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MV Switch Fuse data plate

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asymptote

asymptote

Electrical
Jul 15, 2003
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Hi Forum.
Can any one offer an explanation of the following data taken from Ormazabal CMP-F 36kV switch fuse.

"Ip/Ik ; 20/50kA (after fuse 1/25kA) tk ; 3 s"
 
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