Siemens 3RT1056-2NF36 Power Contactor 185A, 90kW, 96-127V AC/DC, Spring-Loaded Terminals Original Brand New

Overview

The Siemens 3RT1056-2NF36 is a high-performance power contactor designed for robust and efficient motor control in industrial environments. Engineered for demanding applications, this 3-pole contactor boasts a powerful AC-3e/AC-3 rating of 185 A and can handle up to 90 kW at 400 V. Its versatile AC (50-60 Hz) / DC operation with a wide control supply voltage (Uc​) of 96-127 V makes it suitable for a broad range of systems. The integrated PLC input ($24VDC$) allows for seamless integration with modern control systems, enhancing automation and precision.

Benefit

• High Performance: With an impressive 185 A rating, this contactor is built to handle heavy-duty motor loads, ensuring stable and reliable performance.
• Versatile Power Supply: Operates on both AC (50-60 Hz) and DC power, offering flexibility in different electrical setups.
• PLC Integration: The dedicated 24 V DC PLC input simplifies automation, enabling precise control and monitoring within your system.
• Efficient and Reliable: The electronic drive mechanism ensures fast and dependable switching, reducing wear and tear.
• Easy Installation: Features a busbar for the main circuit connections and innovative spring-loaded terminals for the control and auxiliary circuits, making wiring quick, secure, and tool-free.
• Space-Saving Design: Its compact and robust design allows for efficient use of space within control cabinets.

Function

• Motor Switching: Capable of making and breaking circuits under load, making it ideal for starting, stopping, and reversing motors.
• Circuit Protection: Acts as a key component in overload and short-circuit protection schemes when combined with appropriate protection devices.
• Remote Control: The electronic drive and PLC input allow for remote operation and integration into automated control systems.
• Auxiliary Signaling: Equipped with 2 NO (Normally Open) and 2 NC (Normally Closed) auxiliary contacts, providing status feedback to a control system.

Technical Specification

• Product Number: Siemens 3RT1056-2NF36
• Rated Current (AC-3e/AC-3): 185 A
• Rated Power (AC-3): 90 kW @ 400 V
• Control Supply Voltage (Uc​): 96-127 V AC (50/60 Hz) / DC
• PLC Input: 24 V DC
• Number of Poles: 3
• Auxiliary Contacts: 2 NO + 2 NC
• Drive: Electronic
• Main Circuit Connection: Busbar
• Control/Auxiliary Circuit Connection: Spring-loaded terminal

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