Siemens 3RT1054-6NP38-0PA5 Power Contactor 115A, 55kW, AC/DC 200-277V, PLC Input Original Brand New

Overview 

The Siemens 3RT1054-6NP38-0PA5 is a high-performance power contactor from the SIRIUS line, designed for demanding industrial applications. This robust 3-pole contactor is rated for AC-3e/AC-3 operation at 115 A and 55 kW at 400 V, making it ideal for controlling large motors and other resistive loads.

Its versatility is enhanced by a wide AC (50-60 Hz) / DC control voltage range of 200-277 V, ensuring reliable operation across various power systems. The unit features an electronic drive and is solid-state compatible, allowing for seamless integration into modern automation systems.

Key Benefit

• High Performance: Handles significant loads with a 115 A current rating and 55 kW power rating at 400 V.
• Flexible Control: The wide-range AC/DC control voltage (200-277V) and a dedicated 24V DC PLC input provide exceptional flexibility in different control environments.
• Enhanced Reliability: An electronic drive and solid-state compatibility ensure consistent performance and extended service life.
• Convenient Connectivity: Main circuit connection via busbar and control/auxiliary circuits via screw terminals simplifies installation and maintenance.
• Built-in Diagnostics: Features auxiliary contacts (2 NO + 2 NC) for easy status monitoring and control feedback.

Technical Specification

• Product Number: 3RT1054-6NP38-0PA5
• Product Type: Power Contactor
• Rated Current: 115 A (AC-3e/AC-3)
• Rated Power: 55 kW at 400 V
• Number of Poles: 3
• Control Voltage (Uc): 200-277 V AC (50-60 Hz) / DC
• PLC Input: 24 V DC
• Auxiliary Contacts: 2 Normally Open (NO) + 2 Normally Closed (NC)
• Drive Type: Electronic, Solid-state Compatible
• Main Circuit Connection: Busbar
• Control & Auxiliary Circuit Connection: Screw Terminal
• Brand: Siemens SIRIUS

Functionality

The Siemens 3RT1054-6NP38-0PA5 power contactor is a crucial component in industrial electrical systems. It functions as an electrically operated switch, primarily used for remotely controlling and switching high-power electrical circuits. Its main purpose is to safely and efficiently connect or disconnect power to equipment such as large motors, pumps, heaters, and lighting systems.

The solid-state compatible electronic drive ensures precise switching operations, while the auxiliary contacts provide crucial feedback for monitoring the contactor’s status within a control loop. The 24V DC PLC input allows for direct interfacing with Programmable Logic Controllers, simplifying the design of automated control systems.

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