Siemens 3RT1076-6AV36 Power Contactor 500A, 250kW, 3-Pole, 380-420V AC/DC Original Brand New

Overview

The Siemens 3RT1076-6AV36 is part of the SIRIUS 3RT series, renowned for its reliability and compact design. This power contactor is engineered to switch motors and other resistive loads with high efficiency and durability. Its versatile AC (50-60 Hz) / DC control voltage range (Uc: 380-420 V) ensures compatibility with a wide range of power systems, providing flexibility in installation and operation.

Key Features

• High Current Rating: Rated at 500 A for AC-3e/AC-3 applications, suitable for starting motors with high inrush currents.
• High Power Capacity: Capable of handling motors up to 250 kW at 400 V, perfect for large-scale industrial machinery.
• 3-Pole Configuration: A standard 3-pole design for controlling three-phase motor circuits.
• Dual Auxiliary Contacts: Includes 2 Normally Open (NO) and 2 Normally Closed (NC) auxiliary contacts, providing essential feedback and interlock functionalities for control circuits.
• Conventional Drive: Features a conventional drive mechanism for reliable and proven switching performance.
• Flexible Terminals: The main circuit connects via busbars for a clean, high-power connection, while the control and auxiliary circuits use secure screw terminals.
• AC/DC Coil: The coil operates on both AC (50-60 Hz) and DC power within the 380-420V range, simplifying inventory and system design.

Benefit

• Enhanced Reliability: Built with Siemens’s superior engineering, ensuring a long operational life and reduced maintenance.
• Space-Saving Design: The compact form factor allows for higher density installations within control cabinets.
• Ease of Integration: The conventional design and clear terminal markings make it straightforward to integrate into existing and new systems.
• Global Standard Compliance: Meets international standards for safety and performance, ensuring it is a trusted component for industrial automation worldwide.
• Optimal Performance: Designed to handle challenging industrial environments and high switching frequencies without compromising on performance.

Function

The Siemens 3RT1076-6AV36 serves as a primary switch in power circuits. Its main functions include:

• Motor Control: Starting, stopping, and reversing three-phase electric motors.
• Load Switching: Controlling high-power resistive loads, heating elements, and lighting circuits.
• Safety Interlocking: The integrated auxiliary contacts are crucial for safety and sequencing, providing status signals to PLCs or other control devices.

Technical Specification

• Product Number: 3RT1076-6AV36
• Type: Power Contactor
• Rated Current (AC-3e/AC-3): 500 A
• Rated Power (at 400V): 250 kW
• Poles: 3
• Control Voltage (Uc): 380-420 V AC (50-60 Hz) / DC
• Auxiliary Contacts: 2 NO + 2 NC
• Drive Type: Conventional
• Main Circuit Connection: Busbar
• Control/Auxiliary Circuit Connection: Screw Terminal

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