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Electrical Line Noise
Frequency Variation
Harmonic Distortion
Overvoltage
Power Failure
Power Sag
Power Surge
Switching Transient
Undervoltage

(Brownout)

Reduced Line Voltage for Extended Periods of a Few Minutes to a Few Days

Cause

Can be caused by intentional utility voltage reduction to conserve power during peak demand periods, or other heavy loads that exceed supply capacity.

Effect

Computer systems can experience data corruption, data loss and premature hardware failure.
May cause erratic behavior in some equipment.

Solution

Protect your critical equipment with a UPS!



Brownout Definition: A reduction in the mains voltage without a complete loss of power. A brownout is a steady lower voltage state. An example of a brownout happens during peak electrical demands in the summer, when utilities can't always meet the requirements and must lower the voltage to limit maximum power.