3UG4825-1CA40 SIEMENS

The 3UG4825-1CA40 is a digital monitoring relay meticulously designed for precise residual current monitoring, ensuring electrical safety and preventing equipment damage. It seamlessly integrates with the 3UL23 residual-current transformer, creating a comprehensive monitoring system. This relay offers a wide setting range from 0.03 A to 40 A, allowing for adaptable configuration based on specific application requirements. Separate settings for warning thresholds and switch-off values enable proactive alerting and immediate response to potential faults. Users can fine-tune the relay's behavior with adjustable ON delay and tripping delay settings, ranging from 0 to 999.9 seconds. The inclusion of shutdown hysteresis, configurable up to 50%, prevents nuisance tripping and ensures stable operation. A fixed warning hysteresis of 5% further enhances the reliability of the warning system. With a compact width of 22.5mm, the relay is space-efficient and easy to integrate into existing control panels. It features two change-over contacts, offering versatile switching options with or without fault buffer functionality, and utilizes screw terminals for secure and reliable connections.