Siemens 3RT2038-1AB04 Power Contactor, SIRIUS 3RT2, 80A, 37kW/400V, 24V AC, Size S2 Original Brand New

Overview: The Robust SIRIUS 3RT2 Series

The Siemens 3RT2038-1AB04 Power Contactor is a high-performance industrial switching device from the state-of-the-art SIRIUS 3RT2 family, engineered for the reliable switching of electric motors. As a Size S2 contactor, it handles demanding loads with a compact footprint. This specific model features a high operational current of 80 A (AC-3) and a power rating of 37 kW at 400 V, making it an essential component for motor control in heavy-duty industrial applications.

Features & Benefit

The Siemens 3RT2038-1AB04 offers superior performance and integration for modern industrial control systems:

• High Performance for Motor Loads: Rated at 80 A / 37 kW, this contactor is optimized for standard motor switching (AC-3) and modern, high-efficiency motors (AC-3e), ensuring longevity and reliable operation.
• Modular SIRIUS System Integration: As part of the SIRIUS modular system, it is designed for seamless integration with other components like circuit breakers and overload relays, simplifying load feeder design and wiring.
• Simplified Wiring and Maintenance: Featuring screw terminals on the main circuit and integrated auxiliary contacts (2 NO + 2 NC), it reduces the complexity of panel building and troubleshooting. The removable auxiliary switch provides added flexibility.
• Global Compliance: The SIRIUS 3RT2 contactors are climate-resistant and approved for worldwide use (IEC, UL/CSA), making them suitable for global machinery manufacturing.
• Efficiency Ready: The device is IE3/IE4-ready, supporting the control of new generations of energy-efficient motors.

Application

This powerful 80A Power Contactor is ideal for switching three-phase loads, including:

• Controlling large electric motors (pumps, fans, conveyors).
• Switching resistance loads.
• Implementing motor control centers (MCCs) and industrial panels.
• Creating reversing or star-delta (wye-delta) starter assemblies.

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