Basler BE1-25 Instruction Manual

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BE1-25Sync-Check RelayThe BE1-25 Sync-Check Relay monitors the voltages on both sides of a circuitbreaker and determines that proper phase angle and voltage exist prior to closing thecircuit breaker.FEATURES• Phase angle limit is adjustable over the range of 1 to 99 degrees.• Time delay is adjustable over a range of 1 to 99 cycles or 0.1 to 99 seconds.• Voltage monitoring circuits provide independent determination of bus and linevoltage levels for selectable closing conditions.• Voltage difference provides additional verification of proper breaker closingconditions.• Expandable phase window option provides the capability to quickly close criticalsystem ties under emergency conditions.• Separate sync and voltage monitor output contacts are available.• Optional external selection of voltage conditions.• Qualified to the requirements of- IEEE C37.90-1978, C37.90a-1974, and IEC 255 for surge withstandcapability;- IEEE C37.90.1-198Xfor fast transient;- IEC 255-5 for impulse.• UL Recognized under Standard 508, UL File #E97033.• Five year warranty.ADDITIONAL INFORMATIONINSTRUCTION MANUALRequest publication 9170200990§Basler ElectricP. 0. BOX 269 HIGHLAND, ILLINOIS, U.S.A. 62249 PHONE 618·654·2341 FAX 618·654-2351APPLICATIONSPage 2SPECIFICATIONSPages 4-6CONNECTIONSPage 7ORDERINGINFORMATIONPage 8UBP-51-01www . ElectricalPartManuals . com