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Volts or wattage? Inverter question.

Discussion in 'Ask An Owner Operator' started by feldsforever, Jun 5, 2020.

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  1. Jun 5, 2020 #1
    feldsforever

    feldsforever Road Train Member

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    The inverter in question is already in stalled, what do I need to look at to find out what I can plug into it with out hurting it or my items I want to buy. Example below.
    In the 2014 cascadia I was driving. If I plugged my cooler into the charger port, it would blow a fuse almost every time. But I could use my little water boiler all day with no issues.
    Bringing this up to some non wiring professional friends. They mentioned. I need to look at something. I'm just naturally assuming it may be the same?
     
    feldsforever, Jun 5, 2020
    feldsforever, Jun 5, 2020
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  3. Jun 5, 2020 #2
    sirhwy

    sirhwy Medium Load Member

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    You need to know the max wattage of the inverter, and the max wattage of the appliance you want to run. Obviously the max wattage of the appliance must be less than the max wattage of the inverter.

    amps x volts = watts.
     
    sirhwy, Jun 5, 2020
    sirhwy, Jun 5, 2020
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  4. Jun 5, 2020 #3
    feldsforever

    feldsforever Road Train Member

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    Thank you. I didnt know that. I really thought it was plug and play.
     
    feldsforever, Jun 5, 2020
    feldsforever, Jun 5, 2020
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  5. Jun 5, 2020 #4
    uncleal13

    uncleal13 Road Train Member

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    Also items that have a motor in it, such as a refrigerator, need way more power to start the motor. The inverters peak wattage has to be able to handle it.
    My fridge runs on less than 150 watts, but requires almost 1200 watts to start it. Some motor designs need 10 times the power.
     
    uncleal13, Jun 5, 2020
    uncleal13, Jun 5, 2020
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  7. Jun 5, 2020 #5
    truckdriver31

    truckdriver31 Road Train Member

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    use 117 volts x amps = watts. so if u use a 700 watt microwave. it would draw 5.9 amps. so when your looking at a inverter. try to find the amps then use formula above
     
    Last edited: Jun 5, 2020
    truckdriver31, Jun 5, 2020
    truckdriver31, Jun 5, 2020
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  8. Jun 5, 2020 #6
    truckdriver31

    truckdriver31 Road Train Member

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    its called start up amps. only things with compressors have it. once it starts up then it goes to running amps. always look at the UL sticker first.
     
    truckdriver31, Jun 5, 2020
    truckdriver31, Jun 5, 2020
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  9. Jun 5, 2020 #7
    truckdriver31

    truckdriver31 Road Train Member

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    see that full load 3.5 amps. thats 409 watts it uses. so a 1500 watt inverter will cover it DF9316F0-F25F-43BE-8C67-2E3F9A125ED1.jpeg
     
    truckdriver31, Jun 5, 2020
    truckdriver31, Jun 5, 2020
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  10. Jun 5, 2020 #8
    feldsforever

    feldsforever Road Train Member

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    So the inverter watts has to be higher. Thanks every one who responded. It helped a lot and that picture drove it home. Gonna hit the interweb and see if o can find a hot plate. Will update later.

    Thanks again
     
    feldsforever, Jun 5, 2020
    feldsforever, Jun 5, 2020
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  11. Jun 5, 2020 #9
    feldsforever

    feldsforever Road Train Member

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    Wow
     
    feldsforever, Jun 5, 2020
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  12. Jun 7, 2020 #10
    feldsforever

    feldsforever Road Train Member

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    I can't take a picture because of the angle. But reads as follows:

    Freedom. HF

    Phillips

    40-fl10-590
    15 amp
    120 volt
    1800 watt
     
    feldsforever, Jun 7, 2020
    feldsforever, Jun 7, 2020
    #10
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