circuit breakers | Page 2

circuit breakers

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  1. Sintra

    Lv Circuit Breakers

    Sintra submitted a new resource: LV Circuit Breakers - LV Circuit Breakers Read more about this resource...
  2. D

    Circuit Breakers Not Breaking!

    help! I've just tried doing what I thought was a simple replacement of a plug fascia as the old one got covered in paint during some decorating. Turned off the power at the breaker, ensured the circuits were dead, removed the old plug front, wired in the new plug and replaced the fascia back...
  3. T

    Removing Schneider/ merlin geran Circuit breakers from panel board busbar

    Hi I am replacing 2 circuit breakers in a Schneider panel board. Board is 3 phase and main switch is Schneider NSX 100. Circuit breakers are Schneider NS100N compact series. Replacing 30 amp breakers with 63 amp identical units. The breakers are single phase units. my problem is that I am having...
  4. A

    Design current and circuit breakers

    Hello, I have a problem with design current (Ib) and selection of the circuit breaker (In). If I have a circuit of 7A and I apply no diversity, then Ib = 7A and I select a 10A circuit breaker. But if I apply diversity and I get, say, 5A, is 5A now the design current Ib? So can I select a 6A...
  5. E

    Ring supplied from two circuit breakers

    Hello guys, hope someone can help me with this. i was carrying out a small job on a ring main (re-fix a socket to a wall nothing major), and noticed that the ring was being supplied from more than one circuit breaker a long with the other ring main in the flat. Obviously i rectified the job as...
  6. M

    MEM circuit breakers

    Have 1200 MEM breakers for sale if anyone interested PM me, bought job lot all brand new I don't use them but may as well go to a good home
  7. M

    For Sale Chint Miniature Circuit Breakers MCB & RCBO

    I have for sale the following Chint Miniature Circuit Breakers: 7 x CBG B6 (Amp) MCBs 3 x NB1 B6 (Amp) MCBs 4 x CBG B16 (Amp) MCBs 2 x NB1 B32 (Amp) MCBs 3 x CBG B40 (Amp) MCBs 2 x NB1 B40 (Amp) MCBs 2 x NB3LEU B32 (Amp) RCBOs (Partly Used) £35 for the lot. The MCBs are all unused, they've...
  8. D

    Crabtree MCB circuit breakers 60p each Brand New in Boxes

    Crabtree loadstar single pole circuit breakers 6FS40C - 40 amp type C - 9 in stock 6FS20C - 20 amp type C - 140 in stock 6FS32C - 32 amp type C - 1030 in stock All Brand new and in boxes - 10 in a box 60p each plus P&P P&P is as follows: £3.35 for 1 - 8 MCBs £4.68 for 9 - 16 MCBs £8.60 for...
  9. P

    European circuit breakers

    Does anyone know if you can get hold of double pole RCBOs in the uk? Just seen the prices in France for a bog standard unit :(
  10. 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...
  11. Les Macaulay

    Moulded Case Circuit Breakers

    Under what circumstances are type C cb's required?
  12. 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
  13. 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...
  14. 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...
  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...
  16. S

    MCG circuit breakers

    Does anyone know a direct replacement or where i can obtain MCG circuit breakers Cheers
  17. 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?
  18. C

    Hager Circuit Breakers

    I have just got off the phone to a builder i am doing some work for who says he won't let me use Hager Circuit Breakers as they don't meet british standards. Now i am looking at their brochure and it clearly says they do. Has anyone else had this problem? Nothing is ever straight forward!!!!!!!!
  19. S

    circuit breakers going off??

    Ive just finished testing a small domestic board.Everything fine untill I test the lighting circuits.Readings are as follows R1+R2 0.89 Insulation resistance >299 Polarity OK Earth continuity OK These readings are for the first lighting...
  20. 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...

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