The Siemens 3RT2024-1AG208K is a SIRIUS 3RT2 series S0 frame 3-pole power contactor designed for switching three-phase motors up to 5.5 kW at 400 V AC. It comes with mirror contact elements, screw terminals, and an AC control coil (typically 110 V AC, 50/60 Hz depending on variant family), making it suitable for industrial motor starters, control panels, HVAC systems, and automation applications.
This model belongs to the S0 frame size, which is commonly used for medium-duty motor switching applications and provides higher thermal capacity and durability compared to S00 series contactors.
According to Siemens SIRIUS 3RT2024 technical data, the series is generally rated at 12 A AC-3, supporting motor loads up to 5.5 kW at 400 V AC, with standard 3 NO main contacts and auxiliary contacts (typically 1 NO + 1 NC depending on configuration).
The mirror contact elements provide mechanically linked feedback of the main contacts, which is essential for PLC interlocking, safety circuits, and machine status monitoring, ensuring the controller can verify the real switching state of the contactor for safe operation and diagnostics.
With screw terminals, the device ensures strong, vibration-resistant wiring suitable for long-term industrial use in control cabinets.
| Parameter | Specification |
|---|---|
| Product Series | Siemens SIRIUS 3RT2 |
| Model Number | 3RT2024-1AG208K |
| 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 Coil (variant-dependent, ~110 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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