circuit breakers | Page 3

circuit breakers

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  1. F

    MEM MFL Moulded Case Circuit Breakers

    I'm currently doing a job, where I have added an additional distribution circuit and I;m trying to get hold of either a 3-pole 63Amp MEM (MFL 633) or 100Amp MEM (MFL 1003) Moulded Case Circuit Breaker. MEM now Eaton have told me that the MFL MCCBs are now obsolete and that they will not be...
  2. T

    old circuit breakers and Icn

    hi all, just working through my inspect and test books and comparing my own house to what's in the book. i've had a look at my cu and cannot for the life of me determine the rated short circuit breaking capacity of my main switch which is a wylex wsem 63/2 63A 100mA to BS4293. everything else...
  3. S

    kq or kqe circuit breakers

    I am after the above, in a type b 6A breaker and a 16A rcbo for a socket radial in a loft, does anyone know of a supplier who has these in stock, tried rs and they charge £70 for the rcbo and £11 for the 6A, I am sure they will be cheaper somewhere else, and its for a quickline 2 board if that...
  4. K

    Neff oven tripping circuit breakers

    Hi Wondering if anyone can help..... I have a 20 year old (yep, pretty old!) Neff Circotherm oven which worked perfectly well until last week, when the 13amp wall socket it is wired into "blew" - it tripped the other wall sockets in the kitchen, and resetting the circuit breakers did nothing -...
  5. Mr Mark Sparks

    air circuit breakers

    i have (as you will see from my bbc copper thieves post) 2 dorman smith air circuit breakers 1 1600 amp 1 1250 amp is there any value in these 2nd hand?
  6. C

    3 pole minature circuit breakers

    Can someone remind me Is a type 2 breaker = to a type B Can't find my file Many Thanks
  7. L

    ABB Various Circuit Breakers

    Hello all, Got some brand new unused ABB circuit breakers if anyone is interested take alook at my ebay page here to see what im selling I have loads to get rid of so if you need a bigger bunch let me know Thanks LG
  8. C

    Type 4 circuit breakers

    In a small building used as an amusement arcade the CU contains twelve circuit breakers which are probably over 20 years old. The labels show they are Square D Q0-X Type and also instantaneous trip Type 4 . Are these type 4 as referred to in the OSG as not for general use, if they are there is a...
  9. A

    Question about Circuit Breakers

    Good day, I hope I am on the right section of this forum. I have a question regarding AC and DC circuit breakers and how it affects the ARC QUENCHING side of it. I have been on numerous sites and I cannot get a clear answer. Thanks. Avin
  10. D

    circuit breakers with electronic trip units

    I would like to know more about these circuit breakers. I know how to set the overload protection(In x Io x Ir) which makes sense, but I don't understand the other optional settings. Don't worry you engineers out there, I'm not installing one. question 1) short circuit protection Im x Ir - why...

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