3RT2448-1NF30

Description

Overview

The Siemens 3RT2448-1NF30 is a reliable and efficient AC-1 contactor designed for heavy-duty electrical operations. Rated at 160 A and capable of handling voltages up to 690 V at 40°C, this 3-pole contactor ensures robust performance and safety. Its integrated varistor protects the device from voltage spikes, while the 1 NO + 1 NC auxiliary contacts provide flexible control options. Built with box terminals for the main circuit and screw terminals for control and auxiliary circuits, it offers secure and stable connections, suitable for industrial automation, motor control, and commercial electrical systems.

Benefit

• High Load Capacity: Handles up to 160 A for heavy industrial operations.

• Voltage Protection: Integrated varistor safeguards against voltage spikes and surges.

• Flexible Control: Auxiliary contacts (1 NO + 1 NC) allow diverse control configurations.

• Reliable Connectivity: Box terminal for the main circuit and screw terminal for control circuits ensure stable connections.

• Durable & Efficient: Designed to withstand harsh industrial environments with long service life.

Function

• AC-1 Switching: Efficiently switches resistive loads up to 690 V.

• Protection: Integrated varistor absorbs overvoltage transients.

• Control & Monitoring: Auxiliary contacts enable integration with control circuits.

• Modular Installation: Screw and box terminals simplify wiring and maintenance.

Technical Specification

• Product Number: 3RT2448-1NF30

• Type: AC-1 Contactor

• Rated Current: 160 A

• Rated Voltage: 690 V (at 40°C)

• Poles: 3

• Coil Voltage: 83-155 V AC/DC, 50/60 Hz

• Auxiliary Contacts: 1 NO + 1 NC

• Main Circuit Connection: Box terminal

• Control & Auxiliary Circuit Connection: Screw terminal

• Size: S3

• Protection: Integrated varistor

Application

• Switching resistive loads (e.g., industrial heating systems).

• Controlling large-scale lighting circuits.

• Switching capacitors (with appropriate derating).

• Power distribution and isolation.

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