ABB REX010 HESG324426R0001 HESG324389 Ground fault protection
The ABB REX010 is an injection unit used for earth fault protection. It can be contained in a REG316*4 housing and is a member of the ABB Relion product series as well as the REF615E product series. It is designed for use in various applications such as cable feeders, motor drives, and general system voltage monitoring.
The REX010 has a supply voltage range of 36 to 312 V DC and a power consumption of less than 180 VA. It also has optocoupler inputs ranging from 18 to 312 V DC. The connection terminals are HDFK (type Phoenix) 4 mm2.
The REX010 can be used with other devices such as contactors and circuit breakers that control motor drives. It can also be used for direct temperature measurement of critical motor projects such as bearings and windings. Additionally, it can be used for protecting cable feeders and distribution transformers due to its thermal overload protection, phase overcurrent protection, earth fault protection, and phase unbalance protection.
One approach to using the REX010 is to integrate it with a DCS (Distributed Control System) or PLC (Programmable Logic Controller) system. This can allow for the monitoring and control of the REX010 and other devices in the system. Another approach is to use the REX010 with other ABB products such as the REG316*4 housing for additional protection and monitoring capabilities.
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