Siemens 3RT2018-2BB42-0CC0 SIRIUS 3RT20 Power Contactor 16A, 7.5kW, 400V, 24V DC Coil, Spring-Loaded, S00 Original Brand New

Overview

The Siemens 3RT2018-2BB42-0CC0 is a high-performance, compact power contactor from the globally recognized SIRIUS 3RT20 family, engineered for the efficient and reliable switching of electric motors and other loads up to 7.5 kW at 400 V (AC-3/AC-3e). This specific model features a 3-pole main circuit rated for 16 A and is operated by a 24 V DC control voltage.

A key feature of the 3RT2018-2BB42-0CC0 is its integration into modern industrial control systems, as it is communication-capable, allowing for enhanced diagnostics and control when paired with a communication function module. Its space-saving size S00 design makes it ideal for dense control panel layouts. The innovative spring-loaded terminal connections ensure a fast, reliable, and vibration-proof wiring solution, significantly reducing installation and maintenance time compared to traditional screw terminals.

It also includes one integrated normally closed (1 NC) auxiliary contact for control circuit feedback. Designed for global use, the SIRIUS 3RT20 contactors are known for their high contact reliability, long mechanical service life, and compliance with international standards (IEC, UL/CSA).

Technical Specifications

• Product Brand: Siemens SIRIUS
• Contactor Type: Power Contactor (Motor Switching)
• Article Number: 3RT2018-2BB42-0CC0
• IEC Utilization Category: AC-3e / AC-3
• Rated Operational Current (Ie) at 400V (AC-3/AC-3e): 16 A
• Rated Operational Power at 400V (AC-3/AC-3e): 7.5 kW
• Number of Poles: 3-pole
• Control Supply Voltage (Coil Voltage): 24 V DC
• Auxiliary Contacts: 1 NC (Normally Closed)
• Terminal Type: Spring-Loaded Terminal (Spring-Type)
• Contactor Size: S00
• Special Feature: Communication-Capable

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