janitza UMG 509, Operation Manual And Technical Data, Page: 89 / 124

89
UMG 509
Measurement range exceeded (overload)
If the measurement range is exceeded, it is displayed
as long as this persists and cannot be acknowledged.
The measurement range is exceeded if at least one
of the four voltage or current measurement inputs lies
outside their specified measuring range.
Threshold values for exceeding the measurement
range (200 ms effective values):
I = 7 A
rms
U
L-N
= 600 V
rms
Indication of values exceeding the measurement
range in voltage circuit L2 and in current path I4