Siemens 3RT2038-1AV60 SIRIUS Power Contactor, 80A, 480V AC S2 Original Brand New

Overview: Siemens 3RT2038-1AV60 SIRIUS S2 Power Contactor

The Siemens 3RT2038-1AV60 is a robust and reliable 3-pole power contactor from the compact SIRIUS 3RT2 series, size S2. Engineered for controlling electric motors up to $37\text{ kW}$ (at $400\text{ V}$) or $80\text{ A}$ (AC-3/AC-3e), this contactor provides exceptional performance and high contact reliability for industrial automation and control applications. It features a $480\text{ V AC},60\text{ Hz}$ operating coil and includes one Normally Open (NO) and one Normally Closed (NC) integrated auxiliary contact, minimizing the need for external components. The secure screw terminal connections ensure easy and reliable wiring.

Key Technical Specification

• Manufacturer: Siemens
• Type: Power Contactor
• Model: 3RT2038-1AV60
• Series: SIRIUS 3RT2
• Contact Configuration: 3-Pole Main Contacts
• Operational Current (AC-3e/AC-3): $80\text{ A}$
• Operational Power (AC-3/AC-3e): $37\text{ kW}/400\text{ V}$ (Also $50\text{ HP}$ at $460\text{ V}$)
• Control Supply Voltage (Coil): $480\text{ V AC},60\text{ Hz}$
• Auxiliary Contacts: $1\text{ NO}+1\text{ NC}$ (Integrated)
• Connection Type: Screw Terminal
• Size: S2
• Mounting: DIN Rail / Screw Fixing
• Product Lifecycle: Active Product

Benefits & Features

• Space-Saving Design: As a Size S2 contactor from the SIRIUS 3RT2 family, it offers high switching capacity in a compact, modular design, optimizing panel space.
• High Performance: Rated for $80\text{ A}$ and up to $37\text{ kW}$, making it suitable for heavy-duty motor control applications.
• Global Standard Compliance: Meets both IEC and UL/CSA standards for worldwide application flexibility.
• Integrated Auxiliary Contacts: The built-in $1\text{ NO}+1\text{ NC}$ auxiliary contacts simplify wiring for interlocking and signaling circuits.
• Secure Connection: Reliable screw terminals for main and auxiliary circuits ensure a robust, vibration-resistant connection.
• Energy Efficiency: Optimized for low power loss in the hot operating state, contributing to energy savings and reduced heat build-up.

Function

The Siemens 3RT2038-1AV60 functions as an electromechanical switch used for switching three-phase loads, particularly in the control of electric motors (AC-3/AC-3e). When the $480\text{ V AC}$ coil is energized, the main contacts close, connecting the motor to the power supply. De-energizing the coil opens the contacts, safely disconnecting the motor. It is a fundamental component in motor starters, reversing starters, and main power control circuits.

Application

Ideal for use in:

• Standard Motor Starters (Direct-On-Line)
• Reversing Starters (in conjunction with a second contactor)
• Pump Control Systems
• Ventilation and HVAC Systems
• Conveying and Material Handling Equipment
• General Load Switching (Resistive and Inductive Loads)

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