Siemens 3RT1066-2AT36 Power Contactor 3-Pole, 300A, 160kW / 400V Original Brand New

Overview

The Siemens 3RT1066-2AT36 is a high-performance 3-pole power contactor designed for industrial and commercial electrical applications. With an AC-3e/AC-3 rating of 300 A and a capacity of 160 kW at 400 V, it ensures reliable switching and operation under heavy load conditions. Featuring 2 NO + 2 NC auxiliary contacts and a conventional drive, this contactor provides precise control over your electrical circuits. Its robust construction includes busbar main circuit connectivity and spring-loaded terminals for control and auxiliary circuits, ensuring safety, durability, and efficiency.

Key Features

• Rated Current & Power: AC-3e/AC-3, 300 A, 160 kW / 400 V

• Voltage Compatibility: AC (50-60 Hz) / DC Uc: 575–600 V

• Poles: 3-pole main contacts

• Auxiliary Contacts: 2 NO + 2 NC for versatile control applications

• Drive Type: Conventional mechanical drive

• Main Circuit Connection: Busbar for easy integration

• Control & Auxiliary Circuit: Spring-loaded terminals for secure connections

• Durability: Designed for high-performance switching in industrial environments

Benefit

• Ensures reliable operation in heavy-load industrial setups

• Reduces maintenance with durable spring-loaded terminals

• Flexible installation with busbar main circuit compatibility

• Enhanced control with 2 NO + 2 NC auxiliary contacts

• Supports AC and DC systems for versatile applications

Application and Function

The Siemens 3RT1066-2AT36 functions as the primary switching device in a motor starter or power distribution system. It is ideal for:

1. Switching high-power motors in pumps, fans, compressors, and conveyors.

2. Controlling resistive loads like heating elements.

3. Use in motor feeder applications up to 160kW.

Its conventional drive and robust construction make it a cornerstone component for reliable machine and plant operation.

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