Siemens SIRIUS 3RT2024-1AN24 Power Contactor 12A, 5.5kW, 3-Pole, 220V AC Coil, 2NO+2NC, Size S0, Screw Terminal Original Brand New

Overview

The Siemens 3RT2024-1AN24 is a high-performance, 3-pole Power Contactor from the renowned SIRIUS 3RT2 series. Designed for switching motors and other electrical loads in industrial control systems, this Size S0 contactor offers an excellent combination of compact design and high reliability. It is engineered to meet the latest standards (AC-3e/AC-3) and is a foundational component for reliable motor control and protection.

Benefits & Advantages

• Reliable Performance: Part of the trusted Siemens SIRIUS modular system, guaranteeing long electrical and mechanical life.
• Space-Saving Design: The compact Size S0 body allows for efficient panel layout and space optimization.
• Integrated Flexibility: Comes with an integrated $2\text{ NO}+2\text{ NC}$ auxiliary switch block, which is also removable, simplifying wiring and offering flexibility for signaling and interlocking circuits.
• Easy Installation: Features robust screw terminals for secure and straightforward wiring of the main and auxiliary circuits.
• Global Standard Compliance: Approved worldwide for seamless integration into international projects (e.g., IEC, UL/CSA ready).

Function

The Siemens 3RT2024-1AN24 power contactor is primarily used for switching electric motors (operating category AC-3e/AC-3). It is activated by a $220\text{ V AC}$ control voltage, which energizes the coil and closes the three main power contacts. The auxiliary contacts ($2\text{ NO}$ and $2\text{ NC}$) provide feedback and control signals to other components in the circuit, such as PLCs, indicator lights, and interlocking systems.

Application

This contactor is ideal for a wide range of industrial control and automation applications, including:

• Starting and stopping 3-phase AC motors (up to $5.5\text{ kW}$ at $400\text{ V}$)
• Controlling resistive loads
• Use in motor starter combinations (DOL, Reversing Starters)
• Integration into complex control panels and machinery

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