Siemens SIRIUS 3RU2136 / 3RU2146 thermal overload relays, size S2 / S3, protect motors against overload and phase failure (for stand-alone installation). All article numbers by setting range, with suitable motor rating and maximum gG fuse for type of coordination 2, are listed below.
Technical data
| Series | 3RU2136 / 3RU2146 |
|---|---|
| Size | S2 / S3 |
| Mounting | for stand-alone installation |
| Trip class | 10 or 10A |
| Protection | Overload and phase failure |
| Auxiliary contacts | 1 NO + 1 NC |
| Reset | Manual and automatic |
| Functions | TEST, STOP button, switch position indicator |
| Connection | Screw or spring-loaded terminals (main and auxiliary circuit) |
Article numbers
| Size | Class | Motor rating (kW) | Setting range (A) | Max. gG fuse (A) | Screw | Spring-loaded |
|---|---|---|---|---|---|---|
| S2 | 10 | 15 | 22–32 | 80 | 3RU2136-4EB1 | 3RU2136-4ED1 |
| S2 | 10 | 18.5 | 28–40 | 80 | 3RU2136-4FB1 | 3RU2136-4FD1 |
| S2 | 10 | 22 | 36–45 | 100 | 3RU2136-4GB1 | 3RU2136-4GD1 |
| S2 | 10 | 22 | 40–50 | 100 | 3RU2136-4HB1 | 3RU2136-4HD1 |
| S2 | 10 | 30 | 47–57 | 100 | 3RU2136-4QB1 | 3RU2136-4QD1 |
| S2 | 10 | 30 | 54–65 | 125 | 3RU2136-4JB1 | 3RU2136-4JD1 |
| S2 | 10A | 37 | 62–73 | 160 | 3RU2136-4KB1 | 3RU2136-4KD1 |
| S2 | 10A | 37 | 70–80 | 160 | 3RU2136-4RB1 | 3RU2136-4RD1 |
| S3 | 10 | 30 | 45–63 | 125 | 3RU2146-4JB1 | 3RU2146-4JD1 |
| S3 | 10 | 37 | 57–75 | 160 | 3RU2146-4KB1 | 3RU2146-4KD1 |
| S3 | 10 | 45 | 70–90 | 160 | 3RU2146-4LB1 | 3RU2146-4LD1 |
| S3 | 10 | 45 | 80–100 | 200 | 3RU2146-4MB1 | 3RU2146-4MD1 |
Motor ratings are guide values for 4-pole standard motors at 50 Hz 400 V AC. The fuse value refers only to type of coordination 2 protection of the overload relay.
Technical data and article numbers are based on Siemens catalog IC 10 · 2026 (chapter 7, overload relays) 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.
Tags: 3RU2136 / 3RU2146, siemens thermal overload relay, 3RU2, overload relay, motor protection, 3RU2136-4EB1, 3RU2136-4ED1, 3RU2136-4FB1, 3RU2136-4FD1, 3RU2136-4GB1, 3RU2136-4GD1, 3RU2136-4HB1, 3RU2136-4HD1, 3RU2136-4QB1, 3RU2136-4QD1, 3RU2136-4JB1, 3RU2136-4JD1, 3RU2136-4KB1, 3RU2136-4KD1, 3RU2136-4RB1, 3RU2136-4RD1, 3RU2146-4JB1, 3RU2146-4JD1, 3RU2146-4KB1, 3RU2146-4KD1, 3RU2146-4LB1, 3RU2146-4LD1, 3RU2146-4MB1, 3RU2146-4MD1