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Siemens 3RK1323-6BS74-3AA3 ECOFAST Motor Starter

Siemens 3RK1323-6BS74-3AA3 ECOFAST AS-Interface Motor Starter.

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ManufacturerSiemens

Part number3RK1323-6BS74-3AA3

Type ECOFAST Motor Starter

Interface AS-Interface

Motor Power Up to 1.1 kW @ 400 V

Overload Protection Electronic/Thermal

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12-month warranty

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CAGE: 9NK75

AS-Interface connectivity Electronic and thermal overload protection Integrated break contact 4 digital inputs Touch protection For motors up to 1.1 kW

Product description

The Siemens 3RK1323-6BS74-3AA3 is an ECOFAST motor starter featuring AS-Interface connectivity. It provides electronic and thermal overload protection for three-phase motors up to 1.1 kW at 400 V. This unit includes a break contact (AC 400 V/0.75 A) and 4 digital inputs (24 V DC). It utilizes Han Q4/2 - Han 10E connections with touch protection.

This motor starter is designed for direct on-line starting and protection of motors in automated systems. Its AS-Interface compatibility allows for simplified wiring and reduced installation costs in distributed control architectures.

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Technical specifications

Type	ECOFAST Motor Starter
Interface	AS-Interface
Motor Power	Up to 1.1 kW @ 400 V
Overload Protection	Electronic/Thermal
Break Contact	AC 400 V/0.75 A
Digital Inputs	4x 24 V DC
Connection	Han Q4/2 - Han 10E

Common applications

Motor Control Panels

Industrial Automation

Machine Building

Conveyor Systems

Pump Stations

Fan Control

Compatible systems

AS-Interface network

Also known as

Siemens ECOFAST Starter

Replaces / compatible with

This ECOFAST motor starter is part of a line of intelligent motor control devices. It can replace older or simpler motor starter configurations where AS-Interface is utilized.

Technical note

Expert tip

Ensure proper AS-Interface network configuration and termination for reliable communication and operation of this motor starter.

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Frequently asked questions

What is the maximum motor power supported by the Siemens 3RK1323-6BS74-3AA3?

The Siemens 3RK1323-6BS74-3AA3 motor starter is designed to protect and control three-phase motors with a power rating of up to 1.1 kW at 400 V.