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Specifications
Over Voltage, Under Voltage and Frequency Ranges
A–4
Table A-4 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)
Vac < 50%
(Fast Under-voltage)
50% <=Vac < 88%
(Under-voltage)
88% < Vac <= 110%
(Nominal)
110% < Vac < 120%
(Over-voltage)
120% >= Vac
(Fast Over-voltage)
f < rated -3.0
(Fast Under Frequency)
f < rated -0.7
(Under Frequency)
f > rated +0.5
(Over Frequency)
a Adjustable, password-protected.
This manual for use by qualified installers only
GT100-480-NG and
GT100-208-NG and
GT100-480-PG
GT100-208-PG
Voltage Range
Voltage Range
Vac < 240
Vac < 104
240 <= Vac < 423ª
104 <= Vac < 184ª
423 < Vac <= 528
184 < Vac <= 228
528 < Vac < 576ª
228 < Vac < 249ª
576 >= Vac
249 >= Vac
f < 57.0
f < 57.0
f < 59.3ª
f < 59.3ª
f > 60.5
f > 60.5
Trip Time
10 cycles
2 seconds
normal
operation
1 second
10 cycles
10 cycles
10 cyclesª
10 cycles
153379
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