Siemens SIRIUS 3RT2 Contactor 3RT2018-1AN21, 16A, 7.5kW, 220V AC, S00 Original Brand New

Overview: Siemens 3RT2018-1AN21 SIRIUS Power Contactor

The Siemens 3RT2018-1AN21 is a high-performance, 3-pole power contactor from the trusted SIRIUS 3RT2 product family, specifically designed for switching motors in industrial applications. This compact Size S00 contactor offers outstanding reliability and a long mechanical service life of up to 30 million operating cycles. It is engineered for AC-3 and the new AC-3e efficiency-class switching of three-phase loads, providing a dependable solution for Direct-on-Line (DOL) motor starting and industrial automation.

Benefit

• Space-Saving Design: The compact Size S00 footprint allows for efficient use of space within control cabinets and panels.
• High Reliability: Part of the proven Siemens SIRIUS family, ensuring consistent and dependable performance in demanding industrial environments.
• Motor Switching Power: Rated for switching 3-phase motors up to 7.5 kW at 400 V (AC-3/AC-3e) and a robust 16 A operational current.
• Easy Integration: Features one integrated Normally Open (1 NO) auxiliary contact for signaling and control circuit integration.
• Secure Installation: Reliable screw terminals provide a secure and robust connection for main and auxiliary circuits.

Function & Application

The Siemens 3RT2018-1AN21 Power Contactor functions as an electromechanical switch used to control a motor or other power circuit. Its primary application is to switch three-phase AC loads, such as:

• Direct-on-Line (DOL) Motor Starters
• Heating and Lighting Circuits
• Ventilation and Pump Systems
• General Industrial Automation and Low-Voltage Distribution

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