3RT2446-6NB30

Description

Overview

The Siemens 3RT2446-6NB30 is a robust and reliable AC contactor designed for industrial and commercial applications. Engineered for durability and efficiency, this contactor can handle up to 140 A at 690 V and ensures stable operation in environments up to 40 °C. It features three poles, an integrated varistor for surge protection, and convenient auxiliary contacts (1 NO + 1 NC) for extended functionality.

Its design supports main circuits without box terminals and screw terminals for control and auxiliary circuits, making installation simple and adaptable. Compact and efficient, the size S3 contactor offers superior switching performance for a wide range of applications.

Benefit

• High current capacity: Handles up to 140 A at 690 V for heavy-duty applications.

• Reliable protection: Integrated varistor safeguards against voltage spikes.

• Versatile control: Includes auxiliary contacts (1 NO + 1 NC) for flexible circuit management.

• Durable design: Works efficiently at 40 °C, ensuring long-term reliability.

• Easy installation: Screw terminals for control and auxiliary circuits simplify wiring.

• Compact size: Space-saving S3 size fits into various panel setups.

Function

• Switching AC circuits in industrial applications.

• Providing surge protection through the integrated varistor.

• Facilitating auxiliary control via 1 NO + 1 NC contacts.

• Ensuring safe, reliable operation under high current and voltage conditions.

Technical Specification

• Type: AC-1 Contactor

• Current Rating: 140 A

• Voltage Rating: 690 V / 40 °C

• Poles: 3

• Coil Voltage: 20-33 V AC/DC, 50/60 Hz

• Varistor: Integrated

• Auxiliary Contacts: 1 NO + 1 NC

• Main Circuit Terminals: Without box terminal

• Control & Auxiliary Circuit Terminals: Screw terminal

• Size: S3

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