Siemens SIRIUS Power Contactor 3RT2023-1AG24 9A, 4kW, 110V AC, 2NO+2NC, Size S0, Screw Terminal Original Brand New

Overview: Siemens SIRIUS 3RT2 Power Contactor

The Siemens 3RT2023-1AG24 is a high-performance, compact power contactor from the globally recognized SIRIUS 3RT2 series, engineered for switching motors and other electrical loads. This 3-pole device is rated for a maximum operational current of 9 A (AC-3e/AC-3) and a power of 4 kW at 400 V.

Designed as a key component of modern industrial control systems, this contactor provides exceptional reliability and is part of the modular SIRIUS system, allowing for seamless integration with other Siemens control and protection devices. It features a coil voltage of 110 V AC (50/60 Hz) and comes pre-fitted with a high-capacity 2 NO + 2 NC removable auxiliary switch block for extended control and signaling functionality. The robust screw terminals ensure secure and reliable wiring.

Benefit

• High Reliability: Exceptional contact reliability for safe and functional switching of motors.
• Space-Saving Design: The compact Size S0 minimizes panel space requirements.
• Flexibility & Integration: Part of the comprehensive SIRIUS modular system, ensuring optimal coordination with overload relays, circuit breakers, and function modules.
• Enhanced Control: The included 2 NO + 2 NC auxiliary contacts provide ample options for interlocking, signaling, and control circuit feedback.
• Global Standard Compliance: Approved for worldwide use (IEC, UL/CSA), making it suitable for international projects.
• Easy Maintenance: Screw terminals are highly favored for their durability and secure connection. The removable auxiliary switch simplifies installation and replacement.

Function

The Siemens 3RT2023-1AG24 acts as an electrically operated switch (contactor) to control the flow of power to a main load, typically a 3-phase electric motor.

1. Motor Switching: The 3-pole main contacts are designed for AC-3e/AC-3 operation, which is ideal for switching squirrel-cage motors during operation (start and stop).
2. Control Circuit Interface: The 110V AC coil energizes the contactor, closing the main contacts. The integrated 2NO + 2NC auxiliary contacts switch simultaneously to provide signals or control interlocking circuits.
3. Safety & Protection: When combined with a SIRIUS 3RU2 thermal overload relay or 3RV2 motor starter protector, it forms a complete, tested, and reliable load feeder assembly.

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