Siemens 3RT1054-6SP36-3PA0 Power Contactor 115A, 55kW / 400V AC, 3-Pole, 2NO+2NC Original Brand New

Overview

The Siemens 3RT1054-6SP36-3PA0 Power Contactor is engineered for reliable and efficient switching of electric motors and power systems. Designed for demanding industrial environments, this 3-pole contactor offers high performance with AC-3e/AC-3 operation up to 115A and 55 kW / 400V, ensuring stable power control for your automation or machinery applications.

Built with Siemens’ trusted quality, this unit integrates a busbar main circuit connection and screw terminals for auxiliary control circuits, providing easy installation and secure connectivity. Its electronic drive and F-PLC input (24V DC) enable precise control and compatibility with modern control systems.

Key Features & Function

• High Switching Capacity: Supports AC-3e/AC-3 115 A, suitable for heavy-duty motor loads.

• Power Rating: 55 kW at 400 V AC, ideal for medium to large motor systems.

• Flexible Control Voltage: Works with AC (50–60 Hz) and DC Uc: 200–277 V x (0.8–1.1).

• Advanced Drive System: Electronic drive for high efficiency and precision operation.

• Integrated PLC Compatibility: F-PLC input 24V DC for modern automation systems.

• Reliable Contacts: Equipped with 2 NO + 2 NC auxiliary contacts permanently mounted.

• Durable Design: Busbar main circuit and screw terminal control circuits ensure long-term reliability and easy maintenance.

• Compact & Efficient: Optimized for space-saving installation and reduced energy loss.

Benefit

• Ensures efficient power management and motor control in industrial systems.

• Reduces downtime with high mechanical and electrical durability.

• Easy integration into existing PLC and automation environments.

• Designed for continuous, stable operation under variable load conditions.

• Backed by Siemens engineering excellence for maximum reliability and safety.

Application

The SIRIUS 3RT1054-6SP36-3PA0 contactor functions as a primary switching device for industrial control panels. It is perfectly suited for starting, controlling, and protecting three-phase asynchronous motors and general resistive loads. Typical applications include:

• Industrial motor control for pumps, fans, and conveyor systems.
• Main contactor in demanding load feeders (e.g., star-delta starters).
• Integration into safety-relevant circuits via the F-PLC input.

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