3RT1066-6NB36

Description

Overview

The Siemens 3RT1066-6NB36 is a robust power contactor designed for heavy-duty industrial automation and control systems. Engineered for AC-3e/AC-3 applications, it supports currents up to 300 A and power up to 160 kW at 400 V. Its compact 3-pole design and integrated 24 V DC PLC input make it ideal for precise motor control and automation setups. Equipped with auxiliary contacts (2 NO + 2 NC) and a combination of busbar main circuit and screw terminal control circuits, it ensures flexible and reliable operation in demanding environments.

Key Features & Function

• Rated Operational Current: AC-3e/AC-3 300 A

• Rated Power: 160 kW at 400 V AC

• Control Voltage: AC (50–60 Hz) / DC Uc: 21–27.3 V

• PLC Compatibility: 24 V DC input

• Poles: 3-pole main circuit

• Auxiliary Contacts: 2 NO + 2 NC for expanded control options

• Drive Type: Electronic for precise switching

• Main Circuit Connection: Busbar

• Control & Auxiliary Circuit: Screw terminals for secure connections

Benefit

• Ensures high operational reliability in industrial environments.

• Supports heavy-duty motor and load control applications.

• Energy-efficient and precise switching thanks to electronic drive.

• Flexible installation with busbar and screw terminal options.

• Expandable control options with auxiliary contacts.

Application

• Industrial motor control and automation systems

• Heavy-duty electrical distribution panels

• PLC-controlled industrial machinery

• Manufacturing and process automation systems

For more of our high-quality industrial automation products, including the full SIRIUS range, visit turll today!