Overview
The Siemens 3RT2025-2AL24 Power Contactor is a high-performance switching device from the trusted SIRIUS 3RT2 series, designed for reliably switching motors and other resistive loads. It features a compact Size S0 design and is rated for at operation, delivering at .
The contactor is equipped with a AC control coil and utilizes spring-loaded terminals for fast, vibration-proof, and maintenance-free wiring. Its robust design is ready and globally approved, making it an ideal choice for industrial automation and motor control applications.
Benefit
- Reduced Wiring Time: The innovative spring-loaded terminal technology allows for quick, tool-free, and secure wiring, significantly reducing installation time and costs.
- High Reliability: The spring-loaded connection offers superior resistance to vibration, ensuring a permanent and reliable connection in harsh industrial environments.
- Comprehensive Control: Integrated and removable auxiliary switch block provides contacts for seamless integration into control circuits and signaling.
- Space-Saving Design: The compact Size S0 form factor delivers high performance while minimizing panel space required in control cabinets.
- Future-Proof: Fully compatible with high-efficiency IE3 and IE4 motors.
Function
The Siemens 3RT2025-2AL24 functions as a primary switch in a motor or load circuit. When the control coil is energized, it closes the three main power contacts, allowing current (up to ) to flow to the connected load (e.g., an electric motor). Simultaneously, the auxiliary contacts switch state ( close, open), providing feedback or interlocking functions for the control system. Its rating ensures extended suitability for modern motor control and high-efficiency applications.
Application
- Switching 3-phase AC motors (up to )
- Control of resistive loads
- Use in machinery, HVAC systems, and conveyor systems
- Industrial automation and control panels
For technical documentation, pricing, or to explore compatible Siemens SIRIUS components, contact our team or visit the Turll industrial automation catalog.












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