Overview
The Siemens 3RT2025-1BE40 is a highly reliable 3-pole SIRIUS 3RT2 Power Contactor designed for switching motors in industrial applications. As part of the modular SIRIUS system, this Size S0 contactor offers convincing performance from a compact design with high contact reliability. It is rated for operation up to 17 A (AC-3e/AC-3) and 7.5 kW at 400 V. The unit is equipped with a 60 V DC operating coil and features integrated 1 Normally Open (NO) + 1 Normally Closed (NC) auxiliary contacts for control circuit integration. Connection to the main and auxiliary circuits is achieved via robust screw terminals. This model replaces the well-proven 3RT1 series.
Benefits & Functions
- High Performance in a Compact Design: The SIRIUS 3RT2 series maintains high current switching capacity within a space-saving Size S0 frame.
- Direct Control Integration: The integrated auxiliary contacts simplify wiring and reduce the need for separate components, streamlining panel design.
- Worldwide Usability: Approved for global use (e.g., IEC and UL/CSA), making it suitable for international machine builders and manufacturers.
- Optimized for Motor Switching: Specifically designed for switching motors up to , ensuring safe and reliable operation.
- Simple & Secure Wiring: Robust screw terminals ensure a secure electrical connection for both main and control circuits.
- Part of the Modular SIRIUS System: Ensures seamless compatibility with a comprehensive range of accessories like overload relays (e.g., 3RU2), auxiliary switches, and function modules.
Application
The 3RT2025-1BE40 power contactor is ideal for demanding industrial control applications, including:
- Switching 3-phase AC motors (direct-on-line starting)
- Controlling resistive loads
- Use in automation systems and control panels in harsh environments
- Integration into load feeders alongside motor circuit breakers and overload relays.
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