Siemens SIRIUS ACT 3SU1400 contact modules, front plate mounting: spare or additional contact blocks for 22 mm pushbuttons, emergency stops, selector and key switches.
Technical data
| Series | SIRIUS ACT 3SU1400 |
|---|---|
| Product type | Contact module |
| Contact material | Silver alloy or gold-plated (for low signal levels) |
| Contacts | 1 NO, 1 NC, 2 NO, 2 NC, 1 NO + 1 NC |
| Positive opening | NC contacts according to IEC 60947-5-1, Annex K |
| Connection | Screw, spring-loaded or THT (by article number) |
Article numbers
| Mounting | Contacts | Contact material | Connection | Pack | Article No. |
|---|---|---|---|---|---|
| Front plate mounting | 1 NO | Silver alloy | Screw | 5 units | 3SU1400-1AA10-1BA0 |
| Front plate mounting | 1 NC | Silver alloy | Screw | 5 units | 3SU1400-1AA10-1CA0 |
| Front plate mounting | 1 NC, installation supervision | Silver alloy | Screw | 1 unit | 3SU1400-1AA10-1HA0 |
| Front plate mounting | 2 NO | Silver alloy | Screw | 1 unit | 3SU1400-1AA10-1DA0 |
| Front plate mounting | 2 NC | Silver alloy | Screw | 1 unit | 3SU1400-1AA10-1EA0 |
| Front plate mounting | 1 NO + 1 NC | Silver alloy | Screw | 1 unit | 3SU1400-1AA10-1FA0 |
| Front plate mounting | 1 NO + 1 NC, leading/lagging | Silver alloy | Screw | 1 unit | 3SU1400-1AA10-1GA0 |
| Front plate mounting | 1 NO | Gold-plated | Screw | 1 unit | 3SU1400-1AA10-1LA0 |
| Front plate mounting | 1 NC | Gold-plated | Screw | 1 unit | 3SU1400-1AA10-1MA0 |
| Front plate mounting | 2 NO | Gold-plated | Screw | 1 unit | 3SU1400-1AA10-1NA0 |
| Front plate mounting | 2 NC | Gold-plated | Screw | 1 unit | 3SU1400-1AA10-1PA0 |
| Front plate mounting | 1 NO + 1 NC | Gold-plated | Screw | 1 unit | 3SU1400-1AA10-1QA0 |
| Front plate mounting | 1 NO + 1 NC, leading/lagging | Gold-plated | Screw | 1 unit | 3SU1400-1AA10-1RA0 |
| Front plate mounting | 1 NO | Silver alloy | Spring-loaded | 5 units | 3SU1400-1AA10-3BA0 |
| Front plate mounting | 1 NC | Silver alloy | Spring-loaded | 5 units | 3SU1400-1AA10-3CA0 |
| Front plate mounting | 1 NC, installation supervision | Silver alloy | Spring-loaded | 1 unit | 3SU1400-1AA10-3HA0 |
| Front plate mounting | 2 NO | Silver alloy | Spring-loaded | 1 unit | 3SU1400-1AA10-3DA0 |
| Front plate mounting | 2 NC | Silver alloy | Spring-loaded | 1 unit | 3SU1400-1AA10-3EA0 |
| Front plate mounting | 1 NO + 1 NC | Silver alloy | Spring-loaded | 1 unit | 3SU1400-1AA10-3FA0 |
| Front plate mounting | 1 NO + 1 NC, leading/lagging | Silver alloy | Spring-loaded | 1 unit | 3SU1400-1AA10-3GA0 |
| Front plate mounting | 1 NO | Gold-plated | Spring-loaded | 1 unit | 3SU1400-1AA10-3LA0 |
| Front plate mounting | 1 NC | Gold-plated | Spring-loaded | 1 unit | 3SU1400-1AA10-3MA0 |
| Front plate mounting | 2 NO | Gold-plated | Spring-loaded | 1 unit | 3SU1400-1AA10-3NA0 |
| Front plate mounting | 2 NC | Gold-plated | Spring-loaded | 1 unit | 3SU1400-1AA10-3PA0 |
| Front plate mounting | 1 NO + 1 NC | Gold-plated | Spring-loaded | 1 unit | 3SU1400-1AA10-3QA0 |
| Front plate mounting | 1 NO + 1 NC, leading/lagging | Gold-plated | Spring-loaded | 1 unit | 3SU1400-1AA10-3RA0 |
Technical data and article numbers are based on Siemens catalog IC 10 · 2026 (chapter 13, commanding and signaling devices) and are for information only. Image is representative.
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