Title: Siemens SIRIUS 3RT2024-1AC20 Power Contactor - 3-Pole, AC-3 18.5A, 230V AC Coil, Size S0

Product Overview:
The Siemens SIRIUS 3RT2024-1AC20 is a high-performance, 3-pole power contactor from the renowned SIRIUS 3RT2 series, meticulously engineered for reliable switching of motors and resistive loads in demanding industrial environments. This robust Size S0 contactor is designed to deliver exceptional operational stability, high electrical and mechanical endurance, and a long service life, making it an indispensable component in modern automation systems. Featuring a 230V AC operating coil, it ensures precise and efficient control of power circuits. Its compact design facilitates space-saving installation in control cabinets, while its compliance with international standards guarantees global applicability and safety. Ideal for a wide range of applications including motor control, heating, lighting, and general load switching, the 3RT2024-1AC20 embodies the quality, dependability, and innovation expected from Siemens industrial control gear. This contactor is a crucial element for optimizing the performance and reliability of your electrical installations.

Key Features & Benefits:

High-Performance 3-Pole Contactor: Optimized for efficient and reliable switching of 3-phase AC motors up to 7.5 kW (at 400V AC-3) and other resistive loads up to 25A (AC-1).
Robust SIRIUS 3RT2 Series: Part of Siemens' advanced SIRIUS modular system, ensuring seamless integration, high reliability, and superior performance in industrial control applications.
Efficient 230V AC Coil: Provides reliable and precise control, suitable for standard industrial power supplies (50/60 Hz), ensuring consistent operation.
Compact Size S0 Design: Space-saving footprint allows for efficient use of panel space in control cabinets, reducing overall system size and complexity.
Integrated Auxiliary Contacts: Typically includes 1 NO (normally open) and 1 NC (normally closed) auxiliary contacts for feedback, interlocking, and control circuit integration.
High Electrical and Mechanical Endurance: Engineered for millions of switching operations, ensuring a long operational lifespan, reduced downtime, and lower maintenance costs.
Versatile Mounting Options: Supports both standard 35mm DIN rail mounting and direct screw fixing for flexible and secure installation in various panel configurations.
Global Standards Compliance: Meets stringent international standards such as IEC 60947-4-1, UL 60947-4-1, and CSA C22.2 No. 60947-4-1, ensuring worldwide usability and safety.
Enhanced Safety Features: Finger-safe terminals (IP20 protection) protect against accidental contact, improving operator safety during installation and maintenance.
Wide Operating Temperature Range: Reliable performance in diverse environmental conditions, from -25°C to +60°C, ensuring operational stability in challenging industrial settings.
Energy-Efficient Operation: Optimized coil power consumption contributes to overall energy savings in your system, reducing operational costs.

Applications:

The Siemens SIRIUS 3RT2024-1AC20 power contactor is an essential component widely utilized across a broad spectrum of industrial and commercial applications, including:
Motor Control: Ideal for direct-on-line (DOL) starting, stopping, and reversing of 3-phase AC motors in pumps, fans, compressors, conveyors, and various machine tools.
Heating Systems: Efficiently switching heating elements in industrial ovens, furnaces, climate control systems, and process heating applications.
Lighting Control: Managing large-scale lighting installations in factories, warehouses, commercial buildings, and public infrastructure.
Power Distribution: Used for switching and controlling power circuits in distribution boards, control panels, and sub-distribution units.
Automation Systems: Seamless integration into complex automation and process control systems for reliable and precise load switching, enhancing overall system efficiency.
HVAC Systems: Controlling critical components such as compressors, blowers, and fans in heating, ventilation, and air conditioning units.
General Load Switching: Any application requiring robust, reliable, and safe switching of resistive, inductive, or capacitive loads in industrial and commercial settings.

Technical Specifications:

Part Number: 3RT2024-1AC20
Alternative Part Number: 3RT20241AC20
Product Type: Power Contactor
Series: Siemens SIRIUS 3RT2
Number of Poles: 3-pole
Contactor Size: S0
Rated Operational Current (AC-3): 18.5 A (at 400V)
Rated Operational Current (AC-1): 25 A (at 400V)
Rated Operational Voltage: Up to 690 V AC
Control Supply Voltage (Coil): 230 V AC, 50/60 Hz
Auxiliary Contacts: 1 NO + 1 NC (integrated)
Rated Power (AC-3, 400V): 7.5 kW
Mounting Type: DIN rail (35mm) or screw mounting
Protection Class: IP20 (finger-safe terminals)
Operating Temperature Range: -25 °C to +60 °C
Electrical Endurance: Up to 10 million switching cycles (AC-3)
Mechanical Endurance: Up to 30 million switching cycles
Standards: IEC 60947-4-1, UL 60947-4-1, CSA C22.2 No. 60947-4-1
Weight: Approximately 0.35 kg