Sunways NTX3000, User Manual

Page: 50 / 56

10 Technical data
50
Nominal voltage Trip limit Trip voltages
line to neutral Trip voltages
line to line Trip times
277 V
50% Adjustable
138.5 V~263.2 V
(default 138.5 V) 0.01 s
88% Adjustable
152.4 V~263.2 V
(default 243.8 V) Adjustable
0.16 s~10 s
(default 1.67 s)
110% Adjustable
290.9 V~318.6 V
(default 304.7 V) Adjustable
0.16 s~10 s
(default 0.83 s)
120% Adjustable
290.9 V~332.4 V
(default 332.4 V) 0.01 s
Note:
The intervals result from the measuring accuracies
listed below:
Trip limit accuracy: ±2% of nominal grid voltage;
Trip time accuracy: ±33.0 ms;
Trip frequency accuracy: 0.1 Hz.