Siemens 3RT1054-3AU36 Power Contactor 115A, 55kW, 3-Pole AC/DC, 2NO+2NC Contacts Original Brand New

Overview

The Siemens 3RT1054-3AU36 Power Contactor is engineered for reliable performance and long-lasting durability in industrial control applications. Designed to handle AC-3e/AC-3 operations up to 115 A and 55 kW at 400 V, this contactor delivers exceptional efficiency and consistent power switching. Suitable for both AC (50–60 Hz) and DC (240–277 V) control voltages, it ensures flexible integration into a wide range of systems.

Ideal for motor control, power distribution, and automation environments, the Siemens 3RT1054-3AU36 combines advanced design with Siemens’ trusted engineering excellence.

Key Benefit

• High Performance: Rated for 115 A and 55 kW at 400 V, ensuring robust operation in heavy-duty industrial environments.
• Versatile Voltage Range: Supports both AC and DC control voltages (240–277 V) for maximum flexibility.
• Reliable Operation: Built with 2 Normally Open (NO) and 2 Normally Closed (NC) auxiliary contacts for safe and dependable switching.
• Ease of Installation: Features box terminals for the main circuit and spring-loaded terminals for control and auxiliary circuits.
• Durability and Safety: Siemens’ high-quality contact materials and precision design minimize contact wear and extend product life.

Technical Specification

• Product Type: Power Contactor

• Model Number: 3RT1054-3AU36

• Current Rating (AC-3e/AC-3): 115 A

• Power Rating: 55 kW (at 400 V)

• Control Voltage: AC/DC 240–277 V

• Poles: 3-Pole

• Auxiliary Contacts: 2 NO + 2 NC

• Drive Type: Conventional

• Main Circuit Connection: Box Terminal

• Control & Auxiliary Circuit: Spring-Loaded Terminal

• Frequency Range: 50–60 Hz

• Manufacturer: Siemens AG

Application & Function

The Siemens 3RT1054-3AU36 is ideal for use in:

• Industrial motor control systems

• Automation panels and machinery

• HVAC and pumping systems

• Conveyor drives and compressors

• Power distribution and switching operations

Functionally, this contactor ensures efficient switching and control of electric motors under demanding operating conditions while providing safe isolation and reliable contact closure.

For more of our high-quality industrial automation products, visit Turll today!