Specification of DP-31 Earth Fault Relay
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TECHNICAL DATA
Current Input (•n)../5A or ../1AFrequencySoftware selectable 50 or 60 HzBurden<0.3 VA @ •nOutput Relay RatingSPDT 5A, 250V AC/DC Display7-Segment LED (3 + 1digit)Indication (LEDs)mA, pre-alarm, fault, fault start event,
lo / hi tripOperating Temp.0ºC ~ +55ºCHumidity56 days at 93%RH, 40ºC non-condensingIP RatingIP54 (front panel)Weight230 gPARAMETER SETTING •>: lo-set 2% ~ 100% (step of 1%)TM >: lo-set time Multiplier0.05 ~ 1.00
(step of 0.01, 5 IDMT + 1 DTL)•>: lo-set trip delay time0.03s~20.0s
0.03s~0.10s (step of 0.01s)
0.10s~1.00s (step of 0.02s)
1.0s~20.0s (step of 0.1s)•>>: hi-setOFF or 20%~1000% (step of 10%)•>>: hi-set trip delay time0.03s~0.5s
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