DELAB DP-31

DELAB IDMT Earth Fault Relay DP-31
(Flush mounting type)

External Plug-in Module for:-
A-01s / A-01sp (RS-485 MODBUS RTU) isolated type


* SIRIM tested comply to – IEC-60255-26/27 ; BS EN 50121-5 Standards

– True RMS Measurement with SPARC1 and DCOl2 Algorithm
– Fundamental Signal Detection3
– Real Time Display of Earth Fault in (%)
– 6 Selectable IDMT Graphs + 1 DTL
– Fault/ lo-set & hi-set Trip LED Indication
– Fault Start Event Recording & LED Indication + Output4
– Pre-Alarm LED Indication + Output4
– Trip Event Memory (non-volatile 7 previous records)
– Fault Start Event Memory (non-volatile 4 previous records)
– Programmable Relay Output contact for K2
– Last Trip Elapsed Time (up to 99days)
– Software Lock to Prevent Unauthorized Setting

External Plug-in Module for:-
A-01s / A-01sp (RS-485 MODBUS RTU) isolated type

Model Description
DP-31-220a-5A Earth Fault Relay IDMT (CT…5A) 65~275Vac (45~65Hz), 90~300Vdc
DP-31-220a-1A Earth Fault Relay IDMT (CT…1A) 65~275Vac (45~65Hz), 90~300Vdc
DP-31-024d-5A Earth Fault Relay IDMT (CT…5A) 18~72Vdc
DP-31-024d-1A Earth Fault Relay IDMT (CT…1A) 18~72Vdc
For any technical support, kindly refer to Delab Scientific Sdn Bhd
Contact Person: Mr. Jeffrey Yap (H/P : 019-318-8313)
Tel : 03-62726527
Fax : 03-62726915