Siemens 3RT1075-2AP36 Power Contactor, 400A, 200kW, AC/DC Original Brand New

Overview: Siemens 3RT1075-2AP36 Power Contactor

The Siemens 3RT1075-2AP36 is a robust, high-performance SIRIUS 3RT1 power contactor designed for reliable switching of electric motors and non-inductive loads up to 400 A. This 3-pole contactor is rated for $200\text{ kW}$ at $400\text{ V}$ (AC-3e/AC-3) and is a key component in the SIRIUS modular system for industrial control applications.

It features a wide-range $220-240\text{ V}$ AC/DC conventional drive, offering flexibility in control voltage. The main circuit connection utilizes busbar for high-current applications, while the auxiliary and control circuits feature spring-loaded terminals for fast, vibration-proof, and maintenance-free wiring. Pre-assembled with $2\text{ NO}+2\text{ NC}$ auxiliary contacts, the $3\text{RT1075-2AP36}$ is built for demanding industrial environments.

Benefits and Features

• High Performance: Capable of safely switching $400\text{ A}$ (AC-3) motors up to $200\text{ kW}$, making it ideal for high-power industrial machinery.
• Flexible Control: Operates on a wide-range $220-240\text{ V}$ AC/DC control voltage, simplifying inventory and application across different setups.
• Fast, Secure Wiring: Spring-loaded terminals on the control and auxiliary circuits ensure quick, reliable, and vibration-resistant connections, drastically reducing installation and maintenance time.
• Robust Main Connections: Busbar connection on the main circuit provides a solid, high-current connection point suitable for panel building.
• IE3/IE4 Ready: Optimized for switching high-efficiency motors in line with the new $\text{AC-3e}$ utilization category.
• Integrated Design: Part of the modular SIRIUS system, allowing easy integration with overload relays (e.g., 3RU2/3RB3) and other accessories for complete load feeders.
• Ready-to-Use: Includes pre-assembled auxiliary contacts ($2\text{ NO}+2\text{ NC}$), saving time and effort during assembly.

Application

The Siemens 3RT1075-2AP36 is the professional choice for various heavy-duty industrial applications requiring reliable motor control:

1. Motor Control: Switching 3-phase asynchronous motors in industrial plants, pumping stations, and large HVAC systems.
2. Industrial Machinery: Used in large machine tools, conveyors, compressors, and mixing equipment.
3. Power Distribution: Switching of lighting, heating, and capacitor banks in industrial power distribution.
4. OEM and Panel Builders: Excellent component for building high-current control panels and motor starters due to its compact design and high performance.

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