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Specifications
A–4
153378
Over Voltage, Under Voltage and Frequency Ranges
Table A-5 provides the over voltage, under voltage, over-frequency, and under-
frequency detection limits for the GT100. These detection limits have been
factory tested and deemed to be in compliance with UL 1741 Rev 2005 and
IEEE 1547 requirements for utility interaction.
Table A-4
Over/Under Voltage and Over/Under Frequency Ranges
Vac Condition
(% of Nominal)
GT100-480-NG and
GT100-480-PG
Voltage Range
GT100-208-NG and
GT100-208-PG
Voltage Range
Trip Time
Vac < 50%
(Fast Under-voltage)
Vac < 240
Vac < 104
10 cycles
50% <=Vac < 88%
(Under-voltage)
240 <= Vac < 423ª
104 <= Vac < 184ª
2 seconds
88% < Vac <= 110%
(Nominal)
423 < Vac <= 528
184 < Vac <= 228
normal
operation
110% < Vac < 120%
(Over-voltage)
528 < Vac < 576ª
228 < Vac < 249ª
1 second
120% >= Vac
(Fast Over-voltage)
576 >= Vac
249 >= Vac
10 cycles
f < rated -3.0
(Fast Under Frequency)
f < 57.0
f < 57.0
10 cycles
f < rated -0.7
(Under Frequency)
f < 59.3ª
f < 59.3ª
10 cyclesª
f > rated +0.5
(Over Frequency)
f > 60.5
f > 60.5
10 cycles
a Adjustable, password-protected.
Summary of Contents for GT100-208
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