ABB REF610 Feeder protection relay

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REF610 is ABB Relion ?  A feeder protection relay in the 610 product family, mainly used for protection, measurement, and monitoring of utility and industrial distribution systems. Here is its detailed information:

Functional Features

Rich protection functions: integrated with a large number of protection functions, including three element overcurrent protection, low setting elements with timing or IDMT (mode) characteristics, high setting elements with timing or instantaneous characteristics, and three-phase non directional overcurrent protection for instantaneous elements; Two component non directional ground fault protection, with low setting components for timing, IDMT (mode) or instantaneous characteristics, and high setting components for timing or instantaneous characteristics; There are also three-phase cable thermal overload protection, phase discontinuity protection, etc. In addition, an optional arc protection function is available, which uses two lens sensors for arc detection to automatically adjust the reference level based on backlight intensity. Arc detection can be performed through remote light signals.

Powerful communication function: supports multiple standard communication protocols, such as IEC 61850, IEC 60870-5-103, Modbus ?、 Profibus, DNP3, SPA, LON, etc. The optical front-end communication connection can be selected wirelessly or through cables, and there is also an optional rear communication module with plastic fiber optic, composite fiber optic (plastic and glass), or RS-485 connection for system communication of different communication protocols.

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