Siemens 3RT1456-6NP36 Power Contactor AC-1, 275A, 690V, 3-Pole, Electronic Drive, PLC Input 24 V DC Original Brand New

Overview

The Siemens 3RT1456-6NP36 is a high-performance 3-pole power contactor engineered for demanding industrial applications requiring reliable switching and long operational life. Designed for systems up to 275 A AC-1 and 690 V, this industrial-grade contactor delivers superior efficiency, robust durability, and advanced electronic control capabilities. Its wide operating coil range of 200–277 V AC (50/60 Hz) or DC, combined with PLC-compatible 24 V DC drive input, ensures seamless integration into modern automation environments.

Benefit

• High current handling capacity up to 275 A for heavy-duty AC-1 applications

• Wide voltage control range for flexible installation

• PLC-ready control input for modern automation systems

• Enhanced operational reliability with electronic drive technology

• Extended service life due to rugged Siemens engineering

• Safe and stable connections through screw terminals and busbar-ready main circuit

• Reduced maintenance needs thanks to durable auxiliary contacts (2 NO + 2 NC)

Features & Function

1. Powerful Switching Performance

• Rated for AC-1 275 A / 690 V ensuring dependable operation in industrial electrical systems.

2. Universal Coil Voltage

• Compatible with 200–277 V AC and 200–277 V DC, providing installation flexibility.

3. PLC-Compatible 24 V DC Drive

• Designed with an electronic drive input optimized for automation and control systems.

4. Reliable Auxiliary Contacts

• Equipped with 2 NO + 2 NC auxiliary contacts for versatile signaling and interlocking.

5. Robust Mechanical Construction

• Siemens’ durable build quality suitable for continuous, heavy-duty use at 40°C ambient temperature.

6. Easy & Secure Wiring

• Main circuit designed for busbar connections

• Control & auxiliary circuits use screw terminal technology for secure, vibration-resistant wiring

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