Siemens 3RT1066-6AR36 Power Contactor 300A, 160kW, AC/DC 440-480V, 3-Pole Original Brand New

Overview

The Siemens SIRIUS 3RT1066-6AR36 is a high-performance power contactor engineered for demanding industrial applications. This robust device is a critical component for controlling electric motors and other loads, offering exceptional reliability and a long service life. With a powerful 300 A rating for AC-3e/AC-3 and a 160 kW capacity at 400 V, it is suitable for a wide range of heavy-duty tasks.

Key Features & Benefit

• High Power Rating: The 300 A AC-3e/AC-3 and 160 kW (at 400V) rating makes it ideal for controlling large, powerful electric motors in industrial settings.
• Versatile Control: The contactor features a conventional AC (50-60 Hz) / DC drive with a wide control voltage range of Uc: 440-480 V, ensuring compatibility with various power systems.
• Robust Auxiliary Contacts: Equipped with 2 NO (Normally Open) + 2 NC (Normally Closed) auxiliary contacts, it provides flexible options for signaling, interlocking, and control circuit integration.
• Efficient Connections: The main circuit utilizes a busbar for secure and efficient power distribution, while the control and auxiliary circuits are equipped with reliable screw terminals for easy and dependable wiring.
• Durable Design: As part of the Siemens SIRIUS line, this contactor is built for durability and performance in harsh industrial environments. Its 3-pole design ensures reliable switching of three-phase loads.

Function

The Siemens 3RT1066-6AR36 power contactor is designed to perform the following functions:

• Motor Control: It serves as a remote-controlled switch to start, stop, and reverse electric motors.
• Load Switching: It reliably switches other high-current loads such as heating elements, lighting systems, and capacitors.
• Automation Integration: The auxiliary contacts allow for seamless integration into complex control systems, providing feedback on the contactor’s status.
• Safety Interlocking: The NC contacts can be used for safety interlocks, preventing simultaneous operation of conflicting components.

Application

This power contactor is an excellent choice for a variety of industrial applications, including:

• Heavy-duty motor control in manufacturing and automation.
• Pumps, fans, and conveyor systems.
• HVAC and refrigeration systems.
• Industrial machinery and equipment.
• Power distribution and load management systems.

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