3 ms·
The issue here is that interrupting a 7.2kV 50A current is not easy. If an arc ignites, it can keep the current flowing for quite a while. Long enough to kill a
by cyberax 2y ago
The issue here is that interrupting a 7.2kV 50A current is not easy. If an arc ignites, it can keep the current flowing for quite a while. Long enough to kill anybody unlucky enough to be a part of the ground fault path.