|Over Frequency||50 - 55 Hz|
AE 700 series frequency relays are used for protec on of sensi ve equipment due to under or ment is being supplied from a source whose frequency may be erra c. Can be used for tripping in case frequency goes above limit. A lower or higher than limit condition if persisting for more than 1 or 2 sec a contact changeover occurs and an led on facia glows to indicate a trip condi on. This can be used to trip the breaker / supply. Two sets of changeover contacts are available. The relay is auto reset type.