Overview
The Siemens 3RT2016-2KA42 is a high-performance SIRIUS series power contactor designed for reliable and efficient switching of motors and resistive loads. This compact and robust device, with a frame size of S00, is engineered to meet the demands of modern industrial automation. Featuring a 12 V DC operating voltage and an integrated suppressor diode, it offers a coil control range of 0.7-1.25* Uc, making it highly suitable for direct integration with PLC outputs. The spring-loaded terminals ensure fast, reliable, and vibration-proof connections, reducing installation time and maintenance needs. With a single normally closed (NC) auxiliary contact, this contactor provides essential feedback for control systems.
Key Benefit
- Optimized for PLC Integration: The low-voltage 12 V DC coil with a wide control range and integrated suppressor diode is specifically designed to work seamlessly with PLC outputs, protecting sensitive electronics from voltage peaks.
- Space-Saving Design: The compact S00 frame size allows for high-density mounting in control cabinets, maximizing panel space and reducing overall equipment footprint.
- Reliable Performance: Rated for AC-3e/AC-3 applications up to 9 A and 4 kW at 400 V, it ensures dependable operation and long service life for motor control and switching applications.
- Fast & Secure Connections: Spring-loaded terminals provide a quick, tool-free wiring solution that is highly resistant to vibration, ensuring a stable connection even in harsh industrial environments.
- Enhanced Reliability: The integrated suppressor diode protects the control circuit from inductive voltage spikes, prolonging the life of the PLC outputs and the contactor coil.
Technical Specifications & Function
- Product Number: 3RT2016-2KA42
- Series: Siemens SIRIUS 3RT2
- Application: Power contactor, suitable for switching motors and resistive loads
- Current Rating: 9 A (AC-3e/AC-3)
- Power Rating: 4 kW at 400 V (AC-3e/AC-3)
- Poles: 3-pole
- Coil Voltage: 12 V DC
- Coil Operating Range: 0.7 to 1.25 * Uc (Control Supply Voltage)
- Suppressor: Integrated suppressor diode
- Auxiliary Contacts: 1 NC (Normally Closed)
- Terminals: Spring-loaded terminals
- Frame Size: S00
- Compatibility: Optimized for PLC outputs
- Limitations: No auxiliary switch can be added
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