Siemens SIRIUS 3RT2038-1AL24 Power Contactor, 3-Pole, 80A, 37kW (AC-3), 230V AC Coil, 2NO+2NC Aux, Size S2 Original Brand New

Overview

The Siemens SIRIUS 3RT2038-1AL24 is a high-performance power contactor engineered for efficient and reliable switching of three-phase motors and other electrical loads. Part of the renowned SIRIUS 3RT2 series, this size S2 contactor is built for demanding industrial applications. With a rated operational current of 80 A (AC-3) and a power rating of 37 kW at 400 V, it provides a robust solution for a wide range of control tasks.

The 230 V AC coil ensures reliable operation, while the integrated 2 NO + 2 NC auxiliary contacts offer enhanced flexibility for control circuits. Its compact design and user-friendly screw terminals make installation and maintenance straightforward. The removable auxiliary switch further simplifies modification and servicing, making it an excellent choice for modern industrial control panels.

Key Benefit

• High Performance: Capable of handling significant electrical loads up to 80 A (AC-3) and 37 kW, ensuring reliable motor control.
• Space-Saving Design: The compact size S2 form factor allows for efficient use of space within control cabinets.
• Enhanced Control: Comes equipped with 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts for versatile integration into safety and control circuits.
• Easy Installation: Features secure and reliable screw terminals for quick and simple wiring.
• Durable and Reliable: As part of the Siemens SIRIUS family, it is built to meet stringent quality standards for long-lasting performance in harsh industrial environments.
• Simplified Maintenance: The removable auxiliary switch module allows for easy replacement or modification without needing to rewire the main contactor.

Function & Application

The Siemens 3RT2038-1AL24 power contactor is primarily used for switching electrical circuits, particularly for three-phase motors. It serves as a critical component in motor control applications such as:

• Starting and stopping motors: Used in direct-on-line (DOL) starters and other motor control panels.
• Controlling resistive and inductive loads: Ideal for managing heating elements, lighting systems, and other industrial loads.
• Building machine automation: A core component in the control circuits of various machinery, including pumps, compressors, and conveyors.

Technical Specification

• Product Number: Siemens 3RT2038-1AL24
• Type: Power Contactor
• Product Series: SIRIUS 3RT2
• Operational Current (AC-3e/AC-3): 80 A (at 400 V)
• Operational Power (AC-3): 37 kW (at 400 V)
• Number of Poles: 3
• Rated Control Supply Voltage (Us): 230 V AC, 50/60 Hz
• Auxiliary Contacts: 2 NO + 2 NC
• Terminals: Screw Terminals
• Size: S2
• Feature: Removable Auxiliary Switch
• Mounting: Standard rail or screw mounting
• Ambient Temperature: -25 to +60 °C

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