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.
• 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.