Description
Product details:
The REU610 is part of ABB Relion’s member product family and its 610 product range. The series includes protective relays for feeder protection, motor protection and general system voltage monitoring. The plug-in design facilitates debugging of switchgear and enables quick and safe insertion and removal of plug-ins.
REU610 is designed for distribution plant busbar overvoltage and undervoltage protection, feeder and power transformer overvoltage protection, motor undervoltage protection, and capacitor bank protection and monitoring. It is also used for non-discriminatory ground fault protection based on residual voltage measurement in isolated neutral power systems. REU610 is used to initialize automated substation bus-bar conversions and disconnect low-power devices from public networks, known as islands.
REU610’s product advantages
The compact design makes it suitable for new and retrofit installations
The detachable plug-in design makes routine maintenance quick and easy
Complete type test for KEMA certification
It is certified for Marine and maritime use by DNV (Norwegian Classification Society)
Product features of REU610
Protect utility distribution and basic industrial applications
The REU610 offers integrated protection with two stages of overvoltage protection, two stages of undervoltage protection and two stages of residual overvoltage protection. In addition, REU610 includes two mutually exclusive protection features, single stage negative phase sequence overvoltage protection or single stage positive phase sequence undervoltage protection.
REU610 supports a wide range of standard communication protocols, including IEC 61850, IEC 60870-5-103, Modbus, Profibus, DNP3, SPA, and LON.
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