1. General IntroductionThe Model SRO-125 self-recovery over-voltage
and under-voltage delay protector can quickly and reliably cut off
the power supply under high-voltage shock and under-voltage
conditions to protect electrical appliances. When the voltage
returns to the normal value, the circuit can be automatically
turned on and the power supply will be restored after delay, which
can effectively protect the electrical appliances from the impact
of the power supply momentarily. All functions are fully automated
with no special person operation is required. Two-color
light-emitting diodes are selected. The power indicator is green
and the protection indicator is red.2. Main technical
parameters SpecificationRated Current(In)Rared Voltage(V)Rated
Frequency(Hz)Overvoltage Start Value(V)Normal Voltage Start
Value(V)Undervoltage Start Value(V)Two phase overvoltage20,25,
32,40,50,63,80,100230VAC50,60275±5240-260170±5Three phase
overvoltage with lack of phase/ Three-phase four line overvoltage
with lack of
phase380VAC460±15420-440300±15 SpecificationNormal Voltage
Start Value(V)Overvoltage and Undervoltage start time(S) Power
Consumption(W)Electrical Machinery LifeTwo phase
overvoltage250,190≤60S100000 timesThree phase overvoltage with lack
of phase/ Three-phase four line overvoltage with lack of phase340,
440
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