Overview
The Siemens 3RT7025-1AL25 is a high-performance SIRIUS 3RT series power contactor designed for reliable switching of three-phase motors and other loads. This robust and compact contactor is rated for AC-3 duty at 18A and 7.5kW at 400V, making it ideal for a wide range of industrial applications. Featuring a control voltage of 230V AC at 50/60Hz, it provides seamless integration into standard electrical control systems. The size S0 frame ensures a space-saving design, while the integrated 1 NO (Normally Open) and 1 NC (Normally Closed) auxiliary contacts offer enhanced flexibility for control circuits and status feedback. With its reliable screw terminals, the 3RT7025-1AL25 ensures secure and easy wiring, minimizing installation time and maximizing uptime.
Key Benefit
- Exceptional Reliability: Part of the trusted Siemens SIRIUS 3RT series, known for its long service life and high operational stability.
- Space-Saving Design: The compact size S0 footprint allows for high-density panel layouts, optimizing valuable cabinet space.
- Versatile Application: Suitable for a wide variety of AC-3 motor switching applications up to 7.5kW, as well as resistive loads.
- Integrated Auxiliary Contacts: The built-in 1 NO and 1 NC contacts simplify wiring for control and signaling functions, reducing the need for external components.
- Easy Installation: Screw terminals provide a secure and straightforward connection method, ensuring a fast and reliable setup.
- Global Compatibility: Designed to meet international standards, ensuring its suitability for projects worldwide.
Function & Features
- Type: Power Contactor
- Series: Siemens SIRIUS 3RT
- Product Number: 3RT7025-1AL25
- Rated Operational Current (Ie): 18A (at AC-3, 400V)
- Rated Power: 7.5 kW (at AC-3, 400V)
- Control Voltage (Uc): 230 V AC, 50/60 Hz
- Size: S0
- Auxiliary Contacts: 1 NO + 1 NC
- Terminal Type: Screw Terminals
- Mounting: DIN rail or screw mounting
- Certifications: IEC, UL, CSA, and more (refer to datasheet for full list)
- Application: Switching of three-phase asynchronous motors, resistive loads, and other AC loads.
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