Overview
The Siemens 3RT2015-2CP04-3MA0 is a high-performance SIRIUS 3RT2 power contactor designed for switching motors and general electrical loads. As a key component in the SIRIUS modular system, it offers a compact design, exceptional reliability, and seamless integration into motor feeder solutions. This specific model, rated for 7 A and 3 kW at 400 V (AC-3/AC-3e), is configured with a 230 V AC control coil and incorporates a built-in varistor to suppress opening surges, protecting the control circuit.
A standout feature is the reliable spring-loaded terminal technology, which ensures fast, maintenance-free, and vibration-proof wiring, significantly reducing installation time and increasing operational dependability.
Benefits & Advantages
- Fast and Reliable Wiring: Spring-loaded terminals allow for quick, tool-free wiring, providing a secure, vibration-proof connection essential in industrial environments.
- Compact Design (Size S00): Optimizes cabinet space, allowing for higher density installations without compromising performance.
- Enhanced Coil Protection: The integrated varistor protects the control circuit from voltage spikes when the contactor is switched off, prolonging the life of the coil and associated electronics.
- Integrated Safety Functionality: The captive auxiliary switch (2 NO + 2 NC) is ideal for applications requiring high safety standards (e.g., SUVA-certified systems) by ensuring the main contact state is accurately monitored.
- Global Standard Compliance: Approved for worldwide use (IEC, UL/CSA, CCC), making it suitable for international machinery and systems.
- IE3/IE4-Ready: Fully compatible with high-efficiency IE3 and IE4 motors.
Function and Application
The 3RT2015-2CP04-3MA0 functions primarily as a power contactor for switching motors (Direct On Line/DOL starters) or general resistive loads in control systems.
- Function: Electrically switches the main power circuit of a load (e.g., motor, heating element, lighting) based on a signal from the control circuit (230 V AC).
- Typical Applications:
- Switching 3-phase AC motors up to 3 kW / 7 A.
- Heating and ventilation systems control.
- Industrial machine control panels.
- Integration into complex modular SIRIUS motor starters and load feeders.
For more information on the Siemens SIRIUS 3RT2 series and other industrial control products, visit Turll today!













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