Siemens 3RT1066-2AD36 Power Contactor, 300A, 160kW, 42-48V AC/DC Coil Original Brand New

Overview

The Siemens 3RT1066-2AD36 is a robust, high-performance SIRIUS 3RT Power Contactor designed for switching motors up to 160 kW at $400\text{V}$ (AC-3 duty). Part of the trusted Siemens SIRIUS modular system, this $3\text{-pole}$ contactor is rated for $300\text{A}$ and features a versatile AC/DC wide-voltage coil with a control range of $42\text{–}48\text{V}$. Its reliable design incorporates $2\text{ NO}+2\text{ NC}$ auxiliary contacts and combines busbar connections for the main circuit with spring-loaded terminals for the control and auxiliary circuits, ensuring fast, reliable, and vibration-proof wiring.

Key Benefit

• High Performance: Safely switches motors up to $160\text{kW}$ and handles a rated operational current of $300\text{A}$ (AC-3).
• Flexible Control: Equipped with a dual-use $42\text{–}48\text{V}$ AC/DC conventional coil, reducing inventory and simplifying coil selection.
• Reliable Connections: Features robust busbar connection for the high-current main circuit and secure, time-saving spring-loaded terminals for control wiring.
• Enhanced Safety: Includes $2\text{ NO}+2\text{ NC}$ integrated auxiliary contacts for reliable signaling and interlocking.
• Compact & Modular: Size S10 in the SIRIUS line, designed for seamless integration with SIRIUS overload relays and accessories.
• Global Standards: Conforms to key international standards including IEC 60947.

Application

The Siemens 3RT1066-2AD36 contactor is ideal for heavy-duty industrial applications requiring reliable switching of high-power three-phase loads, including:

• Starting and stopping large industrial motors.
• Controlling high-wattage heating systems.
• Integration into complex motor control centers (MCCs).
• Use in machinery where vibration resistance is critical.

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