Dedicated protection for utility distribution and industrial applications
REF610 offers overcurrent and thermal overload protection for cable feeders,
non-directional earth-fault protection and phase discontinuity protection, and three-phase,
multishot auto-reclose functions for overhead line feeders
REF610 supports a wide range of standard communication protocols,
including IEC 61850. IEC 60870-5-103. Modbus®, Profibus, DNP3. SPA and LON.

Protection functions
The IED offers directional and non-directional overcurrent and thermal overload protection as
well as directional and non-directional earth-fault protection.
Some standard configurations allow as an option admittance-based, harmonics-based or wattmetric-based earth-fault protection to be
used in addition to directional earth-fault protection.
Further, the IED features sensitive earth-fault protection, phase discontinuity protection, transient/intermittent earth-fault protection,
overvoltage and undervoltage protection, residual overvoltage protection, positive-sequence undervoltage
and negativesequence overvoltage protection.
The outstanding I/O capability in REC670 enables control of several bays with complete measurement with only one IED.
For instance, one REC670 IED is capable of handling control of all apparatuses
in one entire diameter in 1 ½ breaker arrangement including breaker failure protection for all breakers.
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