Siemens 3RT1054-3XF46-0LA2 SIRIUS Power Contactor, 115A, 55kW, 110V DC Control, PLC Input Original Brand New

Overview

The Siemens 3RT1054-3XF46-0LA2 is a SIRIUS series power contactor engineered for switching and controlling electric motors and other resistive loads. It features a robust design, high switching capacity, and a space-saving form factor, making it an ideal choice for a wide range of industrial applications. This model is part of the SIRIUS modular system, which allows for easy integration with other Siemens control components.

Key Features & Benefit

• High Power Rating: Capable of handling 115A for AC-3e/AC-3 applications and switching 55 kW at 400 V, suitable for demanding motor control tasks.
• Versatile Control: Operates with a 110 V DC control voltage, and includes a unique PLC input with a wide voltage range of 24-110 V DC. This makes it highly compatible with modern automation and control systems.
• Enhanced Auxiliary Contacts: Equipped with 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts, providing flexibility for signaling and interlocking circuits.
• Reliable Connections: Features box terminals for the main circuit and spring-loaded terminals for the control and auxiliary circuits, ensuring a secure and vibration-proof connection, which is crucial for reliability in industrial environments.
• Electronic Drive: The electronic drive ensures precise and reliable switching, reduces wear, and extends the lifespan of the contactor.
• Space-Efficient: Its compact design helps to save valuable space in control cabinets and panels.

Function

This power contactor serves as an electrically operated switch. When the control coil is energized, it closes the main power contacts, allowing electricity to flow to the connected load, such as a motor. When the coil is de-energized, the contacts open, interrupting the power. The integrated PLC input allows for direct connection to programmable logic controllers, simplifying the control scheme and reducing the need for intermediate relays.

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