Siemens 3UA5800-2T Overload Relay (40-57A)
The Siemens 3UA5800-2T is a thermal delayed overload relay designed to provide reliable protection for electrical circuits operating within a current range of 40 to 57 amperes. This relay is engineered to safeguard motors and other equipment from potential damage caused by overload conditions.
Key Features
- Adjustable Current Range: The relay offers a setting range from 40 to 57A, allowing for precise calibration to match specific application requirements.
- Auxiliary Contacts: Equipped with one normally open (1NO) and one normally closed (1NC) auxiliary contact, facilitating integration into control circuits.
- Compatibility: Designed for seamless mounting onto Siemens contactors and starters, ensuring straightforward installation and compatibility.
- Voltage Ratings: Rated insulation voltage (Ui) up to 1000V, with operational voltage ratings of 400V and 690V, accommodating various industrial power systems.
- Compliance: Meets international standards IEC 292-1 and VDE 0660, ensuring adherence to recognized safety and performance criteria.
Technical Specifications
- Tripping Current: Set at 125% of the dialed current setting, providing effective overload protection.
- Fuse Ratings: Compatible with fuses up to 70A (K5) and 80A (HRC Form II), offering flexibility in circuit protection design.
- Torque Specification: Terminal connections require a tightening torque of 27 lbs-in, ensuring secure electrical connections.
- Wire Compatibility: Suitable for use with copper wires rated at 60/75°C, accommodating standard wiring practices.
- Weight: Approximately 0.452 kg (452 grams), facilitating ease of handling and installation.
Manufactured in Germany, the Siemens 3UA5800-2T overload relay exemplifies quality engineering and is designed to deliver dependable performance in industrial applications.
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