Products

Features

• True RMS Measurement with SPARC1 and DCOI2 Algorithm
• Fundamental Signal Detection3
• Real Time Display of Earth Fault in
• 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)
• 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: 50N, 51N
• External Plug-in Module for :-
  A-01s/A-01sp (RS-485 MODBUS RTU) isolated type