The Siemens 3UA50 00-1F is a thermal overload relay engineered to protect electrical motors from overload conditions and phase failures. Designed for seamless integration with Siemens contactors, it ensures reliable motor protection in various industrial applications.
Key Features
- Current Range: Adjustable from 3.2 to 5.0 Amperes, allowing precise calibration to specific motor requirements.
- Auxiliary Contacts: Equipped with 1 Normally Open (NO) and 1 Normally Closed (NC) contact for versatile control options.
- Mounting Compatibility: Specifically designed for direct mounting onto Siemens 3TF30 and 3TF31 contactors, facilitating easy installation.
- Reset Mechanism: Features a manual reset function, enhancing safety and control during operation.
- Protection Class: Class 10, ensuring timely response to overload conditions to prevent motor damage.
Applications
Ideal for safeguarding motors and other electrical equipment in various industrial and commercial settings, including:
- Motor control centers
- Pump and fan systems
- Conveyor systems
- Compressors and HVAC systems
Technical Specifications
- Current Setting Range: 3.2 – 5.0 A
- Reset Type: Manual
- Mounting: Contactor Mounting
- Compatible Contactors: Siemens 3TF30/31
- Standards Compliance: IS/IEC:60947-4-1
Benefits
- Ensures reliable motor protection against overloads and phase failures.
- Easy integration with Siemens 3TF30/31 contactors.
- Manual reset feature for enhanced safety and control.
- Durable design suitable for demanding industrial environments.
The Siemens 3UA50 00-1F thermal overload relay offers a dependable solution for protecting electrical circuits, ensuring operational safety and equipment longevity.













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