[RE-wrenches] 705.12.B.(3) (b) the over-current device protecting the bus-bar

Darryl Thayer darylsolar1 at gmail.com
Wed Jun 5 22:33:48 EDT 2019


Can this overcurrent protection be the current limit of the inverter?  I
was challenged by a licensed professional engineer he said it is the
circuit breaker, I said it is the inverter.  I said I can put a 50 amp
breaker into the circuit panel with a 200 Amp bus, (125% for continuous)
on a 40 amp max output inverter.  I.e  a 9.6 kW inverter on 50 Amp breaker
bus bar protected by inverter output.
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