Product Overview
The Siemens 3RT7026-1AB05 is a high-performance contactor from the renowned SIRIUS series, engineered for reliable switching of electric motors and other demanding industrial loads. This specific model is designed for AC-3 applications, handling up to 25A at 400V, which corresponds to an impressive 11 kW motor power.
Key Features & Specification
- Product Number: 3RT7026-1AB05
- Type: Power Contactor for Motor Loads
- Rated Operational Current (Ie): 25A (AC-3, 400V)
- Rated Power (P): 11 kW (AC-3, 400V)
- Coil Voltage: 24V AC, 50Hz
- Auxiliary Contacts: 1 NO (Normally Open) + 1 NC (Normally Closed)
- Size: S0
- Connection Type: Screw Terminal
- Mounting: Standard DIN rail or screw fixing
Benefit
- Reliable Performance: Built with high-quality materials and Siemens' engineering excellence, ensuring long-term reliability and operational safety.
- Compact Design: The Size S0 form factor saves valuable space within control cabinets, allowing for more compact machine designs.
- Versatile Application: Ideal for a wide range of motor control tasks, including starting, stopping, and reversing motors in various industrial settings.
- Easy Installation: Features user-friendly screw terminals for secure and straightforward wiring. Can be easily mounted on a standard DIN rail.
- Integrated Auxiliary Contacts: The built-in 1NO and 1NC contacts provide immediate feedback for control circuits, simplifying system design and wiring.
- Global Standard: Complies with international standards, making it suitable for use in applications worldwide.
Function
The Siemens 3RT7026-1AB05 contactor serves as a crucial component in industrial automation and motor control systems. Its primary functions include:
- Switching Motors: Directly switches the power supply to three-phase motors, enabling their start and stop functions.
- Load Control: Can be used to switch other resistive or inductive loads, such as heaters, lighting, or transformers.
- System Integration: The 24V AC coil allows for easy integration with common control systems, PLCs, and pushbuttons.
- Safety and Protection: Acts as a key element in safety circuits, capable of interrupting power to machinery under fault conditions.
Application
The 3RT7026-1AB05 is a go-to choice for applications in:
- Manufacturing and production lines
- Pumping stations and HVAC systems
- Conveyor systems
- Machine tools
- Packaging machinery
- Building automation
- Any system requiring the reliable switching of a 11kW motor or similar load.
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