Siemens SIMATIC S7-400 ER1 aluminum rack, order code 6ES7403-1TA11-0AA0, 18 slots, 482.5 x 290 x 27.5 mm, 2.5 kg, for signal modules with 2 redundant PS slots, phase-out.
| Parameter | Value |
|---|---|
| Max. | 70 °C |
| Parameter | Value |
|---|---|
| Min. | 0 °C |
| Parameter | Value |
|---|---|
| Height | 290 mm |
| Width | 482.5 mm |
| Depth | 27.5 mm |
| Weight (approx.) | 2 500 g |
| Parameter | Value |
|---|---|
| CE mark | Yes |
| Parameter | Value |
|---|---|
| P bus | Yes |
| FM approval | Yes |
| KC approval | Yes |
| UL approval | Yes |
| Number of slots | 18 |
| Communication bus | No |
| EAC (formerly Gost-R) | Yes |
| RCM (formerly C-TICK) | Yes |
The 6ES7403-1TA11-0AA0 is a Siemens SIMATIC S7-400 ER1 aluminum extension rack with 18 slots for signal modules, supporting up to two redundant power supplies. Siemens has phased this rack out, with discontinuation effective October 2025.
Siemens lists the 6ES7403-1TA11-0AA0 as phase-out with a discontinuation date of October 2025. No official successor rack is named, so sourcing now runs through surplus and broker channels.
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