Siemens 3RT2518-1BJ80 Power Contactor 16A, 7.5 kW, 4-Pole, 72V DC, AC-3 Original Brand New

Overview

The Siemens 3RT2518-1BJ80 is a high-performance power contactor designed for reliable switching in industrial and commercial applications. With an AC-3 rating of 16 A and a power handling capability of 7.5 kW at 400 V, this 4-pole contactor ensures efficient motor control and operational safety. Its main contacts are configured as 2 NO + 2 NC, allowing flexible connection schemes. Designed for screw terminal mounting and compact S00 size, it integrates seamlessly into various control panels.

Key Features & Benefit

• Reliable Motor Control: Handles up to 7.5 kW / 400 V in AC-3 applications.

• Flexible Contact Configuration: 2 NO + 2 NC main contacts for versatile control.

• Durable Construction: Screw terminal connections for secure and stable installation.

• Compact Design: Size S00 ensures space-saving integration in control panels.

• Wide Voltage Range: Operates efficiently with 72 V DC coil voltage.

• Enhanced Safety: Meets Siemens industrial standards for contactors, ensuring long-lasting performance.

Function and Application

The 3RT2518-1BJ80 contactor is primarily used for:

1. Switching AC-3 Loads: Controlling asynchronous motors (start/stop) up to 7.5 kW.

2. Resistive Load Control: Switching heating elements, lighting, and other high-current resistive circuits.

3. Complex Circuit Isolation: Utilizing the 4-pole configuration (2 NO, 2 NC) for main circuit isolation and signaling.

4. Integration into DC Control Systems: Ideal for machinery and plants using a 72V DC power supply for control logic.

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