Description

True RMS Measurement with SPARC¹ and DCOI2 Algorithm
Auto / Manual Scroll for Real Time Display of Phase Current in (%)
LTI + 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 all phases)
Fault Start Event Memory (non-volatile 4 previous records with phase info)
Selectable Frequency (50/60 Hz)
Programmable Relay Output Contact for K2
Last Trip Elapsed Time (up to 99days)
Software Lock to Prevent Unauthorized Setting
Complies with: IEC-60255-26/27; BS EN 50121-5 Standards
ANSI Code: 50P, 51P
External Plug-in Module for :-
A-01s/A-01sp (RS-485 MODBUS RTU) isolated type