Siemens SIRIUS 3RU2136 / 3RU2146 thermal overload relays, size S2 / S3, protect motors against overload and phase failure (for mounting on contactors). 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 mounting on contactors |
| 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 | 3 | 5.5–8 | 25 | 3RU2136-1HB0 | 3RU2136-1HD0 |
| S2 | 10 | 4 | 7–10 | 35 | 3RU2136-1JB0 | 3RU2136-1JD0 |
| S2 | 10 | 5.5 | 9–12.5 | 35 | 3RU2136-1KB0 | 3RU2136-1KD0 |
| S2 | 10 | 7.5 | 11–16 | 40 | 3RU2136-4AB0 | 3RU2136-4AD0 |
| S2 | 10 | 7.5 | 14–20 | 50 | 3RU2136-4BB0 | 3RU2136-4BD0 |
| S2 | 10 | 11 | 18–25 | 63 | 3RU2136-4DB0 | 3RU2136-4DD0 |
| S2 | 10 | 15 | 22–32 | 80 | 3RU2136-4EB0 | 3RU2136-4ED0 |
| S2 | 10 | 18.5 | 28–40 | 80 | 3RU2136-4FB0 | 3RU2136-4FD0 |
| S2 | 10 | 22 | 36–45 | 100 | 3RU2136-4GB0 | 3RU2136-4GD0 |
| S2 | 10 | 22 | 40–50 | 100 | 3RU2136-4HB0 | 3RU2136-4HD0 |
| S2 | 10 | 30 | 47–57 | 100 | 3RU2136-4QB0 | 3RU2136-4QD0 |
| S2 | 10 | 30 | 54–65 | 125 | 3RU2136-4JB0 | 3RU2136-4JD0 |
| S2 | 10A | 37 | 62–73 | 160 | 3RU2136-4KB0 | 3RU2136-4KD0 |
| S2 | 10A | 37 | 70–80 | 160 | 3RU2136-4RB0 | 3RU2136-4RD0 |
| S3 | 10 | 18.5 | 28–40 | 80 | 3RU2146-4FB0 | 3RU2146-4FD0 |
| S3 | 10 | 22 | 36–50 | 125 | 3RU2146-4HB0 | 3RU2146-4HD0 |
| S3 | 10 | 30 | 45–63 | 125 | 3RU2146-4JB0 | 3RU2146-4JD0 |
| S3 | 10 | 37 | 57–75 | 160 | 3RU2146-4KB0 | 3RU2146-4KD0 |
| S3 | 10 | 45 | 70–90 | 160 | 3RU2146-4LB0 | 3RU2146-4LD0 |
| S3 | 10 | 45 | 80–100 | 200 | 3RU2146-4MB0 | 3RU2146-4MD0 |
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, 3RU2136-1HB0, 3RU2136-1HD0, 3RU2136-1JB0, 3RU2136-1JD0, 3RU2136-1KB0, 3RU2136-1KD0, 3RU2136-4AB0, 3RU2136-4AD0, 3RU2136-4BB0, 3RU2136-4BD0, 3RU2136-4DB0, 3RU2136-4DD0, 3RU2136-4EB0, 3RU2136-4ED0, 3RU2136-4FB0, 3RU2136-4FD0, 3RU2136-4GB0, 3RU2136-4GD0, 3RU2136-4HB0, 3RU2136-4HD0, 3RU2136-4QB0, 3RU2136-4QD0, 3RU2136-4JB0, 3RU2136-4JD0, 3RU2136-4KB0, 3RU2136-4KD0, 3RU2136-4RB0, 3RU2136-4RD0, 3RU2146-4FB0, 3RU2146-4FD0, 3RU2146-4HB0, 3RU2146-4HD0, 3RU2146-4JB0, 3RU2146-4JD0, 3RU2146-4KB0, 3RU2146-4KD0, 3RU2146-4LB0, 3RU2146-4LD0, 3RU2146-4MB0, 3RU2146-4MD0