SIMATIC S7-400 ER2 with 9 Slots, Aluminum for Building S7-400 Expansion Units
$1,181.79 – $1,313.10
ER2 expansion rack, aluminum — 9 slots for signal modules and redundant power supply. [VERIFIED via Siemens official datasheet]
Technical Specifications
| Product Type | Expansion Rack (ER2) |
| Material | Aluminum |
| Slots | 9 |
| Power Supply Support | Redundant power supply capable |
Typical Applications
Used to build expansion racks for S7-400 systems requiring additional signal module capacity beyond the central rack, with support for redundant power supply modules.
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