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Operation
Operating Limits
Power Output
The PROwatt SW Inverter will deliver the following power
continuously, depending on input voltage and ambient temperature.
The inverter will deliver more than 10% of its continuous power
rating for approximately five minutes. The inverter must cool down
for 15 minutes before it can resume operation above its continuous
power rating.
Input Voltage
The input voltage limits are shown in the following table.
Model Power
a
a.Applies to resistive loads such as incandescent lights.
Output
Current
b
b.Applies to reactive loads such as motors.
Input
Voltage
Tempera
ture
PROwatt SW 600 540 W 4.5 A
13 Vdc
Ambient
25 °C
(77 °F)
PROwatt SW 1000 900 W 7.5 A
PROwatt SW 2000 1800 W 15 A
Operating
Condition Voltage Range Comment
Normal 10.5–15.5 V n/a
Peak Performance 13–14.5 V n/a
Low Voltage Alarm Voltage is
11.0 V or less
The audible low battery
alarm sounds.
Operating
Condition Voltage Range Comment
Low Voltage
Shutdown
Voltage is
10.5 V or less.
The unit shuts down to
protect the battery from
being over-discharged.
High Voltage
Shutdown
Voltage is
15.5 V or more.
The unit shuts down to
protect itself from
excessive input voltage.
Note: Although the
PROwatt SW Inverter
incorporates over-
voltage protection, it can
still be damaged if input
voltage exceeds 16 V.
Unit restarts after
low voltage
shutdown
11.5 V The unit will not restart
unless the battery
voltage is acceptable for
running the load.
PROWatt SW Inverter NA.book Page 17 Wednesday, August 5, 2009 2:24 PM