Overview
The Siemens SIRIUS 3RT2017-2WB41 is a high-performance power contactor engineered for reliable switching of motors and other industrial loads. This compact, 3-pole device is part of the trusted SIRIUS family, known for its robust construction and long service life.
With a rated operational current of 12A and a power rating of 5.5 kW at 400 V, it is perfectly suited for a wide range of AC-3 and AC-3e applications. The 24 V DC control voltage and integrated varistor protection ensure stable and secure operation, while the innovative spring-loaded terminals simplify wiring and provide a vibration-proof connection.
Key Features & Function
- High Performance: Rated for 12 A (AC-3e/AC-3) and 5.5 kW at 400 V, making it suitable for standard motor control applications.
- Integrated Protection: Features a pre-installed varistor for surge suppression, protecting the coil and extending the lifespan of the contactor.
- Flexible Control: Operates on a wide control voltage range of 0.85-1.85* Uc (24 V DC), accommodating voltage fluctuations without compromising performance.
- Space-Saving Design: Its compact S00 frame size allows for efficient use of panel space.
- Reliable Connections: The innovative spring-loaded terminals offer a secure, gas-tight connection that is resistant to vibration and requires no retightening. This reduces maintenance and increases operational reliability.
- Integrated Auxiliary Contact: Comes equipped with one normally open (1 NO) auxiliary contact, providing a clear signal for monitoring and control circuits.
- Safety & Compliance: Meets international standards for safe and reliable operation in industrial environments.
Benefit
- Enhanced Reliability: Integrated varistor and robust design minimize downtime and maintenance.
- Easy & Fast Installation: Spring-loaded terminals reduce wiring time and installation costs.
- Optimized for Space: The compact S00 frame is ideal for high-density control panels.
- Reduced Maintenance: The vibration-proof connections of the spring-loaded terminals ensure a stable and lasting connection, eliminating the need for periodic checks.
- Versatile Application: Excellent for a variety of motor control, heating, and lighting applications.
Application
- Motor Control: Switching of 3-phase motors in industrial machinery.
- Heating and HVAC Systems: Control of heating elements and ventilation fans.
- Lighting Systems: Switching large lighting circuits.
- Industrial Automation: Integration into control panels and automated systems.
Technical Specification
- Product Type: Power Contactor
- Product Number: 3RT2017-2WB41
- Manufacturer: Siemens
- Series: SIRIUS
- Frame Size: S00
- Number of Poles: 3
- Rated Operational Current (AC-3e/AC-3): 12 A
- Rated Operational Power (AC-3e/AC-3): 5.5 kW at 400 V
- Control Voltage: 24 V DC (0.85-1.85* Uc)
- Auxiliary Contacts: 1 NO (Normally Open)
- Coil Protection: Integrated Varistor
- Terminals: Spring-loaded
- Additional Features: No auxiliary switch can be added
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