Digital power meter NR30

three-phaseDIN rail

Description Destined for direct (up to 63A) and indirect measurements in 3 phase 4 wire/3 wire balanced and unbalanced systems. Measurement and recording of 54 power network parameters in 1-phase 2-wire or 3-phase 3 or 4-wire balanced and unbalanced systems. Harmonics up to 51st for current and voltage Baclit LCD screen, fully configurable by user 22 pages, 3 parameters in each 1 page with harmonics presentation Indications include the values of programmed ratios Memory of minimum and maximum values. 2 configurable alarm outputs. Mode of supervisory relay for alarm outputs – additional function To make function active, please order appropriate licence key – details in ordering code. Function can be also activated on the devices which have been alredy installed on the facility after softwate upgrade. Supervisory relay mode enables detection of following events: Voltage drop or growth Current drop or growth Phase loss Current or voltage unbalance Phase sequence User can specify: The thresholds of monitored events Monitoring of phase relay Memory of relay state Delay of switch-on/off relay Relay state after the event has occured.