Help with AC Disconnect for 3-String Micro Inverter Based System

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Zee

Senior Member
Location
CA
And how often do you find a panelboard with an MCB that is significantly smaller than its bus?

Depends on who is asking:roll:

Often, I indicate the following on the single line diagram of my permit drawings:
(E) MSP, 200 A rated
(E) 2p175A Main Breaker

(N) 2p60A PV breaker

You can bet the 2p175A breaker will be existing when the inspector gets there.
 
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