Siemens 3RT1056-6AU36 Power Contactor 185A, 90kW, 240-277V AC/DC Control, Busbar Connection Original Brand New

Overview

The Siemens 3RT1056-6AU36 is a high-performance 3-pole power contactor engineered for demanding industrial applications. With a robust AC-3e/AC-3 rating of 185A and 90 kW at 400 V, this contactor is ideal for controlling and switching high-power electrical loads.

Its versatile 240-277V AC/DC control voltage and conventional drive system provide seamless integration into various control circuits. The unit features convenient busbar connections for the main circuit and reliable screw terminals for the control and auxiliary circuits, ensuring easy and secure installation.

Key Features & Benefit

• High Current & Power Rating: Handles up to 185A and 90 kW, suitable for heavy-duty motor control and other high-power applications.
• Versatile Control Voltage: Operates with a wide 240-277V AC/DC control voltage range, offering flexibility and compatibility with different power systems.
• Integrated Auxiliary Contacts: Includes 2 Normally Open (NO) and 2 Normally Closed (NC) auxiliary contacts, providing built-in signaling and control functionality for complex automation systems.
• Efficient Main Circuit Connection: Busbar connection simplifies wiring, reduces installation time, and provides a secure, low-resistance connection for high currents.
• Durable & Reliable: Built with Siemens' renowned quality, ensuring long-lasting performance and reliability in harsh industrial environments.
• Easy Installation: Screw terminals for the control and auxiliary circuits allow for straightforward and secure wiring.

Function

The Siemens 3RT1056-6AU36 power contactor is primarily used for:

• Motor Switching: Efficiently starting and stopping electric motors in various industrial machinery.
• Load Control: Switching high-current loads such as heating elements, lighting systems, and capacitors.
• Automation Systems: Acting as a core component in industrial automation and control panels to manage power flow.
• Safety Interlocking: Providing a reliable method for interrupting power to prevent equipment damage or ensure operator safety.

Technical Specification

• Product Type: Power Contactor
• Model: 3RT1056-6AU36
• Poles: 3-pole
• Current Rating (AC-3e/AC-3): 185 A
• Power Rating (AC-3): 90 kW at 400 V
• Control Voltage (Uc): 240-277 V AC (50-60 Hz) / DC
• Auxiliary Contacts: 2 NO + 2 NC
• Drive: Conventional
• Main Circuit Connection: Busbar
• Control & Auxiliary Circuit Connection: Screw Terminal

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