Arc Flash ·
Inside the Switchgear
un
seel
.com · a 20,000 °C arc inside 480 V switchgear
Gap air
20 °C
Copper vapor
×1
Fault time
0.0 ms
Phase
ENERGIZED
Steel switchgear cabinet
Copper busbars A · B · C
Arc: current through plasma
Copper-vapor fireball
▶ Play
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→
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Reset
Un
seel
.com · Arc Flash