Siemens 3RU21161GB0 SIRIUS 3RU2 Thermal Overload Relay
Current ranges — SIRIUS 3RU2 S00 family
The 3RU2116 base number groups eight thermally managed Class 10 overload relays into one physical frame; all ship bulk and carry ROHS3 status.
| MPN | Current Range (A) |
|---|---|
| 3RU21161GB0 | 4.5–6.3 |
| 3RU21161HB0 | 5.5–8 |
| 3RU21161EB0 | 2.8–4 |
| 3RU21161BB0 | 1.4–2 |
| 3RU21161JB0 | 7–10 |
| 3RU21161CB0 | 1.8–2.5 |
| 3RU21161AB0 | 1.1–1.6 |
| 3RU21161KB0 | 9–12.5 |
| 3RU21161DB0 | 2.2–3.2 |
Compare — 3RU21161GB0 vs sibling trip bands
The following three alternatives share the same S00 frame, bulk packaging, and contactor-pairing design. Confirm coordination type and short-circuit withstand for your specific protection scheme before selection.
| 3RU21161GB0 | 3RU21161HB0 | 3RU21161EB0 | 3RU21161BB0 | |
|---|---|---|---|---|
| Current range (A) | 4.5–6.3 | 5.5–8 | 2.8–4 | 1.4–2 |
| Similarity | — | 0.9282 | 0.9282 | 0.9282 |
3RU21161HB0 — same SIRIUS 3RU2 series and thermal overload accessory type; shifts the trip band upward by one step (5.5–8 A) without changing the S00 form factor.
3RU21161EB0 — same SIRIUS 3RU2 series and thermal overload accessory type; drops the trip band to 2.8–4 A within the same frame and packaging.
3RU21161BB0 — same SIRIUS 3RU2 series and thermal overload accessory type; targets the lowest current band in this family (1.4–2 A) with identical mechanical footprint.