Frerr ELR.png

FRER ELR Range
Earth Leakage Relay

FRER offer a comprehensive range of Earth Leakage Relays suitable for Industrial & Mining applications.

Application
•    DIN of Facia mount
•    Standard 72x72mm or compact 48x48mm size
•    Wide range AC/DC Aux supply input options
•    Continuous digital indication of the leakage
current: total RMS, AC fundamental, AC high frequency 
•    Multi colour display
•    Logging of the last 10 events
•    Internal clock with battery backup
•    RS485 Modbus RTU (optional)
•    Selectable anti-fibrillation filter with fire protection 300mA
•    Selectable 3rd harmonic filter
•    Selectable current & delay settings (30mA to 5A) relay dependent
•    AC measurements up to 10kHz
•    Selectable NE or NDE state