6ES7403-1JA01-0AA0 |
|---|---|
| Weight | 2.32 kg |
| Dimensions | 274 × 395 × 45 mm |
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