Part No.: 84903020 ( EMWS ) Control of 3-phase networks : phase sequence, total phase failure
Multi-voltage from 3 x 208 to 3 x 480 V AC Controls its own supply voltage True RMS measurement LED status indication
Application: Phase control relay normally integrated in
control panels of medium/large size of industrial chiller, compressor and
elevator, and the function of phase control relay is to monitor the presence
and correct sequence of the 3 phases before starting to operate, if the
compressor or elevator motor starts rotating in the wrong direction, there will
have the risk of damaging. This is kind of devices protection components.
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