Power Failure and Resumption Alarm

light failure and resumption alarm is a fit and forget unit. it is an online watchdog for three or single phase supply. informs the user by raising an alarm , whenever any of three phases goes off. even if all the three phases get off, it doesn't need any battery backup or inverter connection. 👉ideal for both three phase as well as single phase. 👉ideal for homes, industry and hospitals.