3RT2045-3AL20-1AA0

Description

Overview

The Siemens 3RT2045-3AL20-1AA0 is a premium power contactor designed for reliable operation in industrial and commercial electrical applications. With a 3-pole configuration and AC-3e/AC-3 rating, it is suitable for switching motors up to 37 kW at 400 V. The contactor features durable screw terminals for the main circuit and convenient spring-loaded terminals for control and auxiliary circuits, ensuring secure and efficient installation. Its compact size S3 and upright mounting position allow flexible integration into control panels.

Key Benefit

• Reliable Performance: Supports high motor loads up to 37 kW / 400 V.

• Versatile Installation: Compatible with upright mounting positions in size S3 control panels.

• Durable Design: Screw terminals for main circuit and spring-loaded terminals for auxiliary circuits ensure longevity and safety.

• Enhanced Control: Equipped with 1 NO + 1 NC auxiliary contacts for flexible control options.

• High Efficiency: AC-3e/AC-3 rating guarantees optimal motor switching performance.

Function

• Switching three-phase AC motors in industrial applications

• Providing auxiliary contact signals for control circuits

• Safe and reliable integration into automation systems

Technical Specification

• Type: Power Contactor

• Rated Current: 80 A

• Rated Power: 37 kW / 400 V

• Poles: 3

• Control Voltage: 230 V AC, 50/60 Hz

• Auxiliary Contacts: 1 NO + 1 NC

• Main Circuit Terminals: Screw terminals

• Control & Auxiliary Circuit Terminals: Spring-loaded terminals

• Size: S3

• Mounting Position: Upright

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