Siemens 3RT2625-1NP35 Capacitor Contactor 16.7 kVAr, 400V, AC/DC Coil Original Brand New

Overview

The Siemens 3RT2625-1NP35 is a high-performance capacitor contactor specifically engineered for switching capacitive loads in reactive power compensation systems. As part of the SIRIUS 3RT26 series, this device is a special version of the 3RT2 contactor, designed to handle AC-6b loads up to 100 kVAR at 400 V. Its primary function is to efficiently switch capacitors while minimizing the impact of high inrush currents on the power supply.

This model, with its size S0 frame, features a robust design that includes integrated precharging resistors. These resistors are engaged via leading auxiliary contacts, which close just before the main contacts. This crucial mechanism limits the peak charging current of the capacitors, protecting both the contactor and the electrical network from damaging current spikes.

The 3RT2625-1NP35 is an ideal solution for reliable and long-lasting operation in various industrial applications, including switching choked or unchoked capacitors and converters.

Key Features & Benefits

• Optimized for Capacitive Loads: Specifically designed for AC-6b switching, ensuring safe and efficient operation with capacitive loads.
• Integrated Precharging Resistors: Leading auxiliary contacts activate precharging resistors to limit inrush currents, preventing network disturbances and prolonging equipment life.
• Wide Control Voltage Range: The 200-280 V AC/DC control coil with integrated varistor offers flexibility and protection against overvoltage surges.
• Enhanced Safety: Equipped with 1 NO + 2 NC auxiliary contacts and a screw terminal for secure and reliable wiring.
• Compact & Efficient: The size S0 design provides a space-saving solution without compromising performance.
• Compliance with Global Standards: Meets rigorous standards including IEC 60947-1, IEC 60947-4-1, IEC 60831-1, and more, guaranteeing quality and reliability.

Protection and Configuration

The Siemens 3RT2625-1NP35 requires appropriate protection against short circuits and overloads. For detailed information on protecting main and auxiliary connections, refer to the technical product data sheet and configuration manuals for load feeders. The integrated varistor provides overvoltage protection for the control coil, with options for further damping using accessory surge suppressors if needed. This device is designed for easy integration and can be expanded with additional auxiliary switches as required.

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