Distribution Flashcards
1
Q
How is a mcb diffused
A
The arc goes through a V splitter plates
The V plates lengthen the arc it then splits cools and de inosise and extinguishes the arc
2
Q
Name 3 characteristics that need considered when selecting supports for busbar systems
A
Must be able to withstand expansion
Mechanical forces of short circuits
Must be able to withstand heat
3
Q
Avantages of Mcbs over fuses
A
Mcbs are safer
Respond faster to short circuits and and overloads
Cheaper in long run
Dint neeed to be replaced after trip
