Overview
The Siemens 3RT2047-1AH24 is a robust and reliable power contactor from the SIRIUS 3RT2 family, specifically designed for switching motors and general resistive loads in industrial control applications.
This high-capacity, 3-pole contactor is engineered for performance and longevity, classified for AC-3e/AC-3 operation with a high operating current of 110 A and a motor rating of 55 kW at 400 V. Its compact Size S3 design includes a 48 V AC, 50/60 Hz control coil, making it suitable for a wide range of global installations.
Key Specification & Features
- Product Number: 3RT2047-1AH24
- Product Brand: Siemens SIRIUS
- Contactor Type: Power Contactor (Motor Switching)
- Pole Count: 3-pole
- Operating Current (AC-3e/AC-3): 110 A
- Motor Power Rating: 55 kW at 400 V
- Coil Voltage: 48 V AC, 50/60 Hz
- Auxiliary Contacts: Integrated 2 NO + 2 NC (Normally Open + Normally Closed)
- Terminal Type: Screw Terminal
- Frame Size: Size S3
- Feature: Removable auxiliary switch block for flexibility and easy maintenance.
Benefit
- Exceptional Durability: High mechanical and electrical service life, typical of the SIRIUS family, ensuring minimal downtime.
- Space-Saving Design: The Size S3 frame offers a compact footprint despite its high current rating (110A), optimizing panel space.
- Global Standard: Compliant with international standards like AC-3e/AC-3 (IEC/EN 60947-4-1), suitable for use worldwide.
- Easy Installation & Wiring: Features a user-friendly screw terminal system for secure and straightforward connection.
- Versatile Integration: Easily expandable with a comprehensive range of SIRIUS 3RT2 accessories, including auxiliary switch blocks, function modules, and overload relays for complete motor feeder solutions.
Application
The 3RT2047-1AH24 is the ideal component for:
- Controlling medium to high-power three-phase AC motors (up to 55 kW).
- Switching general resistive loads, heating, and lighting circuits.
- Integration into motor starter combinations, including direct-on-line (DOL) and reversing starters.
- Use in machinery and plant engineering where reliable and safe power switching is essential.
For more of our high-quality industrial automation and electrical components, visit Turll today and explore the complete SIRIUS contactor range!
