Self Powered Relay
ASHIDA has designed & manufactured the unique product for protection of Ring Main Units. ADR241S is a self powered relay or dual powered relay. This relay can be used in RMUs where there is no external battery backup available.
Whenever the current is not available, ADR241S relay takes power from CT Current for its operation. Once the tripping operation takes place, the relay takes power from the battery to view fault current.
ADR241S is used for protection of RMUs. Whenever there is the fault in the operations of Ring Main Units, the relay senses and stores the data. With the introduction of a communicable, the data can be communicated through SCADA systems.
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