Siemens 3RT2046-1AU00 SIRIUS 3RT2 Power Contactor, 95A, 45kW, 240V AC Coil, Size S3 Original Brand New

Overview 

The Siemens 3RT2046-1AU00 is a high-performance SIRIUS 3RT2 power contactor designed for switching motors up to 45 kW at $400\text{ V}$ and resistive loads in demanding industrial applications. As part of the SIRIUS modular system, this robust 3-pole contactor is engineered for exceptional reliability and a long mechanical service life.

Key specifications include a $95\text{ A}$ operational current (AC-3e/AC-3), a $240\text{ V AC}$, $50\text{ Hz}$ control supply voltage, and one integrated auxiliary contact block (1 NO + 1 NC). The Size S3 design, featuring secure screw terminals, ensures straightforward installation and wiring in control panels and motor control centers.

Key Benefit

• Optimized Performance: Rated for $95\text{ A}$ (AC-3e/AC-3) and $45\text{ kW}$, ensuring reliable motor and load switching for heavy-duty industrial machinery.
• Space-Saving Design: The compact Size S3 footprint allows for efficient use of space within control cabinets, simplifying panel design.
• Global Compatibility: Part of the widely trusted Siemens SIRIUS modular system, guaranteeing compatibility and availability of accessories.
• Enhanced Control: Integrated $1\text{ NO}$ and $1\text{ NC}$ auxiliary contacts provide immediate feedback for monitoring and control circuits.
• Secure & Simple Wiring: Robust screw terminals are standard, offering a reliable and easy-to-terminate connection for power and control wiring.

Function and Application

The Siemens 3RT2046-1AU00 power contactor is a crucial component in industrial automation and power distribution, primarily used for:

• Motor Control: Switching 3-phase AC motors (up to $45\text{ kW}$) in applications such as pumps, fans, compressors, and conveyors.
• Resistive Load Switching: Controlling lighting circuits, heating elements, and other non-motor loads.
• Integration: Designed for seamless integration with SIRIUS overload relays and accessories to create complete load feeders.
• Industrial Machinery: Used extensively in machine tools, manufacturing lines, and process control systems.

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