Siemens SIRIUS 3RT2024-1AK60 Power Contactor 12A, 5.5kW, 3-Pole, 110/120V AC Coil, 1 NO + 1 NC, Size S0 Original Brand New

Overview

The Siemens SIRIUS 3RT2024-1AK60 is a high-performance, 3-pole power contactor designed for switching motors and general resistive loads in industrial control systems. As part of the SIRIUS 3RT2 series, it offers a compact design (Size S0) and exceptional reliability, making it a globally approved and climate-resistant component for demanding applications.

The contactor is rated for 12 A at $400\text{ V}$ (AC-3e/AC-3 duty) with a switching capacity of $5.5\text{ kW}$. It is equipped with an $110\text{ V AC}(50\text{ Hz})/120\text{ V AC}(60\text{ Hz})$ coil and integrated auxiliary contacts ($1\text{ NO}+1\text{ NC}$), providing essential feedback and interlocks for your control circuit. Connection is secured via robust screw terminals.

Benefit

• Compact Design (Size S0): Saves valuable panel space compared to older or alternative models.
• High Reliability: Part of the globally recognized SIRIUS modular system, ensuring high contact reliability and long mechanical service life (typically $10,000,000$ operating cycles).
• Integrated Auxiliary Contacts: The built-in $1\text{ NO}+1\text{ NC}$ contacts simplify wiring and reduce the need for external auxiliary blocks for basic interlocking and signaling.
• Global Compliance: Approved and tested worldwide (IEC, UL/CSA, IE3/IE4-ready) for universal application.
• Flexible Integration: Optimized to connect seamlessly with other SIRIUS components, such as thermal overload relays (e.g., 3RU2124), for complete motor starter solutions.

Function

The 3RT2024-1AK60 power contactor is an electromechanical switching device used primarily for:

1. Switching Electric Motors: Turning motors on and off, particularly in applications up to $5.5\text{ kW}$ (approx. $7.5\text{ HP}$ at $460\text{ V}$).
2. Switching Resistive Loads: Controlling heating elements, lighting, and other resistive loads.
3. Remote Control: Allowing for the motor or load to be controlled remotely via a low-power control voltage ($110/120\text{ V AC}$) applied to the coil. The main contacts open or close the high-power circuit.

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