Siemens 3RT2038-1AV04 Contactor 80A, 37kW, 400V AC, S2 Original Brand New

Overview

The Siemens 3RT2038-1AV04 is a high-performance, 3-pole SIRIUS power contactor designed for reliable switching of electric motors and other resistive loads up to 80 A. Part of the robust SIRIUS 3RT2 series, this contactor offers excellent efficiency and a long mechanical service life, making it a cornerstone for industrial automation and control systems. Its compact Size S2 design and flexible auxiliary contact configuration make it easy to integrate into motor starters and control panels.

Key Specification

• Product Number: 3RT2038-1AV04
• Manufacturer: Siemens
• Series: SIRIUS 3RT2
• Contactor Size: S2
• Poles: 3-pole
• Rated Operating Current (Ie​) (AC-3e/AC-3): 80 A ($\le 400\text{ V}$)
• Rated Power (AC-3): 37 kW / 400 V
• Coil Control Voltage (Us​): 400 V AC, 50 Hz
• Auxiliary Contacts: 2 NO (Normally Open) + 2 NC (Normally Closed)
• Connection Type: Screw Terminal (Main and Auxiliary Circuit)
• Feature: Removable Auxiliary Switch Block

Function & Application

The 3RT2038-1AV04 contactor is primarily used for switching 3-phase electric motors in various industrial applications.

• Motor Control: Functions as a central component in direct-on-line (DOL) and reversing starters.
• Load Switching: Suitable for controlling other high-current resistive loads, heating, and lighting circuits.
• Industrial Automation: Integrates seamlessly with other SIRIUS components like overload relays and circuit breakers for building complete motor feeder solutions.

Benefit

• High Performance: Rated for up to 80A and 37kW (400V), ensuring dependable operation for demanding loads.
• Integration Ease: Compact S2 size allows for space-saving installation in control cabinets.
• Versatile Auxiliary Contacts: The built-in $2\text{NO}+2\text{NC}$ auxiliary contacts provide essential feedback and control logic for complex circuits.
• Reliable Connection: Robust screw terminals ensure secure and long-lasting electrical connections.
• Global Standard Compliance: Meets international standards like AC-3e/AC-3 (IEC 60947), ensuring compatibility and safety.
• Removable Auxiliary Switch: Allows for easy maintenance and modification of the control circuit.

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