Siemens 3RT2036-3NB34-3MA0 Power Contactor S2 Size, 51A, 22kW, 2NO+2NC, Multi-Voltage Original Brand New

Overview

The Siemens 3RT2036-3NB34-3MA0 is a high-performance SIRIUS 3RT2 power contactor designed for robust and reliable switching of motors and resistive loads. This S2 size contactor is engineered to meet the demanding requirements of industrial automation and control systems. Its compact yet powerful design makes it an ideal choice for a wide range of applications, including motor control, power distribution, and machine-building.

Key Features & Benefit

• High Performance: Rated for AC-3e/AC-3 operation at 51 A and 22 kW at 400 V, it provides a dependable solution for heavy-duty motor switching.
• Versatile Control: The wide 20-33 V AC/DC control voltage range offers exceptional flexibility, allowing for use in systems with varying power supplies. The integrated varistor provides superior surge protection, extending the life of the control coil.
• Dual-Terminal Technology: The main circuit utilizes secure screw terminals, while the control and auxiliary circuits feature fast and reliable spring-loaded terminals. This combination simplifies wiring, reduces installation time, and ensures a vibration-proof connection.
• Integrated Auxiliary Contacts: The 2 NO (Normally Open) + 2 NC (Normally Closed) auxiliary contacts are captive, providing essential feedback and interlock functionality without the need for additional modules.
• Space-Saving Design: As part of the S2 size series, this contactor offers a high power density, allowing for efficient use of panel space.
• Robust Construction: Built with high-quality materials, the Siemens 3RT2036-3NB34-3MA0 is designed for long-term reliability and performance in harsh industrial environments.

Function

• Motor Switching: Effectively starts, stops, and reverses motors in industrial machinery.
• Power Switching: Controls the flow of electrical power to various loads.
• Control System Integration: The auxiliary contacts provide crucial status signals to PLC and other control systems.
• Surge Protection: The integrated varistor protects the control circuit from voltage spikes, ensuring operational stability.

Technical Specification

• Product Number: 3RT2036-3NB34-3MA0
• Type: Power Contactor
• Frame Size: S2
• Rated Current (AC-3e/AC-3): 51 A
• Rated Power (AC-3e/AC-3): 22 kW at 400 V
• Poles: 3
• Control Voltage: 20-33 V AC/DC, 50/60 Hz
• Auxiliary Contacts: 2 NO + 2 NC (Captive)
• Main Circuit Connection: Screw Terminal
• Control/Auxiliary Circuit Connection: Spring-Loaded Terminal
• Special Features: Integrated Varistor

Application

• Industrial automation and control panels
• Motor control centers (MCCs)
• HVAC systems
• Pumps, fans, and conveyor systems
• Machine tools and processing equipment

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