1662/1663/1664 FC
Users Manual
86
RCD Tripping Current (I
Δ
N) Measurement/Ramp Test
Current Range Step Size
Dwell Time Measurement
Accuracy
Type G Type S
30 % to 110 % of
RCD rated current
[1]
10 % of I
Δ N
[2]
300 ms/step 500 ms/step
±5 %
[1] 30 % to 150 % for Type A I
∆ N
>10 mA
30 % to 210 % for Type A I
∆ N
= 10 mA
20 % to 210 % for Type B
Specified trip current ranges (EN 61008-1):
50 % to 100 % for Type AC
35 % to 140 % for Type A (>10 mA)
35 % to 200 % for Type A (≤10 mA)
50 % to 200 % for Type B
[2] 5 % for Type B
Phase Sequence Test
Icon
icon. Phase Sequence indicator is active.
Display of Phase Sequence
Displays “1-2-3” in digital display field for
correct sequence. Displays “3-2-1” for
incorrect phase. Dashes in place of a number
indicate a valid determination could not be
made.
Mains Input Voltage Range
(phase-to-phase)
185 V to 500 V
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