No sir. Inetdog explained why. Your Inverter would burn up or shut itself down before the fuse operates.
I do understand the cost issue of the MRB fuses. They are expensive as you have discovered. Shop around, Blue Sea is not the only source for them. Any RV/Boat shop, Cabell's, Bass Pro, and even some Walmarts and Automotive places have them. Even cruise Ebay and Amazon for them. If you are uncomfortable with 150 amps, bump it up to 175 amps.
If you are going to error, do so on the side of caution. Too small is better than too large. I am confident 150 amps is the sweet spot. As I said earlier assuming your 4/0 cable is copper, 90 Degree Insulation, you can go to 225 amps, but I think those will be higher cost than 150. Go find out, I am not going to do all the work for you unless you send me a check for 15% of your total installation cost is my standard fee. .
I do understand the cost issue of the MRB fuses. They are expensive as you have discovered. Shop around, Blue Sea is not the only source for them. Any RV/Boat shop, Cabell's, Bass Pro, and even some Walmarts and Automotive places have them. Even cruise Ebay and Amazon for them. If you are uncomfortable with 150 amps, bump it up to 175 amps.
If you are going to error, do so on the side of caution. Too small is better than too large. I am confident 150 amps is the sweet spot. As I said earlier assuming your 4/0 cable is copper, 90 Degree Insulation, you can go to 225 amps, but I think those will be higher cost than 150. Go find out, I am not going to do all the work for you unless you send me a check for 15% of your total installation cost is my standard fee. .
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