Siemens SIRIUS 3RT2025-2CL24-3MA0 Power Contactor, 17A, 7.5kW, 230V AC Coil, Size S0, Spring-Loaded Terminal, 2NO+2NC, Varistor Original Brand New

Overview

The Siemens 3RT2025-2CL24-3MA0 is a high-performance, 3-pole power contactor from the trusted SIRIUS 3RT2 family, specifically engineered for switching motors and other loads up to $7.5\text{ kW}/400\text{ V}$ (AC-3e/AC-3). This size S0 contactor is a compact and reliable component for any industrial control panel, featuring a $230\text{ V AC}$ control voltage coil for easy integration into standard systems. Its pre-installed $2\text{ NO}+2\text{ NC}$ auxiliary contacts and captive auxiliary switch make it an ideal choice for safety-related and monitoring applications.

Benefit

1. Reliable Surge Protection: The plugged-in varistor provides crucial surge suppression for the $230\text{ V AC}$ coil, significantly extending the contactor’s service life and protecting sensitive control system components from voltage peaks.
2. Fast & Secure Wiring: Utilize the innovative spring-loaded terminal technology for quick, vibration-proof, and maintenance-free connections. This dramatically reduces installation time compared to traditional screw terminals.
3. Space-Saving Design: As a size S0 contactor, it offers high performance in a compact footprint, optimizing space within the control cabinet.
4. Integrated Safety: The captive auxiliary switch block with $2\text{ NO}+2\text{ NC}$ contacts is permanently mounted, making it suitable for safety applications (e.g., SUVA) and ensuring reliable feedback and interlocking circuits without the need for separate accessory mounting.
5. Global Standard Compliance: Part of the globally recognized SIRIUS modular system, ensuring compliance with standards like IEC and UL/CSA for worldwide deployment.

Function & Application

The Siemens 3RT2025-2CL24-3MA0 is primarily designed as a robust motor contactor for standard applications in machine building and plant engineering. It is perfectly suited for controlling 3-phase AC motors up to $7.5\text{ kW}$ in Direct On-Line (DOL) starters and various load feeders. The high-quality contact material and integrated coil protection ensure reliable switching operations and a long mechanical service life.

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