Siemens SIRIUS 3RT2036-3AR60 Power Contactor S2, 51A, 22kW, 400V AC with Spring-Loaded and Screw Terminals Original Brand New

Overview

The Siemens SIRIUS 3RT2036-3AR60 is a high-performance 3-pole power contactor from the trusted SIRIUS series. It’s designed for seamless and reliable switching of electric motors and other resistive loads in industrial and commercial applications. This Size S2 contactor is built to handle significant power, rated for 51 A at 400 V AC and up to 22 kW, making it suitable for a wide range of demanding tasks. Its robust design features both screw terminals for the main circuit and convenient spring-loaded terminals for the control and auxiliary circuits, ensuring a secure and efficient connection.

Key Features & Benefit

• High Switching Capacity: Safely handles up to 51 A and 22 kW at 400 V AC (AC-3e/AC-3), providing reliable performance for heavy-duty applications.
• Versatile AC Coil: Operates with a wide voltage range of 400 V AC at 50 Hz and 400-440 V AC at 60 Hz, accommodating various power supply standards.
• Integrated Auxiliary Contacts: Includes one normally open (1 NO) and one normally closed (1 NC) auxiliary contact, allowing for easy integration into control and signaling circuits.
• Dual Terminal System: The main power circuit uses secure screw terminals, while the control and auxiliary circuits feature quick and easy spring-loaded terminals for faster, vibration-resistant wiring.
• Compact & Efficient: The Size S2 form factor allows for space-saving installation in control cabinets without compromising on power handling.
• Durability & Reliability: As part of the Siemens SIRIUS line, it’s engineered for long-term operational excellence and is a crucial component for motor control, automation, and electrical systems.

Function

The Siemens 3RT2036-3AR60 functions as an electromagnetic switch, allowing for the remote control of power flow to a connected load. When the control coil is energized by the specified AC voltage, the main contacts close, enabling power to flow from the supply to the motor or load. The integrated auxiliary contacts change state simultaneously, providing feedback and control signals to other parts of the electrical system, such as PLCs or indicator lights. This function is fundamental in motor starters, heating systems, and other industrial automation setups.

Technical Specification

• Product Type: Power Contactor
• Product Number: 3RT2036-3AR60
• Rated Current (AC-3e/AC-3): 51 A
• Rated Power: 22 kW at 400 V
• Number of Poles: 3-pole
• Control Supply Voltage: 400 V AC (50 Hz) / 400-440 V AC (60 Hz)
• Auxiliary Contacts: 1 NO + 1 NC
• Main Circuit Terminals: Screw terminals
• Control/Auxiliary Terminals: Spring-loaded terminals
• Size: S2
• Series: SIRIUS

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