3RT2025-1BB40-ZW97 - Siemens
MPN3RT2025-1BB40-ZW97
Active
CONTACTOR, AC-3, 7.5KW/400V, 1NO+1NC, DC 24V, 3-POLE, SZ S0 SCREW TERMINAL MULTI UNIT PACKAGING PACKAGE = 12 UNITS
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Contactor frame size | S0 |
| Parameter | Value |
|---|---|
| Rated operational current, AC-12, max. | 10 A |
| Rated operational current, AC-4 @ 400 V | 15.5 A |
| Rated value @ 400 V | 3 A |
| Rated value @ 500 V | 2 A |
| Rated value @ 690 V | 1 A |
| Rated value @ 230 V | 3 hp |
| Rated value @ 24 V | 10 A |
| Rated value @ 60 V | 2 A |
| Rated value @ 110 V | 1 A |
| Rated value @ 220 V | 0.3 A |
| Parameter | Value |
|---|---|
| Control supply voltage type | DC |
| 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 | gG: 63A (690V,100kA), aM: 32A (690V,100kA), BS88: 63A (415V,80kA) |
| Short-circuit coordination type 2, fuse | gG: 25A (690V,100kA), aM: 20A (690V,100kA), BS88: 25A (415V,80kA) |
| Aux. switch short-circuit protection, fuse | gG: 10 A (500 V, 1 kA) |
| Parameter | Value |
|---|---|
| Main circuit connection | screw-type terminals |
| Aux. / control circuit connection | screw-type terminals |
| Conductor cross-section, solid | 1 ... 10 mm² |
| 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 60715 |
| 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 | 107 mm |
Frequently asked questions
What is the AC-3 rating of Siemens 3RT2025-1BB40-ZW97 at 400V?
Confirms the 7.5kW motor switching capability buyers expect for AC-3 duty.
What does the ZW97 suffix mean on a Siemens 3RT2025 contactor?
Clarifies packaging variant (multi-unit pack of 12) versus the base part number.
What is the coil voltage of Siemens 3RT2025-1BB40-ZW97?
Ensures the 24V DC coil matches the control circuit before purchase.
What is the difference between 3RT2025-1BB40 and 3RT2025-1BB40-ZW97?
Prevents mis-specifying the standard unit vs. the ZW97 bulk-pack variant.
How many auxiliary contacts does 3RT2025-1BB40-ZW97 have?
Verifies the 1NO+1NC contact configuration for control logic planning.
Where can I buy 3RT2025-1BB40-ZW97 with current stock and price?
Drives procurement decisions and helps MRO storerooms secure spares quickly.
MPN
3RT2025-1BB40-ZW97