Siemens 3RT2038-3SB30 SIRIUS S2 Power Contactor, 80A, 37kW, 21-33V AC/DC, 1NC Auxiliary, Screw/Spring-Loaded Terminal Original Brand New

Overview

The Siemens 3RT2038-3SB30 is a high-performance SIRIUS S2 power contactor designed for reliable switching and control of electrical loads up to 80 A. This robust 3-pole contactor is ideal for use in a wide range of industrial applications, including motor control, resistive load switching, and more. Its compact design and versatile connection options make it a top choice for modern control panels and systems.

Key Features & Benefit

• High Performance: Rated for AC-3e/AC-3 applications up to 80 A and 37 kW at 400 V, providing reliable and efficient power control for demanding loads.
• Versatile Control: Operates on a flexible 21-33 V AC/DC control voltage, making it compatible with various control systems and power supplies.
• Integrated Varistor: The built-in varistor protects the control electronics from voltage surges, enhancing the longevity and reliability of the contactor and connected components.
• Auxiliary Contacts: Features a single normally closed (1 NC) auxiliary contact, allowing for easy integration into interlocking, signaling, and control circuits.
• Dual-Terminal Design: The main circuit utilizes reliable screw terminals for secure power connections, while the control and auxiliary circuits feature convenient spring-loaded terminals for fast, tool-free wiring, saving time and reducing installation effort.
• Compact Size: As part of the SIRIUS S2 range, this contactor offers a high power-to-size ratio, helping to optimize space within control cabinets.
• F-PLC-IN Ready: This model is specifically designed for seamless integration with fail-safe PLC outputs, ensuring enhanced safety in critical applications.

Function

• Motor Control: Serves as a primary switching device for starting, stopping, and reversing three-phase motors.
• Load Switching: Efficiently switches various resistive and inductive loads, such as heaters, lighting circuits, and transformers.
• Safety Integration: The F-PLC-IN feature allows it to be used in safety circuits, controlled directly by a safety PLC to meet stringent machine safety standards.
• Circuit Interlocking: The 1 NC auxiliary contact can be used for electrical interlocking with other devices to prevent unsafe operations.

Technical Specification

• Product Type: Power Contactor
• Model: 3RT2038-3SB30
• Series: SIRIUS
• Size: S2
• Poles: 3-pole
• Rated Operational Current (AC-3e/AC-3): 80 A
• Rated Power (AC-3e/AC-3): 37 kW @ 400 V
• Control Supply Voltage: 21-33 V AC/DC, 50/60 Hz
• Auxiliary Contacts: 1 NC
• Main Circuit Termination: Screw terminals
• Control/Auxiliary Termination: Spring-loaded terminals
• Special Features: Integrated varistor, F-PLC-IN

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