Review and testing of three-phase voltage and current relay MRVA-3 63A EKF
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Published on Jun 22, 2022
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More interesting: https://t.me/ekf_channel Buy relay MRVA-3 63A: https://ekfgroup.com/catalog/products... Rinat Khairulin demonstrated and showed the capabilities of the EKF PROxima voltage relay, which is a microprocessor device and is designed for continuous voltage monitoring in single-phase and three-phase networks (MRVA-3) of alternating current, to protect electrical installations from voltage surges. He demonstrated how the relay monitors the voltage in the network in the set range and, when the voltage goes beyond the range, disconnects the equipment from the power supply network with a specified time delay. He also tested the relay for overload. 00:00 - What the video is about 00:50 - Purpose of the relay 01:03 - Relay structure 01:38 - Advantages of the new product 01:57 - Setting up and demonstrating work with phases 02:34 - High voltage value 02:49 - Low voltage value 03:07 - Turn-on delay 03:20 - Overload current value 04:27 - Relay operating modes: synchronous and asynchronous 05:14 - Protection against incorrect phase sequence 05:32 - Automatic error reset 06:04 - Testing the #EKF relay
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