mcbs

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  1. C

    GEC M9 MCBs Replacement

    Hello all, I know i can still get these on ebay, but does anybody know which other brand will fit in these boards as want to buy new if possible? Will need mcbs and rcbos too if a brand fits.
  2. E

    For Sale get your wallets out, shed clearance mcbs, metal clad items etc

    MK stuff (New in package) 2x 13A DP secret key CU with neon, tamper proof key metal clad with boxes 1x 20A DP key operated switch metal clad with backbox 1x 2G 13A socket with backbox 1x Acel 2G socket enclosure ip65 1x Wiska 900x900mm JB white 1x Honeywell 8v 1A transformer 1x Aico Ei208 CO...
  3. W

    Rcbos and mcbs split load board

    hello just checking a mix of rcbos and Mcbs on the same neutral bar is this okay ?
  4. telectrix

    come back mk. your MCBs may be skewed, but this takes the proverbial

    had the misfortune to install this today. came with isolator and RCDs. no MCBs . as you can see, the guts are way out. caused by din rail being badly fixed. close on the left but 1/4" out at the right. all been wired up and fired up, so had to loose the din rail just to get cover on. got...
  5. SparkyChick

    Ashley and Rock Supasafe MCBs - BS EN Number?

    Hi all, Anyone know what the BS EN number is for these now obsolete breakers? Model number is MCB<RATING>G. I know they can be replaced with Hager gear, but I've not been able to find any clue (on the breakers themselves or on-line) about whether they are in fact 60898 apart from the odd...
  6. W

    How Is A Time Clock Wired In A Consumer Unit To Operate Contactors To Control Mcbs For The Heating

    Hi everyone, I'm very curious about economy 7 boards on electrical installations with time clock on din rail and the contactors. I have a photo to show exactly what I mean, now I want to know how does the time clock switch the contactor to allow the heaters to operate from economy 7 times, I do...
    • WestMidsElectrical
    • Thread
    • clock consumer consumer unit contactors control heating mcbs operate time unit wired
    • Replies: 4
    • Forum: Central Heating Systems
  7. P

    EICR - square D and schneider MCBs in same board

    Guys, Just a quick bit of advice. I was conducting a EICR and came across a square D board with all square D MCBs apart from 4 schneider MCBs were they must of been upgrades to the installation. Are these MCBs compatable with each other? If not am i correct in noting this as a code 3? thanks...
  8. happysteve

    Ics and Icn: debunking the myth about those little boxes on MCBs

    Eh up :) There are often two boxes on the side/front of BS EN 60898 circuit breakers, BS EN 61009 RCBOs etc, e.g.: The bottom number is often misunderstood. The top number is Icn (in amps). In this case, Icn = 6kA. The bottom number is the energy limiting class. This is referenced in...
  9. N

    WTD: Wylex nb05 20a MCBs

    Does anyone have a couple spare please? Will take 15a at a push Thanks
  10. O

    TPN Distribution Board and MCBs

    Brand New Dorman Smith Load limiter 63 12 way TPN Distribution Board. Comes with 125A Switch 13 x b6A Single pole MCB 1 x b10A Single Pole MCB 1 x b16A Single Pole MCB 11 x B20A Single Pole MCB 4 x b32A Single Pole MCB 1 X b6A tp MCB 1 x b10A tp MCB 2 x b20A to MCB Currently having a clear...
  11. A

    Question on mcbs to fit old board

    Hi, just a quick question, does anybody know if they manufacture an mcb that will fit this board ?? Thanks in advance.
    • Ashley-will101
    • Thread
    • board circuit comply device fit mcbs old question
    • Replies: 16
    • Forum: UK Electrical Forum
  12. N

    Type 2 MCBs

    Of course I have come across Type 2 MCBs in old installations but trying to buy replacements has never been easy. Does anybody still use these on new installations?
  13. A

    Crabtree bs 3871 MCBs

    Does anyone know if you can still get the Crabtree C50 MCBs bs 3871 (single phase) that are genuine and not second hand. If not do you know of an mcb that can be retrofitted into the old distribution boards.
  14. S

    Old MCBs & Rcbos wanted for cash

    Wanted any old MCBs & Rcbos want for cash. [SIZE=2]If your carrying out a DB change or upgrade, keep the old breakers as I will pay cash for them. I also by old stock left over from contracts ect. I am based in North Wales but can travel over North Wales and north west of England, I also...
  15. C

    RCD total load vs MCBs

    Hi all again. Enough with helping my friend and back to the main thing, which is back to studying. I am working on my final assessments (practice for my final L3 exam). Big 2 story house with the following requirements (protected devices given accordingly and installation method C, clip...
    • Carlos Arruda
    • Thread
    • circuit floor house mcbs rcd total
    • Replies: 15
    • Forum: UK Electrical Forum
  16. H

    use of 10ka mcbs

    Gents, Im not the most technically minded electrician in the world but could someone explain why on commercial installations its necessary to fit 10ka mcbs not 6ka throughout the installation? or mores the point, im being asked to fit a main panel and off that a few single phase domestic high...
  17. T

    mcbs and rcds

    have a selection of used rcds, mcbs and main switches (2pole + 4pole) for sale rcds are mainly chint but there are some other brands in there mcbs are a mixtureof chint lewden and mk main switches are all lewden pm me if your interested
  18. A

    New circuits, Re-wireable fuses and BS 3871 mcbs

    Hyperthetical question re Commercial Installations- If you were to be installing a new circuit and/or reconfiguring an existing circuit which was served from a Distribution Board with BS 3871 MCB's or BS 3036 Rewirable fuses, would you suggest to the client that the existing distribution board...
  19. Q

    Transformer causing mcbs to trip

    Hi. Could someone confirm weather you think I'm right or not. Today I installed a ceiling mounted suspension wire lighting track in a domestic kitchen. It's fed via a fairly chunky wire wound transformer (I don't know the kva of hand). The mcb supplying the circuit is a type b 6 amp rcbo...
  20. G

    Interchanging mcbs

    Hi guys after someone's knowledge, I wonder if Wylex mcbs rcbos etc will fit a volex cu as I have an abundance of Wylex and know that there both made by Electrium. Not after an argument about comparability and type testing just are they actually the same physical shape ? Cheers Graeme

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