EVR AUTOMATIC RECLOSER
http://www.entecene.co.kr
37
EN
HANCED
TEC
HNOLOGY
Actually since most faults are considerably lower than the maximum fault current and number of
faults are considerably fewer than the guaranteed number of faults.
The service life is expected to be much longer than the contact life of vacuum interrupter calculated
by the amount of contact wear. Thus it keeps the operation of recloser to be satisfactory.
The data of the anticipated contact life and mechanical operation shows as follows;
Table 7-1. Contact life of vacuum interrupter
Contact life
Model
Mechanical operations
Rated load
Maximum fault current
EVR
1
10,000 10,000 100
EVR
2
10,000 10,000 100
EVR
3
10,000 10,000 100
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