3-phase monitoring relay for phase loss, sequence, over and undervoltage, over and underfrequency, nominal range 600-690 V AC, delay on alarm 0.1-30 s, 2 SPDT relay outputs, 45 mm DIN-rail housing
3-phase monitoring relay for phase loss, sequence, over and undervoltage, over and underfrequency, nominal range 600-690 V AC, delay on alarm 0.1-30 s, 2 SPDT relay outputs, 45 mm DIN-rail housing
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