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3UA5830-5B | Thermal Overload Relay
Product Description
The 3UA5830-5B is a high-quality thermal overload relay designed by Siemens for reliable motor protection. It is specifically engineered to safeguard motors against overloads, phase failures, and phase imbalances. This relay is suitable for use with the 3TF50 contactor, ensuring seamless integration and optimal performance.
Key Features:
- Current Range: 70 – 95 A
- Mounting Type: Contactor Mounting
- Reset Type: Manual Reset
- Compatibility: Suitable for Siemens 3TF50 Contactor
- Protection Functions: Overload protection, phase failure protection, and phase imbalance protection
- Design: Compact and robust construction for durability
- Application: Ideal for industrial and commercial motor control applications
Technical Specifications:
| Parameter | Value |
|---|---|
| Rated Operational Current (Ie) | 70 – 95 A |
| Mounting Type | Contactor Mounting |
| Reset Mechanism | Manual Reset |
| Compatible Contactor | 3TF50 |
| Protection Class | IP20 |
| Ambient Temperature | -20°C to +60°C |
| Standards | IEC/EN 60947-4-1, UL 508, CSA C22.2 No. 14 |
Applications:
The 3UA5830-5B thermal overload relay is widely used in various industrial and commercial applications, including:
- Motor control centers
- Pump and fan systems
- Conveyor systems
- Compressors and HVAC systems
- Machine tools and automation systems
Benefits:
- Ensures reliable motor protection and extends motor lifespan
- Easy to install and integrate with Siemens 3TF50 contactors
- Manual reset feature for enhanced safety and control
- Compact design saves space in control panels
- Complies with international standards for quality and safety
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