The BE1-87G is a single or three-phase solid-state variable percentage

differential relay designed to provide selective, high-speed, differential

protection for generators, motors, and shunt reactors.

ADVANTAGES

• Single or three-phase relays available.

• Variable percentage characteristic.

• Low operating burden.

• Balancing impedance in CT inputs provides excellent security

during external faults or other transients.

• High speed operation.

• Seven sensitivity settings cover the range of 0.1 to 1.6A

or 0.02 to 0.32A.

• Pickup accuracy within ±5% of the operate characteristic.

• Qualified to the requirements of- IEEE C37.90.2 for Radio Frequency

Interference (RFI)- IEEE C37.90.1-1989 for Fast Transient and Surge Withstand

Capability- IEC 255-5 and ANSI/IEEE C37.90 for Impulse and Dielectric tests.

• UL recognized per Standard 508. UL File #E97033.

• Gost R certified per the relevant standards of Gosstandart of Russia.

• Five year warranty.