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.