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Circuit breakers aren't just there for the amusement value of watching a clustered system go into split-brain mode...

I.e. you would also want to be sure that your wiring was rated for 100% utilization, and that other circuit-breaker-like functions exist.

Fire is an actual thing, and figuring out the best way to recharge a halon system isn't exactly what you want to be doing.

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Yes. That's why they hardwire and use a breaker rated at 100%. In most jurisdiction, code requires breaker at 80% if a plug/receptacle is used. If you are hardwired you can use 100% of your capacity before tripping the breaker. You have incorrectly assumed that I suggested that you ignore breakers.

When you hardwire the circuit the electrical code allows you to use a 100% breaker.

Thank you for adding this detail... what you said makes WAY more sense to me now.

What exactly gets hardwired to what? This is surprisingly hard to search for details on.

Instead of your plug of your PDU going into a receptacle, the wires that would go into the plug are hardwired to a panel circuit breaker.

This is less common in DCs historically but more and more as folks do 208v 3phase 100A circuits.

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