3RT6025-1AL20
MPN3RT6025-1AL20
Contactor AC 230 V 50/60 HZ AC3 7.5 kW 400 V AUX contacts 1 NO +1 NC 3-pole, size S0 screw terminal
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Specifications
| Parameter | Value |
|---|---|
| Contactor frame size | S0 |
| Parameter | Value |
|---|---|
| Rated operational current, AC-12, max. | 10 A |
| Rated value @ 400 V | 3 A |
| Rated value @ 690 V | 1 A |
| Rated value @ 230 V | 10 A |
| Rated value @ 24 V | 6 A |
| Rated value @ 110 V | 1 A |
| Rated value @ 220 V | 0.3 A |
| Parameter | Value |
|---|---|
| Control supply voltage type | AC |
| Rated value @ 50 Hz | 0.25 |
| Rated value @ 50 Hz | 230 V |
| Parameter | Value |
|---|---|
| Main poles | 3 |
| Main NO contacts | 3 |
| Auxiliary contact reliability | 1 faulty switching per 100 million (17 V, 1 mA) |
| Parameter | Value |
|---|---|
| Short-circuit coordination type 1, fuse | gL/gG LV HRC 3NA, DIAZED 5SB, NEOZED 5SE: 63 A |
| Short-circuit coordination type 2, fuse | gL/gG LV HRC 3NA, DIAZED 5SB, NEOZED 5SE: 25 A |
| Aux. switch short-circuit protection, fuse | fuse gL/gG: 10 A |
| 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 DIN rail according to DIN EN 50022 |
| Side-by-side mounting | Yes |
| Parameter | Value |
|---|---|
| Durability (operating cycles, typ.) | 10 000 000 |
| Durability with aux. switch block (cycles, typ.) | 10 000 000 |
| Parameter | Value |
|---|---|
| Operating temperature range | -25 ... +60 °C |
| Storage temperature range | -55 ... +80 °C |
| Installation altitude, max. | 2 000 m |
| Parameter | Value |
|---|---|
| Width | 45 mm |
| Height | 85 mm |
| Depth | 97 mm |
| Parameter | Value |
|---|---|
| At AC | 5 000 1/h |
Frequently asked questions
What is the coil voltage of Siemens 3RT6025-1AL20?
Coil voltage must match control circuit to avoid coil burnout or non-operation.
What is the AC-3 power rating of the 3RT6025-1AL20 at 400 V?
Confirms the contactor can handle the motor load in kW at standard European 400 V supplies.
What does the auxiliary contact configuration 1 NO + 1 NC mean on 3RT6025-1AL20?
Defines available I/O for feedback and interlock wiring in the control schematic.
Is the 3RT6025-1AL20 a Size S0 contactor?
Frame size determines compatibility with thermal overload relays and accessories.
Can the 3RT6025-1AL20 be replaced by 3RT2025-1AL20?
Sourcing buyers and obsolescence managers need a modern cross-reference before committing to a legacy part.
Where can I buy a 3RT6025-1AL20 with current stock and pricing?
Real-time availability and distributor pricing drive the purchase decision for panel builds and spares.
MPN
3RT6025-1AL20