3RT1075-6AD36

Description

Overview

The Siemens 3RT1075-6AD36 Power Contactor is a high-performance, reliable switching device engineered for demanding industrial applications. Designed for use in AC-3e/AC-3 circuits, this 3-pole contactor ensures efficient control of electric motors and power distribution systems up to 200 kW at 400 V AC. Its durable design and robust construction guarantee long-lasting performance in heavy-duty operations.

With a control voltage of 42–48 V DC and auxiliary contacts (2 NO + 2 NC), the Siemens 3RT1075-6AD36 offers excellent flexibility for system integration, ensuring reliable switching and control in a wide range of electrical systems.

Features:

• Rated Operational Current: 400 A (AC-3/AC-3e)

• Power Rating: 200 kW / 400 V AC (50–60 Hz)

• Coil Voltage (Uc): 42–48 V DC

• Configuration: 3-pole main circuit

• Auxiliary Contacts: 2 Normally Open (NO) + 2 Normally Closed (NC)

• Drive Type: Conventional

• Main Circuit Connection: Busbar

• Control & Auxiliary Circuit: Screw terminal

Benefit

• High reliability for continuous industrial operations

• Energy-efficient design reduces heat generation and power loss

• Easy installation with busbar and screw terminal connections

• Compact and robust build for space-saving in control panels

• Versatile compatibility for various automation and control systems

Function & Application

The Siemens 3RT1075-6AD36 is designed for motor control, switching, and power distribution in industrial automation systems. It is suitable for use in:

• Motor starters and control panels

• HVAC systems

• Conveyor and production lines

• Pump and compressor control

• Industrial machinery requiring reliable switching

Its AC-3e/AC-3 rating ensures optimal performance when switching inductive loads such as motors and transformers.

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