Siemens SIRIUS 3RT2 size S3 3-pole power contactors, dc coil for direct plc control versions. For switching motors in AC-3/AC-3e: 80–95 A, up to 45 kW (400 V).
Technical data
| Series | 3RT2045, 3RT2046 |
|---|---|
| Size | S3 |
| Poles | 3 |
| Coil | DC coil for direct PLC control |
| AC-3 / AC-3e rated current (400 V) | 80–95 A |
| Motor rating (400 V, AC-3) | up to 45 kW |
| Mounting | Screw or snap-on DIN rail mounting |
| Terminals | Screw or spring-loaded (by article number) |
| Standard | IEC 60947-4-1 |
Article numbers
| Ie AC-3 400 V (A) | Motor rating 400 V (kW) | Ie AC-1 (A) | Auxiliary contacts | Coil voltage | Version | Screw | Spring-loaded |
|---|---|---|---|---|---|---|---|
| 80 | 37 | 125 | 1 NO + 1 NC | 24 V DC | Elektronik bobin, entegre varistörlü (operating range 0.8–1.2 × Uc, 25 W) | 3RT2045-1KB40 | 3RT2045-3KB40 |
| 95 | 45 | 130 | 1 NO + 1 NC | 24 V DC | Elektronik bobin, entegre varistörlü (operating range 0.8–1.2 × Uc, 25 W) | 3RT2046-1KB40 | 3RT2046-3KB40 |
Coil voltages not listed are available on request. Auxiliary switches, surge suppressors and link modules are ordered separately.
Technical data and article numbers are based on Siemens catalog IC 10 · 2026 (chapter 3, contactors for switching motors) 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: 3RT2 S3 DC-PLC, siemens contactor, 3RT2, power contactor, motor contactor, 3RT2045-1KB40, 3RT2045-3KB40, 3RT2046-1KB40, 3RT2046-3KB40