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3 phase monitoring relay

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detects phase failure, phase sequence
and phase asymmetry

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detects phase failure with regenerated
voltage present

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3 selectable base modes

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3 selectable voltage measurement functions

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automatic and manual reset selectable

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alarm memory function

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selectable measuring range (300-500V)

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alarm memory function

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DPCO alarm relay

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LED indicators for power supply, alarm, output
relay status, reaction timer and setting error

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22.5mm DIN rail mount housing