Overview
The Siemens 3RT2046-1AD24 is a high-performance SIRIUS power contactor designed for reliable switching of electric motors and other industrial loads. This 3-pole contactor is rated for AC-3e/AC-3 operation, handling currents up to 95 A and power up to 45 kW at 400 V. It features a compact Size S3 frame, making it suitable for a wide range of industrial applications.
The unit is equipped with an integrated 42 V AC control coil for efficient operation and includes a versatile auxiliary switch with 2 normally open (NO) and 2 normally closed (NC) contacts, which are removable for easy configuration. The robust screw terminals ensure secure and reliable electrical connections.
Key Features & Benefit
- High Performance: Rated for 95 A (AC-3e/AC-3) and 45 kW at 400 V, providing powerful and reliable switching for heavy-duty applications.
- Energy Efficient: The 42 V AC coil offers low power consumption, reducing operational costs and heat generation.
- Versatile Auxiliary Contacts: The 2 NO + 2 NC auxiliary switch provides flexible control and signaling options, with the added benefit of being removable for simplified wiring and maintenance.
- Robust and Reliable: Built with Siemens’ renowned quality and the SIRIUS modular system, ensuring long-term durability and consistent performance.
- Easy Installation: Features secure screw terminals for quick and dependable wiring, and a compact Size S3 design that saves panel space.
- Compliance: Fully compliant with international standards, including AC-3e/AC-3 for motor switching.
Function
The Siemens 3RT2046-1AD24 power contactor is primarily used to switch on and off electric motors, heating systems, and other large electrical loads in industrial environments. The control coil, when energized by a 42 V AC signal, closes the main power contacts, allowing current to flow to the connected load. The auxiliary contacts provide feedback or can be used for interlocking and control circuits, enhancing the safety and functionality of the overall system.
Application
- Motor control for pumps, fans, compressors, and conveyors
- HVAC systems
- Lighting control
- Heating systems
- General industrial automation and control panels
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