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Comprehensive Protection
445-0167-01-01 1–3
Comprehensive Protection
RS400 is designed to meet UL 458 and CSA C22.2 No. 107.1 safety
standards and it is compliant with FCC Class B.
RS400 comes equipped with numerous protection features to guarantee
you safe and worry-free operation.
Protection feature This protection feature…
Low voltage indication
and shutdown
Protects the battery from becoming completely discharged. The
Low Battery light indicates that input voltage is low (10.5 volts).
If the input voltage drops below 10.0 volts the RS400 shuts down
automatically and the Inverter ON light turns off. The RS400
recovers automatically when the input voltage comes up to about
12.6 volts.
High voltage shutdown Protects the RS400 by disabling the AC output when the input
voltage rises to 15.3 volts or more. The AC output is enabled
when the input voltage drops to 14.5 volts.
Over-temperature
shutdown
Disables the AC output of the RS400 when the internal
temperature rises to unacceptable levels due to higher ambient
temperature or overloading. The RS400 recovers automatically
when it cools down.
Overload protection Disables the AC output of the RS400 if the appliance connected
to the inverter exceeds the 400 watt rating of the inverter. The
RS400 will have to be reset. (See “Resetting After a Fault or
Shutdown” on page 2–9.)
Supplemental circuit
protection
Trips and disables the AC output when a current in excess of 7.5
amps is drawn from the RS400. The supplemental circuit
protector can be reset to enable the unit to operate again after
clearing the overload condition. (See “Resetting After a Fault or
Shutdown” on page 2–9.)
Short circuit protection Disables the AC output of the RS400 when a short circuit is
applied on the AC output. Once the short circuit is cleared, the
RS400 will have to be reset. (See “Resetting After a Fault or
Shutdown” on page 2–9.)
Ground fault circuit
interrupter (GFCI)
Trips and disables the output of the RS400 when a ground fault
current is detected. The output can be enabled again by resetting
the GFCI, once the ground fault is cleared. (See “Ground Fault”
on page 2–9.)