Siemens Controller LDU11
| Model | Operating voltage (V) | Hertz | T3 | T4 | |
| LDU11.323A17 | AC100..110V | 50…60Hz | 2.5s | 2.5s | |
| LDU11.523A27 | AC220..240V | 50…60Hz | 2.5s | 2.5s | |
| LDU11.523A17 | AC100..110V | 50…60Hz | 5s | 5s | |
| LDU11.523A27 | AC220..240V | 50…60Hz | 5s | 5s | |
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