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Bigfoot2005

Canada

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Joined: 08/23/2005

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Posted: 08/20/19 09:59pm Link  |  Quote  |  Print  |  Notify Moderator

Thanks to everyone for your help and input.

I am also wondering what sort of fuse do you guys use? I am use to installing car stereos and using ANL inline fuse. Will these also work with for inverter protection? Looking at a 200 amp inline fuse with 2/0 welding cable.

GordonThree

Northern Michigan

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Posted: 08/21/19 05:54am Link  |  Quote  |  Print  |  Notify Moderator

Spend a bit more and get a class T fuse and holder. Look at the short circuit current of your battery bank and the interrupt capability of the fuse.


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ktmrfs

Portland, Oregon

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Posted: 08/21/19 09:11am Link  |  Quote  |  Print  |  Notify Moderator

GordonThree wrote:

Spend a bit more and get a class T fuse and holder. Look at the short circuit current of your battery bank and the interrupt capability of the fuse.


x2. and mount it as close to the battery as possible.


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time2roll

Southern California

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Posted: 08/21/19 09:40am Link  |  Quote  |  Print  |  Notify Moderator

200 amp ANL is fine. I would go a little tighter with Class-T with 150 amps.


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MEXICOWANDERER

las peñas, michoacan, mexico

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Posted: 08/21/19 12:48pm Link  |  Quote  |  Print  |  Notify Moderator

Too tight of protection may blow a fuse. How? Inverters are rated for overcurrent to start a load that draws a lot more than nameplate design. My recommendation if to check with the manufacturer or vendor.

My Trace is rated to start stuff to nameplate rating times eight.

Bigfoot2005

Canada

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Posted: 08/21/19 12:52pm Link  |  Quote  |  Print  |  Notify Moderator

MEXICOWANDERER wrote:

Too tight of protection may blow a fuse. How? Inverters are rated for overcurrent to start a load that draws a lot more than nameplate design. My recommendation if to check with the manufacturer or vendor.

My Trace is rated to start stuff to nameplate rating times eight.


Manufacturer recommends 200 amp T fuse for the 1500 watt inverter

MEXICOWANDERER

las peñas, michoacan, mexico

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Posted: 08/21/19 01:41pm Link  |  Quote  |  Print  |  Notify Moderator

Then so be it. They are the Supreme Court. Cheap inverters have little or no reserve punch and the manufacturer knows their product. [emoticon]

time2roll

Southern California

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Posted: 08/21/19 01:58pm Link  |  Quote  |  Print  |  Notify Moderator

Class-T will pass 2x rating for 60 seconds. That 1500 would have to draw 300 amps for a full minute to open. Not going to happen during normal operation. Check Blue-Sea graph.

Bigfoot2005

Canada

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Posted: 08/21/19 02:05pm Link  |  Quote  |  Print  |  Notify Moderator

time2roll wrote:

Class-T will pass 2x rating for 60 seconds. That 1500 would have to draw 300 amps for a full minute to open. Not going to happen during normal operation. Check Blue-Sea graph.


Not sure what you are saying. The manufacturer recommends the Class T fuse rating of 200 amps for their 1500 watt inverter.

1100 – 1800W inverters 200 amp #2 AWG

time2roll

Southern California

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Posted: 08/21/19 02:45pm Link  |  Quote  |  Print  |  Notify Moderator

200 class T is fine. I would use 150 amp. That is all I am saying.

GP also say #2 wire and 2/0 is getting installed.

[image]

https://www.bluesea.com/products/5112/Fuse_A3T___Class_T_110_Amp

Ampacity of #2 with 105C insulation is 210 amps
Ampacity of 2/0 with 105C is 330 amps

http://www.genuinedealz.com/voltage-drop-calculator

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