WDF,WFF,WFN,WKN type High voltage current limiting fuseDetailed product description：

The W-type motor protection high-voltage current limiting fuse is suitable for use in power systems with AC 50Hz, rated working voltage of 3.6 and 7.2KV, rated working current up to 400 (3.6KV) and 224A (7.2KV) and below as overload or short-circuit protection for high-voltage motors and other power equipment. It can also be used in conjunction with load switches and vacuum contactors.

Technical parameters of high voltage current limiting fuses for WDF, WFF, WFN, WKN motor protection

model	Rated working voltage (KV)	Rated working current (A)	Rated current of melt (A)	Rated breaking current (KA)
WDF.0	three point six	one hundred and twenty-five	50, 63, 80, 100, 125	fifty
WFF.0	three point six	two hundred	125, 160, 200	fifty
WKF.0	three point six	four hundred	250, 315, 355, 400	50-31.5
WFN.0	seven point two	one hundred and sixty	25, 31.5, 40, 50, 63, 80, 100, 125, 160	forty
WKN.0	seven point two	two hundred and twenty-four	200, 224	forty

WDF, WFF, WFN, WKN type high voltage current limiting fuses for motor protection