Siemens 3UA5500-1E Overload Relay
The Siemens 3UA5500-1E is a thermal overload relay designed to protect electrical motors from excessive current, ensuring operational safety and longevity. This relay is suitable for mounting onto Siemens contactors, specifically the 3TF34, 3TF35, 3TF44, and 3TF45 series.
Key Features
- Current Setting Range: Adjustable between 2.5 to 4 amperes, allowing for precise calibration to match motor specifications.
- Auxiliary Contacts: Equipped with one normally open (NO) and one normally closed (NC) contact for versatile control and signaling options.
- Mounting Compatibility: Designed for direct integration with Siemens 3TF34, 3TF35, 3TF44, and 3TF45 contactors, facilitating seamless installation.
- Thermal Overload Protection: Utilizes a bimetallic strip to detect and respond to overcurrent conditions, providing reliable motor protection.
Applications
The 3UA5500-1E overload relay is ideal for use in various industrial applications where motor protection is critical. Its adjustable current range and compatibility with specific Siemens contactors make it suitable for machinery requiring precise overload protection.
Technical Specifications
- Current Range: 2.5 to 4 A
- Auxiliary Contacts: 1 NO + 1 NC
- Mounting: Directly onto 3TF34, 3TF35, 3TF44, and 3TF45 contactors
- Net Weight: Approximately 0.206 kg
For detailed information and installation guidelines, please refer to the product documentation or contact Siemens support.
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