Siemens SIRIUS 3RT2047-1AP00-1AA0 Power Contactor 110A, 55kW / 400V, 3-Pole, 230V AC Coil, Size S3, Screw Terminal Original Brand New

Overview: High-Performance SIRIUS 3RT2 Power Contactor

The Siemens 3RT2047-1AP00-1AA0 is a robust and highly reliable SIRIUS 3RT2 power contactor engineered for demanding motor switching applications. As part of the SIRIUS modular system, this contactor ensures consistent and safe operation in industrial control and automation environments.

It is rated for AC-3e/AC-3 utilization category, making it ideal for the standard switching of squirrel-cage motors. Key features include a high power rating, a standard auxiliary contact configuration, and a durable screw terminal connection.

Technical Specification

• Product Type: Power Contactor for Motor Switching
• Manufacturer: Siemens (SIRIUS 3RT2 Series)
• Article Number: 3RT2047-1AP00-1AA0
• Contactor Size: S3
• Current Rating (AC-3e/AC-3): 110 A
• Power Rating: 55 kW at 400 V
• Poles: 3-pole
• Control Coil Voltage: 230 V AC, 50 Hz
• Auxiliary Contacts: 1 NO (Normally Open) + 1 NC (Normally Closed)
• Connection Type: Screw Terminal
• Mounting Position: Upright mounting position
• Insulation Voltage (Ui): 1000 V
• Mechanical Service Life: Up to 10 million operating cycles (typical)
• Compliance: RoHS compliant, designed to IEC/EN 60947 standards.
• Country of Origin: Germany

Key Benefit

• Superior Motor Control: Provides a high current rating (110 A) and power capacity (55 kW) for reliable control of high-load 3-phase AC motors.
• High Reliability & Longevity: Exceptional mechanical service life ensures extended, maintenance-free operation, reducing total cost of ownership.
• Efficient Integration: Size S3 design and screw terminals allow for straightforward installation and wiring within industrial control panels.
• Standard Control: The 230V AC coil is a common control voltage, simplifying integration into existing electrical systems.
• Immediate Feedback: Integrated 1 NO + 1 NC auxiliary contacts provide immediate status signaling for interlocking and control circuit functionality.
• Modular Flexibility: Compatible with a wide range of SIRIUS 3RT2 accessories (overload relays, auxiliary switch blocks, function modules) for maximum application flexibility.

Typical Function & Application

The 3RT2047-1AP00-1AA0 Power Contactor serves as the primary electrically-operated switch for starting and stopping industrial machinery. It is essential for Direct On-Line (DOL) starting of large three-phase motors in applications such as:

• Pumps and Compressors
• Ventilation and Air Conditioning Systems
• Conveyor Systems and Material Handling Equipment
• General Machinery Control in Factories and Plants

For more information on industrial control components or to explore our complete range of Siemens SIRIUS products, visit turll today.