Used in home, office and villa single-phase control system, when the power
supply is abnormal(voltage too high or too low), cut off the power to protect
electrical equipment from damage.
Built-in microprocessors, true RMS measurement, voltage measurement
accuracy < 1%. 50/60Hz universal, Button setting, LED indicator shows
working status. Use (magnetic latching) relay to achieve products low-power,
DIN-rail mounting.