Siemens DTU3005-B Especificaciones descargar pdf (Pagina 16)

Term Condition

Voltage

Fluctuations

Increase or decrease in normal line voltage within the

normal rated tolerance of the electronic equipment.

Usually short in duration and do not affect equipment

performance.

Voltage Sag

Decrease in voltage outside the normal rated

tolerance of the electronic equipment. Can cause

equipment shutdown. Generally, two seconds or less

in duration.

Voltage Swell

Increase in voltage outside the normal rated tolerance

of the electronic equipment. Can cause equipment

failure. Generally, two seconds or less in duration.

Long-Term

Under/Overvoltage

Decrease/increase in voltage outside the normal rated

tolerance of the electronic equipment. Can adversly

affect equipment. Lasts more than a few seconds in

duration.

Outage/Sustained

Power Interruption

Complete loss of power. Can last from a few

milliseconds to several hours.

Changes in Voltage and Current

Even the best distribution systems are subject to changes in

system voltage from time-to-time. The following industry terms

can be used to describe given voltage conditions. Voltage

changes can range from small voltage fluctuations of short

duration to a complete outage for an extended period of time.

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Siemens DTU3005-B Especificaciones Pagina 16