3RT2446-1AF00

Description

Overview

The Siemens 3RT2446-1AF00 is a high-performance AC-1 contactor designed for reliable switching of electrical circuits up to 140 A at 690 V. Featuring a 3-pole configuration and auxiliary contacts (1 NO + 1 NC), it ensures seamless operation in industrial and commercial electrical applications. Its robust construction and screw/box terminal design guarantee secure connections and durability, making it a trusted choice for professionals.

Benefit

• High Reliability: Handles up to 140 A, ensuring stable performance under heavy loads.

• Versatile Control: Equipped with 1 NO + 1 NC auxiliary contacts for flexible control circuit integration.

• Durable Construction: Box terminals for main circuits and screw terminals for control and auxiliary circuits provide secure, long-lasting connections.

• Industrial-Grade Performance: Designed to operate at 690 V / 40 °C, suitable for a variety of industrial environments.

• Compact Size: S3 size ensures easy installation in control panels and electrical systems.

Functions & Features

• AC-1 rated contactor for switching resistive and slightly inductive loads.

• 3-pole main circuit configuration for efficient three-phase power control.

• Auxiliary contacts (1 NO + 1 NC) for signal and interlock functions.

• Main circuit connection via box terminals for secure and high-current capacity.

• Control and auxiliary circuits connected via screw terminals for simple wiring.

• Operating voltage: 110 V AC, 50 Hz.

• Ambient temperature: 40 °C.

Technical Specification

• Model: Siemens 3RT2446-1AF00

• Rated Current: 140 A

• Rated Voltage: 690 V AC

• Poles: 3

• Auxiliary Contacts: 1 NO + 1 NC

• Main Circuit Terminals: Box terminal

• Control & Auxiliary Terminals: Screw terminal

• Size: S3

• Operating Voltage: 110 V AC, 50 Hz

• Max Ambient Temperature: 40 °C

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