Siemens 3RT1066-2AF36 SIRIUS Power Contactor 300A, 160kW, AC/DC 110-127V, Busbar/Spring-Loaded Terminals Original Brand New

Overview

The Siemens 3RT1066-2AF36 SIRIUS Power Contactor is a high-performance, robust, and reliable solution for switching and controlling high-power loads in industrial applications. Designed for AC-3e/AC-3 operation, this 3-pole contactor handles a substantial current of up to 300 A and a power rating of 160 kW at 400 V. Its versatile AC/DC control voltage range of 110-127 V and conventional drive make it suitable for a wide range of control circuits.

The integrated 2 NO + 2 NC auxiliary contacts provide enhanced flexibility for monitoring and interlocking functions. Featuring a main circuit with busbar connection and control/auxiliary circuits with spring-loaded terminals, this contactor ensures secure and efficient installation, reducing wiring time and maintenance.

Benefit

• High Performance: Capable of handling significant loads (300 A, 160 kW), making it ideal for demanding industrial applications.
• Versatile Control: The wide AC (50-60 Hz) / DC control voltage range (110-127 V) offers flexibility and compatibility with various control systems.
• Enhanced Reliability: Built to the highest Siemens standards, ensuring long-term operational reliability and a long service life.
• Efficient Installation: The combination of busbar for the main circuit and spring-loaded terminals for control/auxiliary circuits simplifies wiring, saves time, and provides a vibration-proof connection.
• Space-Saving Design: Part of the compact SIRIUS line, this contactor offers a high power-to-size ratio, optimizing panel space.
• Comprehensive Features: Includes 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts for flexible control and feedback loops.

Function

• Motor Control: Directly switches three-phase motors in various applications such as pumps, compressors, and conveyors.
• Resistive Load Switching: Controls high-power resistive loads like heaters and furnaces.
• Interfacing: Serves as a key component in automated control systems, connecting high-power circuits to low-voltage control circuits.
• Safety and Interlocking: The built-in auxiliary contacts can be used for safety interlocking, status indication, and feedback to a PLC or control system.

Technical Specification

• Product Number: 3RT1066-2AF36
• Product Type: Power Contactor
• Series: Siemens SIRIUS 3RT
• Operating Current (AC-3e/AC-3): 300 A
• Rated Power (AC-3e/AC-3): 160 kW at 400 V
• Control Voltage (Uc): 110-127 V (AC 50-60 Hz / DC)
• Number of Poles: 3-pole
• Auxiliary Contacts: 2 NO + 2 NC
• Main Circuit Connection: Busbar
• Control/Auxiliary Circuit Connection: Spring-loaded terminal
• Drive Type: Conventional

Application

• Industrial automation
• Machine building
• HVAC systems
• Pump stations
• Conveyor systems
• Heavy machinery and equipment

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