The Siemens 3RT2024-1AL208K is a SIRIUS 3RT2 power contactor designed for reliable switching and control of three-phase motors and industrial electrical loads. It has an AC-3e/AC-3 rating of 12A and is suitable for motors up to 5.5 kW at 400V. The contactor features a 230V AC control voltage at 50/60 Hz, 3 main poles, 1 NO + 1 NC auxiliary contacts, screw terminal connections, and a compact S0 size. These specifications are confirmed by Siemens' official datasheet for the corresponding 3RT2024-1AL20 configuration.
The 3RT2024-1AL208K is suitable for DOL motor starters, MCC panels, pump control systems, compressors, conveyors, HVAC equipment, industrial machinery, OEM control panels, and factory automation applications requiring a 230V AC control supply.
Brand: Siemens
Product family: SIRIUS 3RT
Model: 3RT2024-1AL208K
Utilization category: AC-3e/AC-3
Rated operational current: 12A
Motor rating: 5.5 kW at 400V
Main circuit: 3-pole
Control voltage: 230V AC
Control frequency: 50/60 Hz
Auxiliary contacts: 1 NO + 1 NC
Terminal type: Screw terminal
Contactor size: S0
Suitable for three-phase motor switching
Compact design for industrial control panels
SIRIUS 3RT2 series power contactor
Three-phase motor control
DOL motor starters
Motor Control Centers (MCC)
Industrial automation panels
Pump control systems
Compressor systems
Conveyor systems
HVAC equipment
Manufacturing machinery
OEM electrical panels
Machine automation
Factory electrical systems
Reliable 12A AC-3e/AC-3 motor switching
Suitable for motors up to 5.5 kW at 400V
230V AC, 50/60 Hz control supply
1 NO + 1 NC auxiliary contacts for control and signaling
Secure screw-terminal connections
Compact S0 construction
Easy integration into industrial control panels
Suitable for DOL starter applications
Reliable Siemens SIRIUS technology
Suitable for industrial motor-control applications
The 3RT2024-1AL208K is a Siemens SIRIUS power contactor used for switching and controlling three-phase motors and industrial electrical loads.
The contactor has an AC-3e/AC-3 rated current of 12A.
It is suitable for motors up to 5.5 kW at 400V.
The contactor operates with a 230V AC control voltage at 50/60 Hz.
It provides 1 NO + 1 NC auxiliary contacts, suitable for control, feedback, signaling, and electrical interlocking.
The 3RT2024-1AL208K uses screw terminal connections.
The contactor is Size S0.
Yes. It can be used as the main contactor in a DOL motor starter together with an appropriately selected motor-protection device.
Its 12A AC-3e/AC-3 rating, 5.5kW motor capacity, 3-pole configuration, 230V AC coil, 1 NO + 1 NC auxiliary contacts, screw terminals, and S0 construction make it suitable for a wide range of industrial motor-control applications.
Siemens' official datasheet identifies the corresponding 3RT2024-1AL20 configuration with the same 12A, 5.5kW, 400V, 3-pole, 230V AC, 50/60Hz, 1 NO + 1 NC, screw-terminal, S0 specifications.
| Parameter | Specification |
|---|---|
| Product Series | Siemens SIRIUS 3RT2 |
| Model Number | 3RT2024-1AL208K |
| Product Type | Power Contactor |
| Contactor Configuration | 3 Pole |
| Rated Current (AC-3) | 12 A |
| Motor Rating | 5.5 kW @ 400 V AC |
| Coil Type | AC/DC (230 V AC family) |
| Auxiliary Contact | 1 NO + 1 NC (variant dependent) |
| Contact Feedback | Mirror Contact Elements |
| Terminal Type | Screw Terminals |
| Frame Size | S0 |
| Application | Motor Control & Power Switching |
| Brand | Siemens |
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