The ATC DIVERSIFIED ELECTRONICS SLU-100-ASA is a versatile and reliable Universal Phase Monitor/Relay. Equipped with an Auto-Manual Reset function, this device ensures the continuous monitoring and control of phase conditions in various electrical systems. Designed to provide accurate and real-time phase monitoring, the SLU-100-ASA is a crucial component in preventing equipment damage or downtime caused by phase imbalances, interruptions, or faults. Its user-friendly interface allows for effortless operation and configuration, making it suitable for a wide range of industrial and commercial applications. Trust the ATC DIVERSIFIED ELECTRONICS SLU-100-ASA for efficient and effective phase monitoring and relay control.