Installation manual

Specifications
A–4 152936
This manual is for use by qualified personnel only.
Over Voltage, Under Voltage and Frequency Ranges
Table A-4 provides the over voltage, under voltage, over-frequency, and under-
frequency detection limits for the Xantrex GT250 E. These detection limits have
been factory tested and deemed to be in compliance with requirements for utility
interaction.
Table A-4 Over/Under Voltage and Over/Under Frequency Ranges
Vac Condition
(% of Nominal)
Voltage Range
50Hz
a
a.Adjustable, password protected
Voltage Range
60Hz
a
Trip Time
Low Range
87% < Vac < 103%
275 < Vac < 325 275 < Vac < 325 100 ms
Low Default
90% < Vac
283.5 < Vac 283.5 < Vac 100 ms
High Range
97% < Vac < 113%
305  Vac <355 305  Vac <355 100 ms
High Default
110% < Vac
346.5 < Vac 346.5 < Vac 100 ms
50 Hz Low Range
-2.0 < f < 0.5
48.0 < f < 50.5 2 cycles
50 Hz Low Default
-1.0 < f
49.0 < f 2 cycles
50 Hz High Range
-0.5 < f < 2.0
49.5 < f < 52.0 2 cycles
50 Hz High Default
1.0 < f
51.0 < f 2 cycles
60 Hz Low Range
-0.5 < f < 0.5
59.5 < f < 60.5 2 cycles
60 Hz Low Default
-0.5 < f
59.5 < f 2 cycles
60 Hz High Range
-0.5 < f < 0.5
59.5 < f < 60.5 2 cycles
60 Hz High Default
-0.5 < f
60.5 < f 2 cycles