Overview
The Siemens 3RT2025-2BP40 is a high-performance SIRIUS 3RT2 power contactor designed for reliable switching of motors and other loads up to 7.5 kW at 400 V. This 3-pole contactor in the compact Size S0 is engineered for demanding industrial applications. It features a robust 230 V DC coil and utilizes spring-loaded terminals, ensuring fast, vibration-proof, and maintenance-free wiring, significantly reducing installation time.
Benefits & Advantages
- Fast & Secure Wiring: The innovative spring-loaded terminal technology offers a quick, secure, and permanent connection, eliminating the need for periodic re-tightening associated with screw terminals.
- Energy Efficiency: Optimized coil design (DC) ensures lower holding power and reduced energy consumption compared to standard AC coils.
- Space-Saving Design: Its compact Size S0 footprint allows for higher component density within control cabinets.
- High Reliability: Part of the trusted Siemens SIRIUS modular system, guaranteeing long service life and high operational safety.
- Flexible Integration: Includes pre-installed 1 NO + 1 NC auxiliary contacts for seamless integration into control circuits and signaling applications.
Function & Application
The Siemens 3RT2025-2BP40 contactor is primarily used for:
- Switching 3-Phase Motors: Ideal for starting, stopping, and reversing three-phase induction motors (AC-3/AC-3e duty).
- Resistive Loads: Suitable for switching heating elements and other resistive loads (AC-1 duty).
- Industrial Automation: Core component in PLC-controlled systems, machine tools, material handling, and pump/fan control.
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