Basler BE1-47N Negative Sequence Voltage Relay
Basler
产品编号: BE1-47N
生产厂家: Basler
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Datasheets for Basler BE1-47N Negative Sequence Voltage Relay
Description for Basler BE1-47N Negative Sequence Voltage Relay
The BE1-47N Voltage Phase Sequence Relay provides protection for rotating equipment from the damaging effects of excessive negative sequence voltage resulting from phase failure, phase unbalance and reversed phase sequence.ADVANTAGES• Responds to true negative sequence voltage component. • Unaffected by frequency variations of ±5 Hz. • Negative Sequence Voltage adjustment range of 2 - 32 percent. • Optional Over and Undervoltage measuring elements. • Low sensing and supply burdens. • Instantaneous, Definite and Inverse time delay characteristics available for each measuring element. • Qualified to the requirements of — IEEE C37.90.1-1989 and IEC 255 for surge withstand capability; — IEC 255-5 for impulse. • UL recognized per Standard 508, UL File #E97033. • Gost R certified per the relevant standards of Gosstandart of Russia • Five year warranty
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