AQ V211 - voltage protection IED

About product

AQ V211 offers a modular voltage protection solution for substations. Voltage and frequency protection with up to five optional I/O or communication cards and powerfull logic programming possibility make AQ V211 optimal for demanding load shedding or automatic transfer applications. The AQ V211 communicates using various protocols including IEC 61850 substation communication standard.

Protection function ANSI
Overvoltage protection DT or IDMT - U>...U>>>> 59_1...4
Undervoltage protection DT or IDMT - U 27_1...4
Residual voltage protection DT or IDMT - U0>...U0>>>> 59N
Frequency protection - f>/f>>>/f<<<< 81U/O_1...8
Fuse failure protection - VTS 60
Breaker failure protection - CBFP 50BF/52BF
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