The Siemens SIRIUS 3RT2024-1AL24-3MA0 is a high-performance power contactor designed for reliable switching of motors and other electrical loads.Part of the trusted SIRIUS modular system, this contactor is built for durability, efficiency, and seamless integration into industrial automation and control systems. Its compact size S0 design saves space in control cabinets while delivering robust performance.
Key Benefit
High Performance: Capable of handling up to 12 A and 5.5 kW at 400 V, making it ideal for a wide range of motor control applications.
Reliable Operation: Designed for AC-3e/AC-3 switching duty, ensuring long-term reliability and performance in demanding environments.
Integrated Auxiliary Contacts: Features two normally open (2 NO) and two normally closed (2 NC) auxiliary contacts, providing flexibility for signaling and control circuits.
Secure Connections: Utilizes screw terminals for a strong and reliable electrical connection, minimizing the risk of faults.
Captive Auxiliary Switch: The integrated auxiliary switch cannot be removed, ensuring a consistent and reliable configuration.
Compact Design: The size S0 form factor allows for efficient use of space in crowded control panels.
Globally Recognized: As a Siemens product, it is manufactured to international standards (IEC, UL, CSA), ensuring compatibility and quality.
Technical Specification
Product Number: 3RT2024-1AL24-3MA0
Product Type: Power Contactor
Rated Current (AC-3e/AC-3): 12 A
Rated Power (AC-3): 5.5 kW @ 400 V
Operating Voltage: 230 V AC, 50/60 Hz
Number of Poles: 3-pole
Auxiliary Contacts: 2 NO + 2 NC
Connection Type: Screw Terminal
Size: S0
Special Features: Captive auxiliary switch, no retrofittable surge suppressor.
Function
Motor Switching: Primarily used for switching and controlling three-phase asynchronous motors.
Load Switching: Can also be used to switch other resistive or inductive loads, such as heaters, lighting, and transformers.
Control Integration: The auxiliary contacts provide feedback to PLCs and other control systems, allowing for monitoring of the contactor's status.
Safety Interlocking: The normally closed auxiliary contacts can be used for safety interlocking circuits to prevent simultaneous operation of conflicting equipment.
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