Hi all,
I just found this interesting forum. During the last 30 years I have spent my time to develop safety MV products. The latest product is a patented and typetested arc eliminator. This product solves the problems related to long arcing time. To increase the personal safety and protect the switchgear also from the pressure peak the eliminator has to close and quench the arcs in about 5ms. After an Open Arc Test with 40 kA at 13 kV and 0.5s you can still find parts of the Cu-wire used as start points for the arcs. The cubicle is clean. The arc flash could be seen just like a photoflash. Also a non arc resistant switchgear can pass the test. More about the product:
http://www.safearc.se
jankar