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Isolating transformer help

MrJack96
fbfff694442d96ab55a4ca1cf11d99ce-huge-2f44b3c6-e82b-49a0-b1bd-1df87196400c.jpg36db8eb65df624d194c4f0d38bc9d37e-huge-858d560a-6a7b-4127-9383-db090315f918.jpg5829e0bca8ccbe2f8ca57ff4780fc9b2-huge-19d0edbf-ea01-407a-9fc4-6ac2c9c6ba51.jpgHi guys I have seen an isolating transformer feeding a single phase pump on site and am unsure if it should be isolated. I can see they have tied the 0v on the 110v side to earth just not the 240v Can anyone give me some advice. Here are some pictures. 


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    I presume it is a 110V pump with a  controller that needed a supply with a live and a neutral 110V apart,  rather than the centre earthed 55-0-55 that you often get given in the UK when you ask for 110V .

    As such, if that is the case,  it is a perfectly good way to do it, assuming the wattages are OK and it runs cool.


    Mike.
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  • 0
    I presume it is a 110V pump with a  controller that needed a supply with a live and a neutral 110V apart,  rather than the centre earthed 55-0-55 that you often get given in the UK when you ask for 110V .

    As such, if that is the case,  it is a perfectly good way to do it, assuming the wattages are OK and it runs cool.


    Mike.
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