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RGU-10B

Product catalog summary

Overview: The RGU-10B is an advanced electronic relay designed for earth leakage protection and monitoring, compatible with WGC-TB series transformers. It is suitable for type-B installations as per IEC 60755 standards, offering comprehensive monitoring and control of electrical insulation.

Key Features:

Electronic relay with relay output for AC, DC, or mixed currents.
Programmable settings via a backlit LCD display, including trip current, parameter programming, and instantaneous leakage current.
Status signaling through two LEDs and two independent programmable outputs for main and prealarm functions.
Remote control input for test and reset functions.
DIN rail assembly (EN 50022), occupying 3 modules.

Applications: The RGU-10B is ideal for monitoring electrical insulation in various installations, including single-phase or three-phase AC, AC with DC components, or purely DC installations. It is applicable in speed drives, UPS systems, photovoltaic installations, and motor control devices.

Technical Specifications:

Sensitivity range (IΔn): 0.1 to 3 A.
Delay range (tΔ): 0.1 to 10 seconds.
Compatible with external WGC-TB series earth leakage transformers.
Auxiliary power supply: 230 Vac ±20%, 50/60 Hz, 6 VA.
Output contacts: 250 Vac, 6 A.
Operating temperature: -10 ºC to +50 ºC.
Protection degree: IP 20 on terminals, IP 41 on back panel.

Standards Compliance: The device complies with IEC 62020, IEC 60755, and IEC 60947-2 (annex M).

Transformer References: Various WGC-TB transformers are available, with different sizes and minimum sensitivity levels, suitable for different applications.

Catalog excerpts

Smart earth leakage protection Electronic earth leakage residual current protection and monitoring relay (Type B) Description Electronic earth leakage current protection and monitoring relay (IEC 62020) compatible with the protection transformers of the WGC-TB series. The RGU-10B is the most complete system for monitoring and controlling electrical insulation of type-B installations (IEC 60755). Compatible with WGC-TB earth leakage transformers —— Electronic relay with relay output. —— Measures in AC, DC or mixed current, type B (IEC 60755) —— Measures the intensity of the current by connecting to an earth leakage transformer of the WGC-TB series. —— Programmable with backlit LCD display: –– Trip current (red display when tripped) –– Parameter programming –– Instantaneous leakage current –– Disconnection of external transformer —— Status signalling via 2 LEDs —— Features two independent programmable outputs (main and prealarm). —— Includes a remote-control input. —— Assembly on DIN 46277 rail (EN 50022), 3 modules. Applications Monitoring of electrical insulation in: ——single-phase or three-phase AC installations, AC installations with DC components or purely DC installations. With frequencies of up to 1 kHz. Such as, for example: ——Speed drives ——UPS (Uninterruptible Power Supply systems) ——Photovoltaic installations ——Motor control devices, etc. Technical features Monitoring Earth leakage transformer Remote control Remote test and reset possible Associated signalling element Visual or acoustic signalling devices Power supply voltage Leakage trip Prealarm Leakage current (instantaneous value) Trip current (red LCD) Parameter programming WGC-TB transformer disconnection Remote signaling Alarm Prealarm Control of the display/control element Via 2 NO/NC switched output relays Auxiliary power supply Output contacts Operating temperature Protection degree Standards Mechanical features Electrical features

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Smart earth leakage protection Electronic relay for protection and monitoring earth leakage current intensity (Type B) References Type Transformer references Type

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