Siemens 3RT2038-1KB44-3MA0 Power Contactor, S2, 80A, 37kW, 24V DC Original Brand New

Overview

The Siemens 3RT2038-1KB44-3MA0 is a high-performance SIRIUS 3RT2 series power contactor designed for industrial control applications. This S2 frame size contactor is rated for AC-3e/AC-3 operation at up to 80 A and 37 kW at 400 V. Engineered for robustness and reliability, it features a 24 V DC control voltage with a wide operating range of 0.8-1.2*Uc, making it perfectly suited for direct connection to PLC outputs.

The integrated varistor provides crucial surge protection for the coil, enhancing the lifespan of the control system. With a convenient screw terminal design and captive auxiliary switches (2 NO + 2 NC), this contactor ensures easy and secure installation while providing versatile feedback for your control circuits.

Key Benefit

• Optimized for PLC Integration: The wide voltage range (0.8-1.2*Uc) and 24 V DC coil are ideal for direct and reliable operation with modern PLC outputs, simplifying your control panel design.
• Enhanced System Protection: The integrated varistor protects the control coil from damaging voltage spikes, increasing the longevity of both the contactor and the associated PLC.
• High Performance & Reliability: With an 80 A and 37 kW rating, this contactor is built to handle demanding loads in various industrial environments, ensuring consistent and dependable motor control.
• Convenient & Secure Wiring: The robust screw terminals ensure a strong, reliable connection, while the captive auxiliary switches prevent loss during installation.
• Versatile Auxiliary Contacts: The 2 NO + 2 NC auxiliary contact configuration provides flexible options for signaling, interlocking, and other control circuit functions.

Technical Specification

• Product Type: Power Contactor (SIRIUS 3RT2)
• Product Number: 3RT2038-1KB44-3MA0
• Current Rating (AC-3e/AC-3): 80 A
• Power Rating: 37 kW at 400 V
• Number of Poles: 3
• Frame Size: S2
• Control Voltage: 24 V DC
• Control Voltage Tolerance: 0.8 - 1.2 * Uc
• Auxiliary Contacts: 2 Normally Open (NO) + 2 Normally Closed (NC)
• Connection Type: Screw Terminal
• Integrated Features: Varistor for coil protection
• Compatibility: Suitable for PLC outputs
• Switch Type: Captive Auxiliary Switch

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