Siemens SIRIUS 3RV2431 size S2 protection device for transformer protection (high instantaneous trip), transformer protection, class 10, without auxiliary switches. Available for rated currents 14–65 A with adjustable thermal overload release and fixed instantaneous (short-circuit) release.
Technical data
| Series | 3RV2431 |
|---|---|
| Size | S2 |
| Application | Transformer protection (high instantaneous trip) |
| Trip class | 10 |
| Auxiliary switch | none |
| Rated current range | 14–65 A |
| Mounting | Screw or snap-on mounting on TH35 DIN rail |
| Connection | Screw terminals |
| Standard | IEC 60947-2, IEC 60947-4-1 |
Article numbers
| In (A) | Setting range (A) | Instantaneous release (A) | Icu 400 V (kA) | Version | Screw |
|---|---|---|---|---|---|
| 14 | 9.5–14 | 328 | 65 | – | 3RV2431-4SA10 |
| 17 | 12–17 | 410 | 65 | – | 3RV2431-4TA10 |
| 20 | 14–20 | 410 | 65 | – | 3RV2431-4BA10 |
| 25 | 18–25 | 512 | 65 | – | 3RV2431-4DA10 |
| 32 | 22–32 | 656 | 65 | – | 3RV2431-4EA10 |
| 36 | 28–36 | 820 | 65 | – | 3RV2431-4PA10 |
| 40 | 32–40 | 820 | 65 | – | 3RV2431-4UA10 |
| 45 | 35–45 | 922 | 65 | – | 3RV2431-4VA10 |
| 52 | 42–52 | 1025 | 65 | – | 3RV2431-4WA10 |
| 59 | 49–59 | 1040 | 65 | – | 3RV2431-4XA10 |
| 65 | 54–65 | 1040 | 65 | – | 3RV2431-4JA10 |
| 32 | 22–32 | 656 | 65 | special conditions down to −50 °C | 3RV2431-4EA10-0BA0 |
Versions for special conditions down to −50 °C have limited mechanical endurance and no UL/CSA, ATEX or IECEx approval (catalog footnote). Auxiliary switches and other accessories are ordered separately.
Technical data and article numbers are based on Siemens catalog IC 10 · 2026 (chapter 7, protection equipment) and are for information only. Image is representative.
For price, stock and lead time, use the Request a Quote button or call +90 533 945 27 94. Sending the article number is enough.
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