Siemens 3RT1456-6NF36 Power Contactor 275 A, 690 V, 3-Pole, PLC Input 24 V DC Original Brand New

Overview

The Siemens 3RT1456-6NF36 is a robust power contactor designed for industrial applications requiring high-current switching and precise control. Rated for AC-1 275 A at 690 V with a 3-pole configuration, this contactor ensures reliable performance even in demanding environments up to 40 °C. Its advanced PLC-compatible 24 V DC electronic drive input allows seamless integration into modern automation systems, while its auxiliary contacts (2 NO + 2 NC) enable flexible control circuit configurations.

Built with busbar-compatible main circuits and screw terminal control connections, this contactor combines safety, efficiency, and durability for optimal operation in any industrial setup.

Benefit

• High Current Capacity: Supports AC-1 275 A / 690 V operations for heavy-duty industrial applications.

• PLC Ready: 24 V DC electronic drive input ensures easy automation integration.

• Flexible Control: Equipped with 2 NO + 2 NC auxiliary contacts for versatile circuit configurations.

• Durable Construction: Robust screw terminal connections and busbar-compatible main circuit for long-lasting reliability.

• Temperature Resilience: Operates efficiently at ambient temperatures up to 40 °C.

Function

• Switching high-current AC loads up to 275 A

• Integration with PLCs via 24 V DC electronic drive

• Controlling auxiliary circuits using NO and NC contacts

• Ensuring secure and reliable power distribution through busbar connections

Technical Specification

• Product Number: 3RT1456-6NF36

• Rated Current: AC-1 275 A

• Rated Voltage: 690 V AC

• Poles: 3

• Operating Temperature: Up to 40 °C

• Coil Voltage: 96–127 V AC (50–60 Hz) / DC

• PLC Input: 24 V DC

• Auxiliary Contacts: 2 NO + 2 NC

• Main Circuit Connection: Busbar

• Control & Auxiliary Connection: Screw terminal

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