breakers

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  1. K

    PFC and circuit breakers

    Hi, I was wondering if anyone could provide any advice on following: I have PFC reading of 9.6 KA and was wondering what the ruling was for short circuit capacity for individual breakers. There are four circuits in total on the board, each currently with 6KA limit. Should these be changed to...
    • Ken77
    • Thread
    • breaker breakers circuit circuit breakers pfc
    • Replies: 9
    • Forum: UK Electrical Forum
  2. G

    24 volt dc

    Seen an ammended control panel today sporting a bs 60898 DP type C 2 amp mcb controlling 24v dc. Usually weidmuller etc din rail fuseblocks and links. Something I am missing? Boydy
  3. Les Macaulay

    Moulded Case Circuit Breakers

    Under what circumstances are type C cb's required?
  4. S

    Breakers not resetting

    Went to a job today where an RCD was tripping after heavy rain and taking two MCBs with it. The two MCBs are both for ring circuits - one apparently just for a microwave, and the other for most of the downstairs sockets and outside lights. IR testing was a nightmare due to sockets in...
  5. T

    Dorman Smith obsolete fuse carriers

    Hi has anyone come across a retro fit fuse carrier or anyone that supplies very old fuse carriers for a Dorman Smith section board its that old doesnt have any Details on the enclosure ........
  6. Q

    What other breaker make will fit this?

    what breaker will fit in a mk board? i dont have any pictures or any other info than its mk
    • QSGAZ
    • Thread
    • breaker breakers different fit other standard wylex
    • Replies: 13
    • Forum: UK Electrical Forum
  7. H

    Square D breakers

    Anyone know any other breakers compatable with square D boards
    • highspark
    • Thread
    • breaker breakers busbar other problem square
    • Replies: 4
    • Forum: UK Electrical Forum
  8. W

    ac/dc breakers

    hi can some one tell me the main difference between dc and ac breakers.also is dc voltage more dangerous than ac.is this because dc voltage is constant. thanks
    • wolfiehogan
    • Thread
    • breaker breakers control electricians' talk
    • Replies: 4
    • Forum: UK Electrical Forum
  9. J

    MEM shield 2 circuit breakers

    I have 109 circuit breakers for sale most are new, mainly MEM 32a,16a,20a but have dorman smith,hager circuit breakers too looking for £150, buyer will need to collect
  10. H

    Breakers & Cable Sizes

    Evening all, Currently studying Electrical, quick question. Is there a page in the onsite guide which tells you the minimum size per breakers ?? Thanks in advance
  11. J

    Crabtree breakers required

    Can anyone help me locate a supplier of the above mentioned make. Many thanks
  12. B

    Circuit breakers short circuit ratings

    Hi im looking for a list of Circuit Breaker short circuit capacity ratings, that i can stick into my BGB. list required would be for all fuse types, from BS 3036 to BS88. old and new types protective devices. Also is there such a thing as fuse wire sizes gauge card? if so can some one point me...
    • Bradzz
    • Thread
    • breaker breakers circuit circuit breakers electricians' talk ratings short short circuit
    • Replies: 8
    • Forum: UK Electrical Forum
  13. F

    Split amperage into two circuit breakers

    Hi. I am in holidays at the campsite Camping Olhao in Algarve, Portugal and I have in my caravan an air conditioner that consumes about 9 Amps (220V). Unfortunately the electricity sockets available here for the campers are protected with circuit breakers of 6 Amps (220V) and that cannot be...
  14. G

    RCD tripping randomly over the past few weeks

    Hi, First post so welcome all and here goes Over the last month the GE RCD has tripped randomly, the last time when we were asleep in bed and nothing more anoying to wake up late as alarm not gone off and all house sockets dead. When i try to reset the rcd it will not reset until i turn off...
    • GOLLUM
    • Thread
    • breakers electricians' talk fault faulty isolated neutral rcd rcd tripping tripping weeks
    • Replies: 34
    • Forum: UK Electrical Forum
  15. A

    Old Circuit Breakers

    Hi, Not sure if this is the best forum for this, but it seemed most appropriate. What do people do with old circuit breakers / RCBO's etc that they strip out during their work? I curretly have a fair collection of old breakers, and trying to decide what is best for them. I have considered...
    • Adam
    • Thread
    • breaker breakers circuit circuit breakers electricians' talk old
    • Replies: 13
    • Forum: UK Electrical Forum
  16. S

    B or C type breakers?

    Hi guys having a brain fade moment. Any reason why I can't use C type RCBO's instaed of B? Doing a CU change at a Nursing home and been quoted for C type, currently they're B type. Board is 3 phase but all breakers are single phase. Thanks in advance. Steve.
    • sjm
    • Thread
    • breaker breakers commercial electricians' talk loads phase type
    • Replies: 7
    • Forum: UK Electrical Forum
  17. S

    MCG circuit breakers

    Does anyone know a direct replacement or where i can obtain MCG circuit breakers Cheers
  18. T

    asbestos in circuit breakers?

    Large Square-D Circuit Breaker with Blue Asbestos | Flickr - Photo Sharing! Dont know if this is real or not but i was quite shocked at this... What other circuit breakers contain asbestos?
    • Thomas123
    • Thread
    • asbestos breaker breakers circuit circuit breakers electricians' talk
    • Replies: 21
    • Forum: UK Electrical Forum
  19. W

    MEM BS3871 breakers

    Top o the mornin to you chaps, Anyone know where i can get my hands on a selection of such breakers? Helping the old man out with a few bits on his gaff as they have just had kitchen re done and i have done the power for them but their CU is a shambles - until i install the new board in the...
    • wade88
    • Thread
    • breaker breakers cooker couple electricians' talk
    • Replies: 21
    • Forum: UK Electrical Forum
  20. P

    Obselete breakers

    Seems to there is a new way to get round this old problem.

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