Siemens 3RT1466-6NF36 Power Contactor AC-1, 400A, 3-Pole, 96–127V AC/DC Coil, 2NO+2NC Original Brand New

Overview

The Siemens 3RT1466-6NF36 is a high-performance industrial power contactor designed for demanding AC-1 applications up to 400 A, ensuring reliable switching and long-term operational safety. Engineered with Siemens’ advanced contactor technology, it delivers efficient power control for motor systems, heating systems, and resistive loads. This 3-pole contactor supports 690 V operational voltage and operates reliably at temperatures up to 40°C, making it ideal for heavy-duty industrial environments.

Its integrated electronic drive and PLC-compatible 24 V DC input allow precise control, while the combination of 2 NO + 2 NC auxiliary contacts ensures flexible system integration. Equipped with a busbar main circuit connection and screw terminals in the control/auxiliary circuits, the 3RT1466-6NF36 offers straightforward installation, superior durability, and excellent electrical performance.

Benefit

• High Switching Capacity: Supports AC-1 applications up to 400 A, ideal for high-load electrical systems.

• Wide Control Voltage Range: Operates at 96–127 V AC (50/60 Hz) and DC, providing greater installation flexibility.

• PLC Compatible: Built-in 24 V DC PLC input enables seamless integration with automation systems.

• Enhanced Safety & Reliability: Features 2 NO + 2 NC auxiliary contacts for advanced monitoring and safety logic.

• Durable Construction: Built to Siemens’ industrial-grade standards for reliability in heavy-duty operations.

• Easy Installation: Main circuit busbar connection and screw terminals simplify integration into control panels.

Function

• Switching and controlling high-power AC loads

• Providing motor and system protection within industrial circuits

• Reliable switching of resistive loads in AC-1 duty

• Integration with PLC and automation systems via 24 V DC control input

• Auxiliary signal feedback using 2 NO + 2 NC contacts

Technical Summary

• Model: Siemens 3RT1466-6NF36

• Contactor Type: Power Contactor

• Application Category: AC-1

• Rated Current: 400 A

• Operational Voltage: 690 V

• Operating Temperature: Up to 40°C

• Poles: 3-pole

• Coil Voltage: 96–127 V AC / DC

• PLC Input: 24 V DC drive, electronic

• Auxiliary Contacts: 2 NO + 2 NC

• Main Circuit Connection: Busbar

• Control/Aux Circuit Connection: Screw terminals

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