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CIRCUIT PROTECTION
WF-68100 Series Converter-Charger Fuses
DC Fuses (12 Volts)
e DC fuse receptacle on the rear panel of the WF-68100 Series Converter-Charger has space
for 3 (three) identical Reverse Battery Protection fuses (see Figure 1 above). ese fuses should
be replaced with ATC or ATO automotive type fuses, such as Littelfuse type 257 or Bussmann
type ATC. e fuses are 35 Amp.
OPERATIONAL FEATURES
Converter Operation Modes
ree-Stage Smart Charging
e three-stage “smart” charger continuously measures the battery voltage output and regulates
the amount of charge using three modes of operation; Absorption, Bulk, and Float.
3-Stage Charging
WFCO converters of every style have become the favored brand for power conversion and
electric distribution in the RV industry. ey provide RV owners an ecient and cost-eective
method to use an AC power source and provide power to DC components inside the RV, while
charging accessory batteries at the same time.
Smart Engineering: ree Stage Charging is Better
WFCO’s automatic three-stage converters handle every charging need for the RV while extending
the battery’s life. Well-maintained batteries should never need more than two-stage (Normal and
Trickle) charging. Our third stage (Bulk) is provided for the rare times a battery needs extra power
for charging. RVs are frequently sold with at least one 12 VDC accessory battery installed. is
battery is normally a deep-cycle battery that has the ability to sustain a slower drain of power. RV
owners nd this useful when powering loads such as lights, radios, and refrigerators without being
connected to AC power or running the motorhome engine. As soon as the RV is connected to AC
power, the converter begins charging the battery as needed, while, at the same time, providing 12
VDC power to loads such as lights, radios, and refrigerators.
When the RV is connected to AC power, users frequently use the lights, refrigerators, fans, and
other electronics as they would in their home. RV users also expect the battery to be fully charged
when they want to disconnect from power and move the RV, or when they are dry camping and
turn o their generator.
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