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3RT20281AG208K – Power Contactor
Product Overview
The 3RT20281AG208K is a high-performance power contactor manufactured by Siemens. It is designed for reliable switching of electrical loads in industrial applications. This contactor is suitable for controlling motors, transformers, and other electrical devices.
Key Features
- Rated Current: 38 A
- Contact Configuration: 1 NO (Normally Open) + 1 NC (Normally Closed)
- Coil Voltage: 110 V AC
- Number of Poles: 3-pole
- Terminal Type: Screw terminals for secure and easy wiring
- Mounting: DIN rail mounting for easy installation
- Enclosure: Compact and robust design for durability
- Applications: Ideal for motor control, lighting control, and general switching applications
Technical Specifications
| Parameter | Value |
|---|---|
| Rated Operational Voltage (Ue) | Up to 690 V AC |
| Rated Operational Current (Ie) | 38 A |
| Rated Insulation Voltage (Ui) | 690 V |
| Mechanical Life | Up to 10 million operations |
| Electrical Life | Up to 1 million operations |
| Ambient Temperature | -25°C to +60°C |
| Protection Class | IP20 |
Applications
The Siemens 3RT20281AG208K power contactor is widely used in various industrial and commercial applications, including:
- Motor control in manufacturing plants
- Switching of resistive and inductive loads
- Control of lighting systems
- HVAC systems
- Pump and compressor control
Advantages
- High reliability and long service life
- Easy installation and maintenance
- Compact design saves space in control panels
- Compatible with Siemens control systems
Conclusion
The Siemens 3RT20281AG208K power contactor is a versatile and reliable solution for controlling electrical loads in a wide range of applications. Its robust design, high performance, and ease of installation make it a preferred choice for industrial and commercial use.
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