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3RU2166-5FB10-8K | Thermal Overload Relay
Product Overview
The 3RU2166-5FB10-8K is a high-performance thermal overload relay designed for industrial applications. It is suitable for use with S10 size contactors and offers reliable protection for motors against overloads. This relay features both automatic and manual reset options, making it versatile for various operational needs.
Key Features
- Current Range: 180 – 250 A
- Mounting Type: Separate Mounting
- Reset Option: Auto/Manual Reset
- Compatibility: Suitable for S10 Size Contactor
- Brand: Siemens
- Protection Class: IP20
- Ambient Temperature: -20°C to +60°C
- Standards: Complies with IEC/EN 60947-4-1, UL 508, CSA C22.2 No. 14
- Contact Configuration: 1 NO + 1 NC
- Tripping Class: Class 10A
- Mechanical Life: 1,000,000 operations
- Electrical Life: 100,000 operations
Applications
The 3RU2166-5FB10-8K thermal overload relay is ideal for use in various industrial environments, including:
- Motor protection in manufacturing plants
- HVAC systems
- Pump and fan control
- Conveyor systems
- Compressors and other heavy machinery
Technical Specifications
| Parameter | Value |
|---|---|
| Rated Operational Current (Ie) | 180 – 250 A |
| Rated Insulation Voltage (Ui) | 690 V |
| Rated Operational Voltage (Ue) | 690 V AC |
| Rated Frequency | 50/60 Hz |
| Power Consumption | ≤ 8 W |
| Weight | Approx. 1.2 kg |
Additional Information
For more detailed technical information, installation guidelines, and safety instructions, please refer to the official Siemens product manual or contact Siemens customer support.
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