Siemens 3RT2038-1NB34-3MA0 SIRIUS Power Contactor, 80 A, 37 kW, S2 Size, with Varistor and 2 NO + 2 NC Aux Contacts Original Brand New

Overview

The Siemens 3RT2038-1NB34-3MA0 is a high-performance SIRIUS series power contactor designed for robust and reliable switching of motors and other electrical loads. This 3-pole contactor is engineered for use in demanding industrial environments, ensuring efficient and safe operation of your machinery. With its compact S2 size, it offers a space-saving solution without compromising on power or functionality.

Key Features & Function

• High Power Rating: Rated for AC-3e/AC-3 applications, this contactor can handle a current of up to 80 A and a power of 37 kW at 400 V, making it suitable for a wide range of motor control tasks.
• Versatile Control Voltage: The coil operates on a flexible 20-33 V AC/DC control voltage, 50/60 Hz, providing compatibility with various control systems.
• Integrated Varistor: An integrated varistor protects the coil from overvoltage spikes, enhancing the lifespan and reliability of the contactor.
• Dual Auxiliary Contacts: Equipped with 2 Normally Open (NO) and 2 Normally Closed (NC) captive auxiliary contacts, allowing for complex control and signaling circuits.
• Secure Screw Terminals: The screw terminals ensure a strong, reliable, and easy-to-wire connection for both the main and auxiliary circuits.
• Durable Design: As part of the SIRIUS family, it is built to Siemens’ high-quality standards, ensuring long-term performance and durability.
• Compact Size S2: The S2 size form factor provides a powerful solution in a relatively small footprint, optimizing panel space.

Benefit

• Enhanced Reliability: The integrated varistor protects the coil, reducing downtime and maintenance costs.
• Safety and Efficiency: Provides safe and efficient control of high-power motors and loads.
• Flexible Integration: The wide control voltage range and generous auxiliary contacts simplify integration into new or existing control panels.
• Easy Installation: Screw terminals make wiring straightforward and secure, saving time during installation.
• Space-Saving: The compact S2 size is perfect for control cabinets with limited space.

Technical Specification

• Product Number: 3RT2038-1NB34-3MA0
• Type: Power Contactor
• Series: Siemens SIRIUS
• Number of Poles: 3-pole
• Current Rating (AC-3e/AC-3): 80 A
• Power Rating: 37 kW @ 400 V
• Control Voltage: 20-33 V AC/DC, 50/60 Hz
• Auxiliary Contacts: 2 NO + 2 NC (captive)
• Coil Protection: Integrated varistor
• Terminal Type: Screw terminal
• Size: S2

Application

• Industrial motor control
• Pump and fan control systems
• Heating, ventilation, and air conditioning (HVAC) systems
• Conveyor systems
• General-purpose load switching

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