DELAB DP-34

– True RMS Measurement with SPARC¹ and DCOl² Algorithm
– Auto/Manual scroll for real time display of phase current & earth fault in %
– 6 Selectable IDMT Graphs + 1 DTL
– Fault/ lo-set & hi-set Trip LED Indication
– Fault Start Event Recording & LED Indication + Output³
– Pre-Alarm LED Indication + Output³
– Trip Event Memory (non-volatile 7 previous records for 3 phases + earth)
– Fault Start Event Memory (non-volatile 4 previous records with phases info)
– Programmable Relay Output contact for K2, K3*
– Last Trip Elapsed Time (up to 99days)
– Software Lock to Prevent Unauthorized Setting

External Plug-in Module (items sold separately) :
A-01s/A-01sp: RS-485 MODBUS RTU [isolated type)
A-02s: RS-485 MODBUS RTU (isolated type) + 1 output contact (K3*)
A-02sd: RS-485 MODBUS RTU [isolated type) + 1 digital output (optically isolated)
A-03s: RS-485 MODBUS RTU [isolated type) + 2 output contact (K3* & K4*) + 1 digital input (optically isolated)