The Siemens SICOP 3US5800-2U8K Bimetal Overload Relay is a direct-operated (DO) thermal overload relay designed to provide reliable overload and phase-failure protection for three-phase AC motors. Featuring an adjustable current setting range of 63–80 A, Size S3 construction, and Class 10 tripping characteristics, it offers accurate motor protection for standard starting applications. The relay is ideal for use in industrial motor control systems, ensuring dependable performance and extended motor life.
| Parameter | Specification |
|---|---|
| Brand | Siemens |
| Series | SICOP 3US |
| Model Number | 3US5800-2U8K |
| Product Type | Bimetal Overload Relay |
| Operating Type | Direct Operated (DO) |
| Frame Size | S3 |
| Current Setting Range | 63–80 A |
| Trip Class | Class 10 |
| Motor Protection | Overload & Phase Failure |
| Reset Type | Manual / Automatic |
| Connection Type | Screw Terminal |
| Mounting | Contactor Mounting |
| Rated Insulation Voltage (Ui) | Up to 690 V |
| Rated Frequency | 50/60 Hz |
| Ambient Operating Temperature | -25°C to +55°C |
| Standard | IEC 60947-4-1 |
| Application | Thermal overload protection for three-phase AC motors |
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