Quick confirmation on battery to inverter wire size and breaker

The breakers are OEM standard breakers from Chint. I can grab the model number on Monday. They are connected to the positive output of the battery. They will trip for anything exceeding this threshold upstream from them.
But will they extinguish the arc of a dead short?
This video time stamp gets to point that many of us are concerned about.
 
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Am late to this conversation.

The CHINT NXB 125 appears to be a 125 A 400 V 50 Hz breraker:

FWIW, POD
 
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