3RT2023-1BB40 – 4 kW Contactor, 3-Pole
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3RT2023-1BB40 – 4 kW Contactor, 3-Pole
CONTACTOR, AC-3, 4KW/400V, 1NO (3RT2023-1BB40)
The Siemens 3RT2023-1BB40 is a 3RT2 series motor contactor. Rated for 4 kW at 400V and 9 A under AC-3 conditions, with a 24 V DC coil and 1 NO + 1 NC auxiliary contacts. 3-pole configuration. Mounting: Screw terminal. Mechanical life: 10 million operations.
Key Specifications
| Manufacturer | Siemens |
| Series | SIRIUS 3RT2 |
| Catalog Number | 3RT2023-1BB40 |
| Size | S0 |
| Poles | 3 |
| Rated Power (400V) | 4 kW |
| Rated Current (AC-3 400V) | 9 A |
| Control Voltage | 24 V DC |
| Auxiliary Contacts | 1 NO + 1 NC |
| Coil Type | DC |
| Mounting | Screw terminal |
Shared Specifications
- General
- Mounting: DIN rail or screw mounting
- Standards: IEC 60947-4-1, UL 60947-4-1, CSA C22.2
- Ambient Temperature: -25 °C to +60 °C
- Degree of Protection: IP20 (terminals), IP40 (housing)
- Auxiliary Contacts: Snap-on front or side-mounted modules
- Coil Voltage Options: AC/DC coils, wide voltage range
- Switching Capacity: Up to 100 kA short-circuit current with fuse protection
- LED Indication: Optional status indication for operating state
- Accessories: Compatible with timing relays, overload relays, suppressors
- Enclosure: Finger-safe housing with integrated suppressor elements (optional)
- Certification: CE, UL, CSA, CCC, EAC
- ItemAliasNos:
- 3RT2023-1BB40
