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 at (AC-3e/AC-3) and is a key component in the SIRIUS modular system for industrial control applications.
It features a wide-range 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 auxiliary contacts, the is built for demanding industrial environments.
Benefits and Features
- High Performance: Capable of safely switching (AC-3) motors up to , making it ideal for high-power industrial machinery.
- Flexible Control: Operates on a wide-range 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 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 (), 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:
- Motor Control: Switching 3-phase asynchronous motors in industrial plants, pumping stations, and large HVAC systems.
- Industrial Machinery: Used in large machine tools, conveyors, compressors, and mixing equipment.
- Power Distribution: Switching of lighting, heating, and capacitor banks in industrial power distribution.
- OEM and Panel Builders: Excellent component for building high-current control panels and motor starters due to its compact design and high performance.
For pricing, technical drawings, or to explore our full range of industrial control products, visit turll today!













Reviews
There are no reviews yet.