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RGU2

RGU2
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Smart earth leakage protection Electronic relay for earth leakage protection and monitoring Description Electronic industrial earth leakage protection relay, compatible with the WGC series protection transformers. Ultra-immunised type-A relay, with high-frequency current filtering and high immunity. True root mean square (TRMS) measure. —— Programmable with backlit LCD display: –– Sensitivity and trip time –– Output contact status. –– Protection status messages. –– Real-time level of leakage. —— LED bar showing the percentage leakage current measured by the unit. —— Features two independent programmable outputs (main and prealarm / relay fault). —— Assembly on DIN 46277 rail (EN 50022), 2 modules. —— Locking the programming menu with the keyboard or by sealing the PROG button. —— RCM and MRCD in the same unit (see connections) Applications Compatible with WGC earth leakage transformers The RGU-2 relays associated with WGC transformers offer smart and robust earth leakage protection against all types of unwanted tripping. Since these earth leakage relays only take up 2 modules of space, include an LCD display, a bar LED and are fully programmable, they are essential for protecting people and for preventive maintenance of the installations. Technical features Protection Earth leakage transformer With built-in buttons, T & R Remote control Remote test and reset possible Associated circuit breaker Contactor or circuit breaker + trigger coil Power supply voltage Leakage trip Prealarm, via an LED bar Disconnection of external transformer Trip current (red display) Programming Instantaneous leakage current Disconnection of external transformer Remote signaling Prealarm Unit malfunction Unit power supply fault Controlling the circuit breaker Via an NO/NC switched relay, depending on the connection with the circuit breaker Auxiliary power supply Output contacts Operating temperature Protection degree Standards True root mean square (TRMS) Mechanical features Electrical features

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Smart earth leakage protection Electronic relay for earth leakage protection and monitoring References Type Auxiliary power supply Connection diagram as a modular earth leakage current relay (MRCD) Auxiliary power supply Connection diagram as a earth leakage current monitoring relay (RCM)

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