Siemens 3RT2038-1NB30 Power Contactor 80A, 37kW, 20-33V AC/DC, Size S2 Original Brand New

Overview

The Siemens SIRIUS 3RT2038-1NB30 is a high-performance power contactor designed for the switching of motors and other industrial loads up to 80 A. This robust and compact device from the renowned SIRIUS series is engineered for reliability, efficiency, and safety in demanding industrial environments. Its versatile control voltage range and integrated varistor protection make it an ideal solution for a wide range of applications, from motor control to resistive loads.

Key Benefit

• Exceptional Durability: Built to withstand harsh industrial conditions, ensuring long-term operational reliability.
• Space-Saving Design: The compact Size S2 form factor allows for efficient use of panel space.
• Enhanced Surge Protection: The integrated varistor effectively suppresses voltage spikes, protecting the contactor and connected equipment.
• Flexible Control: The wide 20-33 V AC/DC control voltage range offers compatibility with various control systems.
• Convenient Wiring: Screw terminals provide a secure and straightforward connection for reliable electrical contact.
• Integrated Auxiliary Contacts: The built-in 1 NO + 1 NC auxiliary contacts simplify wiring for feedback and control circuits.
• High Performance: With a 37 kW / 400 V AC-3e/AC-3 rating, it’s suitable for a wide range of high-power applications.

Function

The Siemens 3RT2038-1NB30 Power Contactor’s primary function is to act as an electrically operated switch for a power circuit. It is used to control the flow of electrical current to a load, such as an electric motor, heating element, or lighting circuit.

• Motor Control: It is specifically rated for AC-3e/AC-3, making it perfect for switching squirrel-cage motors in normal starting, stopping, and reversing operations.
• Load Switching: It can reliably switch various resistive and inductive loads up to 80 A.
• Safety Interlocking: The integrated auxiliary contacts can be used to provide status feedback to a PLC or for safety interlocking in control circuits.
• Circuit Protection: The integrated varistor protects the coil from overvoltage, extending the life of the contactor and reducing maintenance needs.

Technical Specification

• Product Number: Siemens 3RT2038-1NB30
• Type: Power Contactor
• Rated Current (AC-3e/AC-3): 80 A
• Rated Power (AC-3e/AC-3): 37 kW / 400 V
• Poles: 3-pole
• Control Voltage: 20-33 V AC/DC, 50/60 Hz
• Protection: Integrated varistor
• Auxiliary Contacts: 1 NO + 1 NC
• Connection Type: Screw Terminal
• Size: S2
• Series: SIRIUS

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