Features

Protection Functions:

• Three-phase over-current protection INST, DT or IDMT (ANSI 50/51)

• (Sensitive) Earth fault protection stages INST, DT or IDMT (ANSI 50N/51N(S))

• Breaker failure protection (ANSI 50BF)

• Cold-load pick-up block (ANSI 68)

• Current transformer supervision (ANSI 60L)

• Current unbalance/broken conductor protection stages INST, DT or IDMT (ANSI 46 /R/L)

• Harmonic over-current protection/inrush blocking stages INST, DT or IDMT (ANSI 50H/51H/68)

• Switch onto fault logic (SOTF)

• Thermal overload protection (line) (ANSI 49L)