- Use in unattented environments (public lighting, traffic lights plants)
- Automatic reset (max.3 attempts)
- in the event of transient ground fault
- Instantaneous (t = 0) at I Δn 30mA
- Selectable set point 30mA…30A (19 ranges)
- Instantaneous display as percentage of I Δn
- Filter for harmonics, field-selectable
- Field-selectable negative or positive security (fail safe)
- Automatic permanent test
Delta RD2B – Differenzstromrelais (4 Modul)
- Use in unattented environments (public lighting, traffic lights plants)
- Automatic reset (max.3 attempts)
- in the event of transient ground fault
- Instantaneous (t = 0) at I Δn 30mA
- Selectable set point 30mA…30A (19 ranges)
- Instantaneous display as percentage of I Δn
- Filter for harmonics, field-selectable
- Field-selectable negative or positive security (fail safe)
- Automatic permanent test
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