mcb's

mcb's

Recent contents View information Top users
  1. W

    UK Hi, do Eaton Memshield mcb's fit the previous Eaton split load boards?

    Hi, do Eaton Memshield mcb's fit previous version of Eaton split boards code (EAD32b) for example?
  2. HappyHippyDad

    Do Wylex RCBO's fit as a replacement for NSB MCB's?

    I may well need to change all the MCB's for RCBO's in this board (see picture). Do Wylex RCBO's fit in this board? It is currently fitted with NSB MCB's. Also, Wylex seem to do a few different RCBO's. Do they all fit, especially the new compact range? I'll expand a little on the problem...
  3. A

    Can multiple motors share 1 mcb.

    Hi, I am installing 24 No 2.2Kw 3Ph motors that will drive cooling fans. The plant room for the install is not what you would call spacious so trying to keep everything as tight as possible within reason. The motors are all controlled through an automated system which feeds back to an...
  4. B

    MWC for changing MCB's to RCBO's

    I've just had a EICR completed and it has C2's for cables concealed, in walls at a depth less than 50mm, containing metal parts and no RCD(s) provided for additional protection. All the circuits are for night storage heaters and come from a seperate DB on night tariff and where installed in...
  5. T

    oversized MCB's

    I am an electrician nearing retirement, so really I should know this but am not sure. I have not done any installation or real heavy electrical work for some years now. I have a small business, dealing with the maintenance of student accommodation buildings. Electrical, plumbing, carpentry...
  6. HappyHippyDad

    Will modern hagar MCB's fir this board?

    Morning... I have 2 faulty MCB's in this consumer unit (see picture). Will modern hagar MCB's fit or will I need to source the same as in the picture? Cheers all. 1600767452 Just pop in a cheeky link to @westward10 as he will definitely know! :D
  7. J

    Swapping out these MG MCB's for RCBO's

    Hi all Not come across this MG board before (believe Schneider now own these and some of there stuff may be compatible) I am looking to change some of these MCB's over to RCBO's can anybody advice on which ones may be compatible seems theres limited information online. Thanks
  8. D

    Selling old MCB'S and RCBO's

    Hello everyone, I have a garage full of electrical gear as i'm sure many of you do, various bits left over from jobs. Part on my lifelong mission is to keep getting bits out and not just getting gear in, as it's all money! So i literally have thousands of old MCB's, RCD's, RCBO's fuses...
  9. Bubbler Bob

    Upgrading Older Style Wylex Type B MCB's to BS EN 60898

    hanks Hi new member here wishing some advise! I've a 6 Way Consumer Unit with Wylex Type B (WYB Series, BS3871) Push In/Pop Out style MCB's, which is working with no known faults. Utilising 2 x 5A MCB's re front & rear ceiling light circuits, and 2 x 30A MCB's re front & rear power socket...
  10. G

    Can't reset the RCD with any MCB's on - Faulty RCD?

    We’ve had a few power glitches/cuts recently by our supplier. Each time, on power restoration our RCD has tripped. Irritatingly we were on holiday when it happened last - not good for frozen food! When we had an extension 3 years ago some changes were made to the consumer unit and a new RCD was...
  11. M

    What are Proteus MCB's made of, solid gold......

    Im not a big user of CEF, so I don't expect the best pricing, however this is surely taking the mick............ Its just a bog standard Proteus 6A MCB. Imagine the cost if I needed a full board of these......
  12. haptism

    LSN circuit breakers

    Today I come across some mcbs in a CU ive never seen, theyre made by LSN, single pole B6, but dont appear to have any BS, EN ect. They have a CE mark, AC 230/400 and have a breaking capacity of 10Ka. Anyone ever seen these, are they cosha ?? Being rated at 230v-400v I dont expect they that old...
  13. B

    20 Year Old Contactum CU MCB's

    Need to add an extra MCB in a 20 year old Contactum CU fitted in my Grandmothers house. The board is a Contactum P6R. It has flat faced MCB's, does anyone know if the newer curved face MCB's will fit? Or of an alternative MCB that will fit? I have a stock of Schneider, Dorman Smith & MK...
  14. L

    RCD tripping even with all MCB's off when it was a LINE to earth fault.

    Hi, can anyone please explain this situation. 30mA rcd was tripping in a domestic installation. I narrowed it down to a lighting circuit but even with all McB's off, the rcd kept tripping, so I naturally imagined that it mus be a neutral to earth fault. In fact i discovered the problem and it...
  15. P

    Extra RCD on off peak F / Obsolete Switch / Economy 7 / Retro fit MCB's

    Hi, I'm not an electrician, I wonder if anyone can help me with a few queries. Q1. Can you explain what this 40A RCD might be for (Off Peak F)? I have a cartridge fuse board from the standard meter (house built in 1970). The original heating (fed through the off peak F meter) was obsolete in...
  16. D

    RCD Tripping MCB's on Circuit OK

    Hi All I wonder if somebody can help. In our domestic CU one of the RCD's keeps tripping out without any of the MCB's tripping. When I reset the RCD it resets fine without any problems. All is ok for an intermittent period (could be days or hours and it trips again). I think from the forum...
  17. leep82

    Help finding Mitsubishi MCB's

    Hi all just wondering if anyone can help me in locating any Mitsubishi MCB's. I imagine they are now obsolete, other than ebay can anyone recommend where i could pirchase any? I need a 16/20a single phase and a 32a three phase.
  18. L

    Mains RCD tripping on larger MCB's

    Hello Looking for advise please. Our mains RCD switch 60A 30mA MK LN 5760 is tripping when either one of my larger mcbs is turned on. - 32A shower - 30A sockets - 30A cooker I turned every breaker off and individually turned them on. All three mentioned above individually trip the mains RCD.
  19. S

    For sale: Main isolators, RCD's, RCBO's, MCB's ...

    Hi all, A am selling some Main isolators, RCD's, RCBO's, MCB's and some other stuff as seen on the picture. Most of the items brand new, some have served as display but never used. PM me if interested, so I can send a list with all items. The ideal situation will be if someone wants to buy...
  20. Marvo

    Energy efficiency of MCB's

    Something that came to my attention recently was an MCB with an efficiency rating and a predicted KWh decade energy loss figure for the OCPD itself. Do the UK consumer units ever come with efficiency ratings? I guessed this was in response to some new EU or US regs regarding supply or...

OFFICIAL SPONSORS

Electrical Goods - Electrical Tools - Brand Names Electrician Courses Green Electrical Goods PCB Way Electrical Goods - Electrical Tools - Brand Names Pushfit Wire Connectors Electric Underfloor Heating Electrician Courses
These Official Forum Sponsors May Provide Discounts to Regular Forum Members - If you would like to sponsor us then CLICK HERE and post a thread with who you are, and we'll send you some stats etc

YOUR Unread Posts

This website was designed, optimised and is hosted by untold.media Operating under the name Untold Media since 2001.
Back
Top