EK6-12 is the earthing switch which has removed the red insulator for JN15-12/31.5 ,then we call it EK6 ,this is of new type indoor use air compressed AC high voltage load switch for breaking and making the circuit of 50Hz,12K.V system unde rated loading and short circuit current.
Specification |
Unit |
Data |
||
rated voltage |
KV |
12 |
||
Rated short time withstand current |
KA |
31.5 |
||
Rated short duration |
S |
4 |
||
Rated short-circuit current |
KA |
80 |
||
Rated peak withstand current |
KA |
80 |
||
center distance between poles |
mm |
150, 210, 230, 250, 275 |
||
Rated insulation level |
1min power frequency withstand voltage |
KV |
on the ground, and white /very room |
42/48 |
lightning impulse withstand voltage |
75/85 |
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