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rcbos

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  1. S

    RCBO Question

    A simple one I guess but one I have not come across: 3 bed house - 1 CU - 16th edition I guess with 1 RCD covering 5 circuits. The kitchen was on the downstairs ring. I have added a brand new kitchen ring and a 6mm cooker feed. Can I use RCBOs to protect the circuits on the spare side that...
  2. C

    rcds rcbos in 3 phase boards

    i have been asked to fit three phase board in a block of flats and the drawings state they want mcbs but i will have to rcd protect the circuits. is it just a case of using rcbos throughout cos this will be very costly and also i would want three circuits to trip together but i cant find three...
  3. N

    Square D Load Centre RCBO ????

    Could somebody confirm that the RCBO that fit a Square D Load Centre is the QOE? Thank you all!
  4. W

    Wylex RCBOS All Brand New

    1 x 40 amp - C type6 x 32 amp - B type1 x 16 amp - B type 4 x 6 amp - B type NHSXBS £120 the Lot including Postage
  5. spud1

    RCBO to fit an old Wylex TPN D.B

    Hi All! Does anyone know of a brand of RCBO which will fit in place of an old BS3871 Type 2 HB Wylex MCB in a Wylex TPN metal clad Distribution board? Thanks in advance
  6. V

    Large Quantity of Wylex & Crabtree RCBOs

    Excess stock for sale after moving on to new job... All brand new and boxed: 28 x Wylex NHXSBS1C06 6 Amp Type C RCBO (6kA) 16 x Wylex NHXSBS1C16 16 Amp Type C RCBO (6kA) 5 x Crabtree Starbreaker 61/C10630 6A Type C RCBO (6kA) 12 x Crabtree Starbreaker 61/C11630 16A Type C RCBO (6kA) 6 x...
  7. polo1

    RCBOs and TPN Boards

    Apologies if this has been raised before - nothing has come up on a search of the site. Have any of come across the situation where the flexible neutral tail on an RCBO is not long enough to reach the neutral busbar? If so, what do you do - can you extend the neutral tail without causing...
  8. R

    Off the shelf RCBO's

    Morning guys, can anyone tell me what rcbos will fit in the place of an old wylex board. The mcbs say NB30 NB05 etc on front face of them. Cheers
  9. A

    Mft1730 wylex rcbos

    Just off the phone to meggar technical support. They have been having problems with this specific brand of rcbo when carrying our Zs tests. Breaking tripping on test. Seemingly by reversing test leads, breaker doesn't trip...
  10. M

    Hager RCBOs deciding not to hold

    Just had a hager 32a rcbo go on me today. Nothing wrong with the circuit, i think the internal latching mechanics have broken as it does not hold when disconnected totally and just sitting in my spares box. Has anyone else had this sort of experience? It's less than a year old and just in a...
  11. C

    For sale,Wylex RCBOS 6AMP-40AMP

    Hi, Company i was working for has went under!! Have 58 Wylex (UNUSED!!!!!!) rcbos,will sell all in 1 bundle or smaller bundles to suit individual needs.£10 per rcbo or will consider sensible offers. 7 X 6AMP TYPE B 6KA (BOXED) 2 X 6AMP TYPE B 10KA (OPEN) 3 X 16AMP TYPE B 10KA (BOXED) 2 X 16AMP...
  12. C

    IR teating when RCBOS are in place

    out of interest , if a DB is fed with armoured cable using the starnds as earth which is fed from a main isolater which is on a TNCS supply, to carry out the IR would i have to dissconnect the neutral out of the main isolter ( not on the DB ) and the earth fly lead off the banjo. when testing N...
  13. W

    Rcbos in a tt system

    is there anyone who can clarify the debate about single pole rcbos on a tt system??? i have a main 300mA s type DP rcd at origin and wanted to use rcbos on sub main cu's in other buildings instead of using a single 30mA device to protect a whole cu as a whole board going down would be an issue...
  14. rich.250

    Megger 1730 non trip loop....

    Has anyone else had the problem of it tripping rcds on non trip loop?? seems only wylex in my case. I have spoke to megger to be told i was performing the test wrong! Quite rude tbh. I have since spent a lot of time thinking about it and the external earth fault path it takes... so i have tried...
  15. P

    SP RCBOs and TT Installations.

    Hi Guys On a farm I have a standard 3 phase Main Board with a standard main switch on a TN-C-S supply. Single pole 30mA RCBOs supply some local 13 Amp sockets and lighting. If I wish to supply a Sub-board with TT earthing in another building from this Main Board can I protect it with a Single...
  16. D

    RCBOs on an RCD'd mainswitch

    Hi, If I had a CU with an RCD'd main switch and put in a new circuit on an RCBO, would the RCBO always be the first to trip should there be a fault on that circuit? Thanks!
  17. P

    FARM INSTALLATION- First Time

    I'm doing my first farm building installation and would like to get it right. The Main Barn has a 3ph 100A TN-C-S supply to a 3ph Meter. I'm ripping out the the rodent eaten ancient switchfuses, domestic consumer units etc and starting again. My plan is to feed a new local 3ph board. From...
  18. S

    7 x Schneider RCBOs 32A

    I have 7 x schneider 32A RCBOs for sale All brand new and still in the box There is the ebay page. eBay - The UK's Online Marketplace I am selling them for £20 each so if you are interested please message me on here and dont go through ebay Thanks
  19. R

    CUs, RCDs, RCBOs and Bathroom installs

    Well I have had my PV system in for a few months now and all seems to be working okay after my problems with the electricians installation, however maybe someone can answer a question I have now, having bathrooms refitted and trying to avoid the bonding cables by fitting an RCCB rather than...
  20. B

    RCBOs with 1 flying wire.

    Do RCBOs normally have 2 flying leads - neutral and earth? Are there "old" rcbos and new types. The reason I ask is that I have bought Proteus RCBOs and they have a flying neutral wire only. I've never fitted RCBOs before and am just a bit confused. Any explanations appreciated. Bul

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