Basler BE1-46N Negative Sequence Overcurrent Relay

• Unaffected by frequency variations of ±10%.

• Operating time adapts to rotor temperature effects due to prior unbalance heating.

• Relay operating characteristics are expressed as: I2

2

dt<K

• Low sensing and supply burdens.

• Optional remote I2 meter and oscillograph start contact.

• Qualified to the requirements of

— ANSI/IEEE C37.90.1-1989 for surge withstand capability,

— ANSI/IEEE C37.90-1989 for dielectric tests,

— IEC 255-5 for impulse.