Overfrequency and underfrequency monitoring relays for nominal 50Hz or 60Hz circuits. Select the monitored supply, thresholds, delay and memory mode.

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NewTrend RF8-01 Frequency Monitoring Relay, 50/60Hz, 2 SPDT, 8A
NewTrend RF8-01 Frequency Monitoring Relay, 50/60Hz, 2 SPDT, 8A

NewTrend RF8-01 Frequency Monitoring Relay, 50/60Hz, 2 SPDT, 8A

40-70Hz over/underfrequency monitoring, ±0.05Hz measurement error, 0.1-10s delay and selectable memory. Nominal 50/60Hz via Y1-Y2 wiring; AC 120-277V; 2 SPDT, 8A AC-1.