Overview
The Siemens 3RT2017-1BE42 Power Contactor from the SIRIUS 3RT2 series is a compact and high-performance switching device designed for efficient motor and load control in industrial automation and low-voltage switchgear applications. As the modern successor to the proven 3RT1 series, this contactor offers reliable performance, excellent contact reliability, and easy integration into the SIRIUS modular system.
Benefits & Features
- Compact Design (Size S00): Maximizes panel space efficiency without compromising performance.
- High Performance: Capable of switching motors up to at (AC-3 rating).
- DC Coil Control: Operates reliably with a control supply, common in industrial control systems.
- Integrated Auxiliary Contact: Includes one normally closed (1 NC) auxiliary contact in the base unit for interlocking, signaling, and control circuit needs, simplifying wiring.
- Robust Connection: Secure and durable screw terminals for main and auxiliary circuits.
- Global Compliance: Meets stringent international standards, including IEC and UL/CSA.
- Seamless System Integration: Part of the comprehensive Siemens SIRIUS modular system, ensuring easy combination with overload relays (like SIRIUS 3RU2/3RB3) and other accessories.
Function
The 3RT2017-1BE42 power contactor is primarily used for:
- Switching Motors: Controlling the on/off state of 3-phase AC motors (AC-3/AC-3e duty).
- Switching Resistive Loads: Controlling non-inductive or slightly inductive loads (AC-1 duty).
- Remote Control: Allowing control signals from PLCs, relays, or switches to safely energize and de-energize high-power loads.
- Integration into Motor Starters: Forming Direct-On-Line (DOL) starters when combined with an appropriate overload relay.
Application
This versatile contactor is essential for various low-voltage industrial control and motor feeder applications, including:
- Machine Tools
- Pumps, Fans, and Conveyors
- HVAC and Refrigeration Systems
- Material Handling Equipment
- General Industrial Control Panels and Switchgear
For more information on the Siemens 3RT2017-1BE42 contactor and to explore our full range of industrial control products, visit Turll today!













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