Siemens 3RT1054-1AV36 SIRIUS Power Contactor 115A, 55kW, 380-420V AC/DC, 2 NO + 2 NC Aux Contacts Original Brand New

Overview

The Siemens 3RT1054-1AV36 is a robust and high-performance power contactor from the SIRIUS family, designed for reliable switching of electric motors and other demanding loads. It is engineered to meet the latest standards, including AC-3e/AC-3, ensuring efficiency and safety in industrial applications. This 3-pole contactor is rated for 115 A and can handle motor loads up to 55 kW at 400 V. Its versatile AC/DC operation and wide control voltage range of 380-420 V make it suitable for a variety of power systems. The integrated 2 NO + 2 NC auxiliary contacts provide flexible signaling and interlocking options. Featuring conventional drive and a combination of box and screw terminals, this contactor offers secure and straightforward installation.

Key Features & Benefit

• High Switching Capacity: Rated for 115 A and 55 kW, making it ideal for heavy-duty motor control applications.
• Versatile Operation: Supports both AC (50-60 Hz) and DC control, providing flexibility for different power supply types.
• Wide Control Voltage Range: Operates reliably with a control supply voltage (Uc) of 380-420 V.
• Integrated Auxiliary Contacts: Comes with 2 NO and 2 NC contacts for easy integration into control circuits and signaling.
• Secure & Easy Connection: The main circuit uses a robust box terminal, while the control and auxiliary circuits utilize screw terminals for secure and reliable wiring.
• Durable Design: Part of the trusted Siemens SIRIUS line, known for its long service life and high operational reliability.
• Standards Compliance: Conforms to modern standards like AC-3e/AC-3, ensuring energy efficiency and safety.

Function

The Siemens 3RT1054-1AV36 contactor’s primary function is to act as an electrically operated switch for a power circuit. It is used to:

• Start and stop electric motors.
• Switch inductive and resistive loads.
• Control and automate industrial machinery.
• Provide a safe and reliable method for remote switching of high-current circuits.

Technical Specification

• Product Type: Power Contactor
• Product Number: 3RT1054-1AV36
• Manufacturer: Siemens
• Product Series: SIRIUS 3RT
• Rated Current (AC-3e/AC-3): 115 A
• Rated Power (400 V): 55 kW
• Number of Poles: 3
• Control Supply Voltage (Uc): 380-420 V AC (50-60 Hz) / DC
• Auxiliary Contacts: 2 Normally Open (NO) + 2 Normally Closed (NC)
• Drive: Conventional
• Main Circuit Connection: Box Terminal
• Control/Auxiliary Circuit Connection: Screw Terminal

Application

• Industrial motor control centers
• Pump and fan control systems
• Heating, ventilation, and air conditioning (HVAC) systems
• Conveyor systems
• Automation and machine building

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