Siemens 3RT1066-6NP36 Power Contactor, 300A, 160kW, AC/DC, Electronic Drive Original Brand New

Overview

The Siemens 3RT1066-6NP36 is a high-performance, robust power contactor designed for demanding industrial applications. As part of the SIRIUS 3RT1 series, this contactor is engineered for reliable and efficient switching of three-phase motors and other loads up to 160 kW at 400 V.

Its powerful 300 A rating (AC-3e/AC-3) and versatile AC/DC electronic drive with PLC input make it an ideal choice for modern automation systems. The design prioritizes ease of installation with busbar connections for the main circuit and convenient screw terminals for the control and auxiliary circuits.

Features & Specification

• Product Number: 3RT1066-6NP36
• Contactor Type: Power Contactor
• Operating Current (AC-3e/AC-3): 300 A
• Rated Power (AC-3e/AC-3): 160 kW at 400 V
• Number of Poles: 3-pole
• Auxiliary Contacts: 2 NO (Normally Open) + 2 NC (Normally Closed)
• Drive Type: Electronic, AC/DC
• Control Supply Voltage (Uc): 200-277 V (AC/DC)
• PLC Input: 24 V DC
• Main Circuit Connection: Busbar
• Control & Auxiliary Circuit Connection: Screw Terminal

Benefit

• High Performance: Capable of handling significant loads up to 300 A and 160 kW, making it suitable for large industrial motors.
• Versatile Control: The wide-range AC/DC electronic drive (200-277 V) and dedicated 24 V DC PLC input provide flexibility and seamless integration into a variety of control systems.
• Enhanced Reliability: The electronic drive ensures precise and reliable switching operations, minimizing wear and extending the product's lifespan.
• Flexible Connectivity: Busbar connections on the main circuit simplify high-current wiring, while screw terminals on the control and auxiliary circuits allow for standard, secure connections.
• Comprehensive Safety: The integrated 2 NO + 2 NC auxiliary contacts offer enhanced functionality for interlocking, status feedback, and safety circuits.

Function

The Siemens 3RT1066-6NP36 power contactor's primary function is to remotely and safely switch the main power circuit of high-power electrical loads, such as large electric motors, heating elements, and transformers. It serves as a crucial component in motor starters, control panels, and automation systems, providing a reliable on/off function controlled by a low-power signal from a PLC, push button, or other control device.

Application

• Industrial motor control
• Pump control systems
• Ventilation and HVAC systems
• Heavy-duty machinery
• Factory automation
• Power distribution circuits

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