
Siemens 3RT7045-1AM00
MPN3RT7045-1AM00
Contactor AC-3 80/37kW 400V 220 VAC, 50 Hz 3-pole, Size S3 Screw terminal
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsListing updated Jun 2026
Specifications
Identification
| Parameter | Value |
|---|---|
| Contactor frame size | S3 |
Ratings & Performance
| Parameter | Value |
|---|---|
| Rated value @ 400 V | 3 A |
| Rated value @ 690 V | 1 A |
| Rated value @ 230 V | 6 A |
Control & Coil
| Parameter | Value |
|---|---|
| Control supply voltage type | AC |
| Rated value @ 50 Hz | 0.27 |
| Rated value @ 50 Hz | 220 V |
Contacts & Poles
| Parameter | Value |
|---|---|
| Main poles | 3 |
| Main NO contacts | 3 |
| Auxiliary contact reliability | acceptability for PLC control (17 V, 5 mA) |
Protection & Coordination
| Parameter | Value |
|---|---|
| Short-circuit coordination type 1, fuse | gL/gG NH 3NA: 200 A |
| Aux. switch short-circuit protection, fuse | fuse gL/gG: 10 A |
Connection & Mounting
| Parameter | Value |
|---|---|
| Main circuit connection | screw-type terminals |
| Aux. / control circuit connection | screw-type terminals |
| Conductor cross-section, solid or stranded | 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²) |
| Conductor cross-section, finely stranded w/ ferrule | 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²) |
| Mounting method | screw and snap-on mounting onto 35 mm and 75 mm standard mounting rail |
| Side-by-side mounting | Yes |
Environmental
| Parameter | Value |
|---|---|
| Operating temperature range | -10 ... +55 °C |
| Storage temperature range | -25 ... +70 °C |
| Installation altitude, max. | 2 000 m |
Mechanical
| Parameter | Value |
|---|---|
| Width | 70 mm |
| Height | 148 mm |
| Depth | 139 mm |
MPN
3RT7045-1AM00