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The Viking VNXF4A is the 4 amp fuse for the charging circuit on the VFlex control board. It protects the battery charging circuit on Viking operators built after 2013. Check this fuse when the batteries do not charge. Replace a blown fuse with the same 4 amp rating. Fits L-3 H-10 K-2 T-21 F-1 R-6 Q-7 (VFlex) Before You Order Use only a 4 amp fuse in the charging circuit holder. The motor circuit uses a separate fuse: 15 amp VNXF15A on most models, 20 amp VNXF20A on the H-10. Find out why the fuse blew before you replace it.
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🇺🇸 Ship from USA · On Agora since 2026
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