Siemens SIRIUS 3RT2047-3SF30 Power Contactor, 110A, 55kW, 3-Pole, 83-150V AC/DC Coil, S3 Size,Spring-Loaded/Screw Terminals Original Brand New

Overview

The Siemens SIRIUS 3RT2047-3SF30 is a high-performance, 3-pole power contactor designed for switching motors and other resistive loads up to $55\text{ kW}/110\text{ A}$ at $400\text{ V}$. Part of the trusted SIRIUS 3RT2 family, this device is engineered for maximum reliability and longevity in demanding industrial control applications. Its hybrid control system supports a wide control voltage range of $83-150\text{ V AC/DC}$ and includes an integrated varistor for surge protection, ensuring coil safety and minimizing downtime.

Key Specifications

• Product Number: 3RT2047-3SF30
• Contactor Type: Power Contactor (SIRIUS 3RT2)
• Application Category: AC-3e/AC-3 (Motor Switching)
• Rated Operating Current Ie​ (at $400\text{ V}$): $110\text{ A}$
• Rated Operating Power (at $400\text{ V}$): $55\text{ kW}$
• Number of Poles: 3-pole
• Control Supply Voltage Us​: $83-150\text{ V AC/DC}$ (Wide Voltage Range)
• Auxiliary Contacts: 1 NC (Normally Closed)
• Surge Protection: Integrated Varistor
• Size: S3
• Main Circuit Connection: Screw Terminal
• Control/Auxiliary Circuit Connection: Spring-Loaded Terminal (Push-in Technology)
• Special Feature: F-PLC-IN (Optimized for fast PLC communication)

Benefits & Features

• High Performance: Capable of handling motors up to $55\text{ kW}$, suitable for heavy-duty industrial machinery.
• Reliable Protection: Integrated varistor provides effective overvoltage damping, protecting the coil and extending the contactor’s lifespan.
• Flexible Control: Wide-range $83-150\text{ V AC/DC}$ coil voltage simplifies inventory and is highly adaptable to various control power systems.
• Dual Connection Technology: Main circuit utilizes robust screw terminals, while the control and auxiliary circuits feature time-saving spring-loaded terminals (also known as push-in terminals), ensuring fast, secure, and vibration-proof wiring for the critical control system.
• Space-Saving Design: Compact Size S3 design for efficient panel installation.
• F-PLC-IN Functionality: Optimized for direct connection to safe PLCs, enhancing system safety and integration speed.

Applications

The Siemens 3RT2047-3SF30 contactor is ideal for a wide range of motor control applications across various industries, including:

• Starting and stopping 3-phase AC motors (pumps, fans, compressors, conveyors).
• General power switching of resistive loads.
• Integration into complex automation systems and safety circuits (due to F-PLC-IN feature).
• Use in motor starter combinations, including fused load feeders.

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