All Rights Reserved. A 1500-watt heater on a 120-volt circuit thus needs a breaker of 15.6 amps. I would get a 110amp fuse. Class T Fuse Holder, 400 AMP Fuse and two battery cables. The whole block turns on and off with the key. i appreciate your time. what size? lol. What size speaker wire should i run to 1000 watt rms subwoofer? P (Power in Watts) / V (Voltage) = I (current in Amps) Note that you should always ensure that you round it up if it is not a whole number. Most of the 1000 watts of current will be restricted by the additional resistance of 8 ohms and the amplifier would more likely be delivering 250-watts to the subwoofers when wired in this fashion. Yet they still advertise this as a 3,000-watt amplifier. But what if you have a current draw that is greater than one value of fuse but less than another (i.e. You would need at least a 70 amp fuse if you are talking about 1k watts rms. If you are a 50A fuse is as high as you should … in case you have 4 gauge you may flow as severe as 125A, yet 60A is as severe as you ought to flow. you ought to be working a minimum of 8 gauge cord. An 80 amp in the distro for the 1000 watt amp, and 60 amp in your distro for the 800 watt amp. According to the NEC, a #1/0 AWG copper wire with 90°c insulation is rated for 260 amps, with the maximum fuse size being 125% of the rating. Will my 8 gauge amp cable run a 1000 watt and a 500 watt amp? Most home circuitry is done with #14 wire. In this case you have the option of either choosing a 125 amp fuse or a 150 amp fuse. Use 150-amp fuse for 1000 watt power inverters Use 200-amp fuse for 1500 watt power inverters Use 250-amp fuse for 2500 watt power inverters Place fuse on top of bottom washer on both posts. 85A u Think? 135 amp)? Example: 60 amps (the 2 30amps fuses on the 4channel) + 50 amps (rf prime 500 watt used for example) = 110 amps which is over the 100 amps rated for the 4ga. Is it possible to make calls from your iPhone through a Sirius stereo system in a car? Mega Fuses are bolted onto a suitable Mega Fuse fuse holder such as the 300 Amp rated unit pictured above which cost under £ in the UK. Because a 15-amp breaker would be too small, you need a breaker with the next highest rating, which is 20 amps. Place connector on short red wire on fuse end on post nearest battery. in case you're a 50A fuse is as severe as you ought to flow. I ran 4 awg to the cage then split it to two 8 awg wires one for my amp fused at 40 amps then the other 8 awg is fused at 50 amps and runs to a heavy duty solenoid then to the fuse block.. Smaller sized inverters generally come with a short 6 AWG cable which is included with the inverter. For instance, if you have 1000-watt inverter connected to12-volt battery bank 1000(inverter size)/12 volt (battery bank) = 83.33A x 1.25(safety factor) = 105 Amps, so would recommend a 150A fuse. 4 AWG Battery Cables Four AWG battery cables should be used on power inverters rated up to 1500 watts and most commonly used on 900, 1000, 1100, 1200 watt inverters. ~I have a California 600watt amp installed in my car now. Similarly, what size fuse should I use for 4 gauge wire? ~I have a 1000watt amp arriving tomorrow. Inverter Fuse Blocks operate on all 12, 24, 32, or 48-volt inverter battery systems. Still have questions? If that is the rms wattage you will need a 140 amp fuse (your will need an ANL fuse and holder) at your battery. how to i figure out how many amps  my generator is putting out? I'm putting together a 12v solar battery system using a 100AH AGM battery, 1500 watt inverter, 20A charge controller with a couple 100 watt solar panels to provide power to a box trailer used for tools and such. What did women and children do at San Jose? February 27, 2019 Paul. ~The power wire with inline fuse coming from the battery to the amp is a 30A.....with my california 600watt amp. techniques like which could deliver approximately motor vehicle fires. Go Power! 1 watt is equal to 1 volt times 1 amp. in spite of the dimensions of the amp the fuse on the potential cord might properly be no greater contemporary than the cord can accurately furnish. Then we dig a little deeper and we find out that the amplifier only has a single 40-amp fuse. A 3,000-watt amplifier and 60 amp in the distro for the 800 watt amp rated for to. 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