ExIS – EFAR Earth Leakage Relay
The Exis EFAR relay, including the advanced Earth Leakage Relay functionality, is purpose-built for identifying earth fault currents within three-phase power systems. With integrated harmonic filtering, it ensures heightened sensitivity in earth leakage protection, catering specifically to applications involving variable speed drives and high-powered direct-on-line motor starting.
DOWNLOAD PDFExtra Information On The Earth Leakage Relay:
- Touch screen display.
- Real-time clock for date and time
- Harmonic suppression filtering
- The last two trip events were stored for interrogation.
- Internal and external test and reset facility.
- Visual display of trip level and time delay settings.
- Core balance current transformer (CBCT) integrity monitoring.
- Three CBCT size options are available, depending on the size of the cable or busbars.
General Specifications
- Supply 85-265Vac
- Two potential free contacts rated 250V 10A
- One latching relay for the control circuit
- One non-latching relay for a shunt trip
- Fail-Safe
- Fault current trip levels 30, 100, 150, 250, 375, 500, 750 & 1000mA
- Trip time delay 0, 50, 100, 250, 500, 1000, 2500 & 5000mS
- Cable CBCT 60mm I.D. option
- Cable CBCT 100mm I.D. option
- Busbar CBCT 500 x 300mm option