Siemens 3RT2036-3AF04 Power Contactor SIRIUS 3RT2, 51A, 22kW, 110V AC, S2 Original Brand New

Overview

The Siemens 3RT2036-3AF04 is a high-performance SIRIUS 3RT2 power contactor designed for reliable switching of motors and other electrical loads in industrial applications. As part of the modular SIRIUS system, this 3-pole contactor in Size S2 offers a compact design with high contact reliability and is perfectly coordinated with other control components. It is a robust solution for demanding motor control circuits, rated for operation up to 51 A and 22 kW at 400 V (AC-3e/AC-3).

Benefit

• High Performance in a Compact Design: Efficient switching of 51A / 22kW loads from a space-saving Size S2 unit.
• Flexible Connection Technology: Combines secure screw terminals for the main power circuit with fast, vibration-proof, and maintenance-free spring-loaded terminals for control and auxiliary wiring.
• Enhanced Control Functionality: Pre-assembled with a versatile 2 NO + 2 NC removable auxiliary switch block for advanced control and signaling circuits.
• Global Standard Compliant: Approved for worldwide use (IEC, UL/CSA, CCC), ensuring suitability for international projects.
• IE3/IE4 Ready: Optimized for use with high-efficiency motors, supporting modern energy-saving requirements.
• Modular System: Part of the SIRIUS modular range, allowing easy combination with overload relays (e.g., 3RU2) and other accessories.

Function

The Siemens 3RT2036-3AF04 functions as an electromechanical switching device used primarily for:

1. Motor Switching: Direct On Line (DOL) starting and stopping of three-phase motors up to 22 kW.
2. Load Control: Switching resistive, capacitive, or inductive loads in industrial automation systems.
3. Remote Operation: The 110V AC coil allows remote control via a push button, PLC, or other control devices. The auxiliary contacts provide status feedback and interlocks for complex control logic.

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