Earth Fault Relay (Inverse Definite Minimum Time – IDMT)

Delab – Earth Fault Relay – DP-31

Category:
Current Input (•n) ../5A or ../1A
Frequency Software selectable 50 or 60 Hz
Burden <0.3 VA @ •n
Output Relay Rating SPDT 5A, 250V AC/DC
Display 7-Segment LED (3 + 1digit)
Indication (LEDs) mA, pre-alarm, fault, fault start event,
lo / hi trip
Operating Temp. 0ºC ~ +55ºC
Humidity 56 days at 93%RH, 40ºC non-condensing
IP Rating IP54 (front panel)
Weight 230 g
PARAMETER SETTING
•>: lo-set 2% ~ 100% (step of 1%)
TM >: lo-set time Multiplier 0.05 ~ 1.00
(step of 0.01, 5 IDMT + 1 DTL)
•>: lo-set trip delay time 0.03s~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-set OFF or 20%~1000% (step of 10%)
•>>: hi-set trip delay time 0.03s~0.5s