- Insulation monitoring up to 440 VAC
- RESET pushbutton (only for RI-R22 and RI-R38)
- Indication of functioning instrument
- Low insulation LED
- TEST pushbutton
- TRIP threshold setting (only for RI-R22 and RI-R38)
Measure, Counters, Signalization > Insulation monitoring relays > RI-F22 | RI-R22 | RI-R38