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Short-Circuit Protection
Should a short-circuit occur in the RV, the WF-8700 Series Power Center converter will
drop the voltage output to zero volts. If the short-circuit condition is removed and no
other fault conditions are detected, the converter will resume normal operation. However,
short-circuit conditions are dangerous, and an RV will require inspection by a qualied
service technician.
CIRCUIT PROTECTION
WF-8700 Series Power Center Fuses and Breakers
DC Fuses (12 Volts)
e DC fuse boards have spaces the Branch, Battery and Reverse Polarity fuses as
described above. Should any of fuses blow, the Branch Circuit fuses and the Reverse
Battery Protection fuses should be replaced with ATC or ATO automotive type fuses such
as:
• Littelfuse type 257
• Bussmann type ATC
AC Circuit Breakers (120/240 Volts)
e AC Breaker side of the WF-8700 Series Power Center is located on the le side of the
enclosure. e WF-8700 Series Power Center accepts standard residential breakers. e
WF-8712P and WF-8725P have spaces for a 30 Amp Main and up to 3 Branch breakers
when using duplex breakers. e WF-8735P and WF-8740P have spaces for a 30 Amp
Main and up to 5 Branch breakers when using duplex breakers. A list of factory tested and
approved breakers follows. e breakers may be purchased at most big-box department
stores and home centers.
UL-Listed Main Circuit Breakers, Rated for 120V, Maximum 30A
e following breakers have been factory tested and approved for use as 30 Amp Main
breakers in the WF-8700 Series Power Center:
Manufacturer Model/Cat. No./Type
Cutler Hammer Type BR and C
omas Betts Type TB or TBBD
ITE/Siemens Type QP or QT
Square D Type HOM or HOMT
Murray Type MP-T or MH-T
General Electric Type THQL
UL-Listed Branch Circuit Breakers, Rated for 120V, Maximum 20A
e following breakers have been factory tested and approved for use as Branch breakers
in the WF-8700 Series Power Center:
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