Siemens 3RT2038-1CL24-3MA0 SIRIUS Power Contactor 80A, 37kW, 230V AC, Size S2 Original Brand New

Overview

The Siemens 3RT2038-1CL24-3MA0 is a high-performance, 3-pole SIRIUS Power Contactor designed for switching motors up to 37 kW at 400 V. Engineered for robustness and reliability, this size S2 contactor meets both the AC-3 and the new AC-3e efficiency classes, ensuring compliance with modern industrial standards. It features an integrated, plugged-in varistor for enhanced surge protection and reliable 230 V AC coil operation, making it ideal for standard control circuit applications.

Key Features / Technical Specification

• Product Number (MPN): 3RT2038-1CL24-3MA0
• Product Brand: Siemens SIRIUS
• Type: Power Contactor for Motor Switching
• Performance: 80 A (AC-3e/AC-3), 37 kW @ 400 V
• Poles: 3-pole
• Coil Voltage: 230 V AC, 50/60 Hz
• Surge Protection: With plugged-in varistor
• Auxiliary Contacts: Captive auxiliary switch block with 2 NO + 2 NC configuration
• Terminal Type: Screw terminal
• Contactor Size: S2

Benefit

• Reliable Motor Control: Rated at 80 A and 37 kW, this contactor provides dependable switching for heavy-duty motors and loads in industrial machinery.
• Enhanced Surge Protection: The factory-integrated, plugged-in varistor safeguards the control circuit coil against voltage spikes, increasing the lifespan and reliability of the entire system.
• Space-Saving Integration: As part of the SIRIUS 3RT2 family, its compact Size S2 design allows for efficient use of space within control panels and electrical enclosures.
• Simplified Wiring and Maintenance: Features a secure screw terminal connection and a captive auxiliary switch block (2 NO + 2 NC), streamlining installation and reducing the risk of component loss during service.
• Global Compliance: Conforms to key industrial standards including AC-3e and AC-3, making it suitable for worldwide deployment and modern energy efficiency requirements.

Function / Application

The Siemens 3RT2038-1CL24-3MA0 power contactor is primarily used as an electromechanical switching device for non-resistive or slightly inductive loads. Its main applications include:

1. Switching and controlling 3-phase AC motors (Direct On Line/DOL starters).
2. Controlling large-scale heating, lighting, and ventilation systems.
3. Integration into industrial control panels, machine tools, and automation systems.
4. Acting as the main switching element in control circuits requiring a 230V AC coil supply.

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