Overview: Siemens SIRIUS 3RT2017-2BW42 Power Contactor
The Siemens 3RT2017-2BW42 is a high-performance SIRIUS 3RT2 power contactor designed for switching motors in industrial applications. As a reliable component within the SIRIUS modular system, this 3-pole contactor (Size S00) offers exceptional switching performance in a compact design. It features a 48V DC operating mechanism for reliable control and uses spring-loaded terminals to ensure fast, vibration-proof, and maintenance-free wiring, significantly reducing installation time. This model is certified for both AC-3 (motor switching) and AC-3e (efficiency) applications.
Key Product Specifications
- Product Number: 3RT2017-2BW42
- Type: Power Contactor for Motor Switching
- Series: SIRIUS 3RT20 (Replacement for 3RT1)
- Poles: 3-pole
- Max Operating Current (AC-3/AC-3e at 400V): 12 A
- Rated Power (AC-3/AC-3e at 400V): 5.5 kW
- Control/Coil Voltage: 48 V DC
- Auxiliary Contacts: 1 NC (Normally Closed) integrated
- Terminal Type: Spring-loaded terminal (Spring-Type Connection)
- Size: S00
- IEC/UL Approved: Yes (Climate-proof and approved worldwide)
Benefit
- Fast & Reliable Wiring: Spring-loaded terminals provide a quick, permanent, and vibration-proof connection, reducing wiring errors and maintenance needs.
- High Performance in a Compact Design: The Size S00 footprint saves valuable space in control cabinets and panels.
- Global Compatibility: Approved for major international standards (IEC and UL/CSA), making it suitable for worldwide deployment.
- Integrated Auxiliary Contact: Comes standard with a 1 NC auxiliary contact built into the base unit, simplifying ordering and assembly.
- DC Coil Efficiency: The 48V DC coil offers reliable operation and is often used in systems requiring lower control voltage or battery backup.
- IE3/IE4 Ready: Optimized for use with modern, energy-efficient IE3 and IE4 motors.
For more Siemens SIRIUS products and other industrial components, visit the Turll online catalog today!













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