Siemens 3RT1054-6XB46-0LA2 Power Contactor, 115A, 55kW, 24V DC Electronic Drive, 2NO+2NC Aux Original Brand New

Overview

The Siemens SIRIUS 3RT1054-6XB46-0LA2 is a high-performance power contactor designed for reliable switching of motors and other industrial loads up to 115 Amps. As part of the SIRIUS modular system, it offers a compact, robust solution for modern industrial control. This specific model features an advanced electronic drive for precise operation and is particularly suited for integration into automated systems with PLC control.

Key Specification & Function

• Product Number: 3RT1054-6XB46-0LA2
• Contactor Type: Power Contactor (Motor Control)
• Rated Operational Current (Ie​): 115 A (for AC-3e/AC-3 at $\le 400$ V)
• Rated Power: 55 kW / 400 V
• Control Supply Voltage (Uc​): 24 V DC (Operating range $\times 0.7$ to $1.25$)
• Drive Type: Electronic with a wide input range for PLC compatibility (24-110 V DC $\times 0.7$ to $1.25$ input for the PLC)
• Poles: 3-pole main circuit
• Auxiliary Contacts: Integrated 2 NO + 2 NC
• Main Circuit Connection: Busbar (ideal for power distribution systems)
• Control/Auxiliary Connection: Screw terminals (reliable and familiar connection method)
• Function: Switches the main current in three-phase motor applications, allowing for safe and automated starting and stopping. The electronic drive minimizes coil consumption and is highly reliable.

Benefit & Features

1. High-Current Capacity: Rated for 115A and 55 kW motor loads, making it suitable for large machinery.
2. Advanced Electronic Drive: Offers lower holding power consumption and a wider control voltage tolerance compared to conventional contactors, leading to energy savings and greater system reliability.
3. PLC-Ready Control: The 24V DC control voltage and wide-range PLC input (24-110 V DC) simplify integration into modern automated control systems.
4. Integrated Auxiliary Contacts: The built-in 2 NO and 2 NC contacts provide essential feedback and interlocking signals without the need for additional, bulky auxiliary contact blocks.
5. Robust Connection: Busbar connection for the main circuit ensures secure, high-current power transfer, while screw terminals on the control side allow for standard wiring convenience.
6. Reliability: Engineered by Siemens as part of the globally recognized SIRIUS family, guaranteeing long service life and high operational reliability.

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