DB-B Multifunctional Protector
This instrument is used for protecting the generators.
When the power net operating power reaches 110%-115% of the generator's rated power,after delaying,the protector will send out alarming signal.
When the power net operating power reaches 125%-135% of the generator's rated power. after delaying,the protector will send out switch off signal.
When the power net operating power reaches 8-12 times of the generator's rated power,after delaying, the protector will send out switch off signal.
When the output voltage of the generator lower than the setting value (30-70%),the device will send out switch off signal.
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