Siemens 3RT2036-3AH00 SIRIUS Power Contactor Size S2, 51A, 22kW, 48V AC Coil Original Brand New

Overview

The Siemens 3RT2036-3AH00 is a high-performance SIRIUS power contactor from the trusted Siemens brand, designed for reliable switching of electric motors and other industrial loads. This specific model, with a size S2 frame, is rated for AC-3e/AC-3 operation at 51 A and 22 kW at 400 V, making it suitable for a wide range of applications. Its robust design ensures a long service life and dependable performance in demanding environments.

Key Features & Benefit

• High Power Rating: Capable of handling up to 51 A and 22 kW (at 400 V), providing the necessary capacity for medium-to-high power motor applications.
• Energy Efficient: The AC-3e/AC-3 rating signifies compliance with modern energy efficiency standards, helping to reduce operational costs over time.
• Versatile Auxiliary Contacts: Includes 1 NO (Normally Open) and 1 NC (Normally Closed) auxiliary contact, offering flexibility for control circuits, interlocking, and status indication.
• Dual Terminal System: The main circuit utilizes user-friendly screw terminals for secure and high-current connections, while the control and auxiliary circuits feature spring-loaded terminals, enabling fast, tool-free wiring and vibration-resistant connections.
• Compact Size S2: The compact and standardized S2 frame size allows for efficient use of panel space and easy integration into existing systems.
• Reliable Operation: A 48 V AC, 50 Hz coil ensures consistent and reliable opening and closing of the main contacts.
• Durability: Manufactured with high-quality materials, the Siemens 3RT2036-3AH00 is built to withstand rigorous industrial conditions, ensuring a long operational life and minimizing downtime.

Function

The Siemens 3RT2036-3AH00 power contactor serves as an electromechanical switch. When the 48 V AC control voltage is applied to the coil, it generates a magnetic field that pulls the main contacts together, allowing power to flow to the connected load (e.g., a motor). When the control voltage is removed, the magnetic field collapses, and the contacts spring open, interrupting the power supply. The integrated auxiliary contacts can be used to control other components in the system or to provide feedback on the contactor’s status.

Technical Specification

• Product Type: Power Contactor
• Part Number: 3RT2036-3AH00
• Brand: Siemens
• Series: SIRIUS
• Size: S2
• Rated Operational Current (AC-3e/AC-3): 51 A
• Rated Power (AC-3e/AC-3): 22 kW @ 400 V
• Number of Poles: 3
• Control Coil Voltage: 48 V AC, 50 Hz
• Auxiliary Contacts: 1 NO + 1 NC
• Main Circuit Terminals: Screw terminals
• Control/Auxiliary Circuit Terminals: Spring-loaded terminals

Application

• Motor control and switching
• Pumps, fans, and conveyor systems
• Heating and lighting circuits
• Industrial machinery
• Building automation systems

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