3RT2446-1AL20

Description

Overview

The Siemens 3RT2446-1AL20 is a high-quality industrial contactor designed for reliable switching of power circuits in demanding applications. Engineered under the Siemens SIRIUS series, this 3-pole AC-1 contactor ensures long service life, stable operation, and superior electrical performance. With a rated operational current of 140 A, a voltage rating of 690 V, and a 230 V AC 50/60 Hz coil, it is ideal for controlling electrical loads in industrial automation, motor systems, and power distribution frameworks.

Built with durable box terminals for main circuits and screw terminals for control and auxiliary circuits, this contactor guarantees safe and efficient installation. The unit also includes 1 NO + 1 NC auxiliary contacts, making it suitable for a wide range of monitoring, signaling, and control applications.

Benefit

• High Reliability: Engineered to deliver consistent switching performance even in heavy-duty industrial environments.

• Long Service Life: Robust construction and high-quality materials enhance durability and longevity.

• Versatile Application: Suitable for motor control, automation systems, and electrical distribution.

• Easy Installation: Box terminals and screw terminals allow secure wiring and easy maintenance.

• Enhanced Safety: Auxiliary contacts (1 NO + 1 NC) enable flexible control and safety interlocking.

Function

• Switching of AC-1 loads up to 140 A

• Control of 3-phase power circuits up to 690 V

• Motor and automation system integration

• Auxiliary signaling and interlocking through 1 NO + 1 NC contacts

• Stable coil operation with 230 V AC (50/60 Hz)

Technical Specification

• Product Number: Siemens 3RT2446-1AL20

• Category: Industrial Contactor

• Current Rating: 140 A (AC-1)

• Voltage Rating: 690 V

• Coil Voltage: 230 V AC, 50/60 Hz

• Poles: 3-pole

• Auxiliary Contacts: 1 NO + 1 NC

• Main Circuit Terminal Type: Box terminal

• Control/Aux Terminal Type: Screw terminal

• Size: S3

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