breakers | Page 8

breakers

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  1. H

    Air Circuit breakers

    Hi Everyone , i havnt fitted one of these before and i need to do so as a retrofit into and existing panel board. the reson for this is a down grade in their load and therefore i wish to fit a protective device to protect the current wiring against the new lower load. I also intend to fit a...
  2. E

    Prospective Fault Current

    I recently fitted a dual RCD MK board in a house. Everything has tested out fine but I was a bit concerned about the following readings. Ze is 0.03 ohms and the PFC is 7.3 KA. The supply transformer is just over the yard wall. The breakers in the board are rated at the usual 6.0 KA. Do you...
  3. S

    PV/RCD problem

    Hello, This one is a real head scratcher and I would appreciate any help. We have installed a 4kw PV system in a field. We ran a 10mm 3 core SWA from the inverter in the field down to a DB in an outbuilding. The outbuilding DB is a 10 way Wylex with a 100 amp main switch. The cable...
  4. 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...
  5. M

    Crabtree C50 breakers.

    HI all, what BS number is the crabtree c50, if there is one? are thay acceptable as PIR reports, say a sub main 16 amp feeding a caravan ( fixed static ) with an old ELCB? any thoughts regards P.:crazy:
  6. 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...
  7. 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...
  8. J

    crabtree breakers

    Hi crabtree starline rcbo,do they fit a crabtree polstar board,they look the same din fitting but only looking at pictures on ebay . many thanks.jonsey
  9. B

    Adjustable breakers

    In the case of adjustable breakers which value goes in the column for protective device i.e. if it a a 200a breaker and it has been tuned down to 180a?
  10. K

    " Heads Up " on electrium breakers !!

    Hi folks, Had a call out this afternoon to a domestic property fitted 18 months ago with a replacment c.u. and sub main to garage from dedicated breaker in the same c.u. Db1 was wylex 6 way c.u.with 100 amp incomer, sub was 6mmt+e from main box on 32 amp rcbo, TT earetrhing and Ra was 17.8...
  11. T

    Test Sheet Query - 3 phase 60898 breakers

    Hi folks! I have just done a PIR on an industrial unit and found a couple of faults (mainly from the design stage which have caused me some issues when testing). Im in the 4th year of my apprenticeship so im constantly coming across new things! However, this particular problem is that a 3...
  12. H

    Domestic Cu's

    Hi Guys, just wondered what everyone thought was the best domestic consumer unit in your experience and what would you put in your house. Looking to re-wire my house and don't know whether to go with wylex or mk. thanks Craig
  13. R

    What breakers fit Proteus boards?

    Hi all, I know there was a post about this the other day but I can't find it. Does anyone know what breakers fit Proteus boards? Got some additions to do tomorrow and I forgot to look at the form factor of the breakers, and I'm certainly not going to go into a bloody City to buy Proteus tosh...
  14. C

    Short Circuit Capacity ratings of Various BS Fuses / breakers

    Does anyone have a definitive list for the KA ratings of the various BS fuses/breakers please. Thanks in Advance
  15. P

    Square D KQ breakers.

    Ive got 8 No. 3 phase breakers: 3 C32's 1 D63 4 C16'S All in immaculate condition, the 4 16's are boxed and litterally brand new, put in a new install and machine start up current was tripping the breaker so swapped them for D type's. I also have single phase: 2 B32'S 1 B06 Looking for...
  16. 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 -...
  17. G

    Record breakers!!!

    There are 553 people online right now, 20:57, 12/102010....a new record.:cool:
  18. Y

    IEC EN breakers.

    At the risk of sounding dumb - are breakers to EIC EN 60898 acceptable in domestic buildings. I am use to fitting BS EN, but the customer has supplied an IEC EN board, an was just wanting to make sure this standard is ok. Thanks.
  19. P

    HAGER breakers

    I am installing a 'spur' and I have done all the work but the last connection (the live) to the breaker is causing me a problem. It is a HAGER MTN132 - my problem is that I cannot see where to loosen the wires already in place in the consumer unit. The two screws that are showing are very tight...
  20. 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?

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