Siemens 3RT2038-3AV00 Power Contactor SIRIUS, 80A, 37kW, 400V AC, Size S2 Original Brand New

Overview

The Siemens 3RT2038-3AV00 is a high-performance SIRIUS series power contactor designed for reliable switching of electric motors and other industrial loads. This 3-pole contactor is rated for 80 A at AC-3e/AC-3 and has a power rating of 37 kW at 400 V AC. Featuring a robust design in size S2, this unit is built for durability and efficiency in demanding industrial applications.

The main circuit uses convenient screw terminals for secure connections, while the control and auxiliary circuits are equipped with innovative spring-loaded terminals, ensuring quick, tool-free wiring and reliable contact, even in high-vibration environments. The integrated 1 NO + 1 NC auxiliary contact block provides enhanced functionality for signaling and control circuits.

Key Benefit

• High Performance: Capable of handling significant loads with an 80 A rating and 37 kW power, making it suitable for a wide range of motor control applications.
• Reliable and Durable: Part of the trusted Siemens SIRIUS family, known for its long-lasting performance and robust construction.
• Efficient Wiring: The combination of screw terminals for the main circuit and spring-loaded terminals for control/auxiliary circuits streamlines installation, reduces wiring time, and enhances connection security.
• Integrated Functionality: The built-in 1 NO and 1 NC auxiliary contacts eliminate the need for an additional contact block, simplifying the overall design and reducing component count.
• Space-Saving Design: The compact S2 size allows for efficient panel layout and integration into existing systems without requiring excessive space.
• Versatile Application: Ideal for motor switching, heating applications, and other industrial automation tasks.

Functionality

The Siemens 3RT2038-3AV00 power contactor is primarily used for switching power circuits. When the 400 V AC, 50 Hz control voltage is applied to the coil, the main contacts close, allowing power to flow to the connected load. The auxiliary contacts simultaneously change state (NO becomes closed, NC becomes open), which can be used for feedback, interlocking, or controlling other devices in the circuit. The spring-loaded terminals on the control and auxiliary circuits provide a vibration-proof connection, ensuring consistent performance.

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