Brown Out Timer with 3 Functions: ON Delay, Interval, Pulse Detects Voltage Dips and Momentary Lossof Supply & Resets the control panel Low Power Consumption Fast Response Time LED indications for Healthy & Unhealthy conditions Excellent Noise Immunity to the latest IEC standards 23UDT0 , 27UDT0 , 22LDT0 , 23LDT0