mcb's | Page 5

mcb's

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  1. S

    3pole and single pole MCB's

    Why do they have the same bs en number? Allways fround this odd, and surely if they where unique to each other it would save the confusions on test sheets with 3 phase feeds.
  2. P

    Merlin Gerin RCBO's & Squard D 3 phase MCB's

    Job lot of: 9 x C20a RCBO's 7 x C16a RCBO's 1 x C32a RCBO 1 x C32a RCBO - Schnieder, practically new All used, some in really good condition other have the bottom clip missing the lot for £50 plus delivery, or you can pick them up. 4 x C16a 3 phase Square D KQ boxed 3 x C32a 3 Phase Square...
  3. J

    FOR SALE - misc mcb's / mccb's

    Hi again, still got loads of mcb's and mccb's for sale still on ebay. please click on this link and then view other items MEM Memshield 2 MCH132 C32 MCB MEM EATON on eBay (end time 05-Jul-11 12:33:48 BST) also have loads of belimo and electro controls actuators and dampers and a few pipe...
  4. S

    Replacing fuses for MCB's in BMS control panel

    HiI was wondering if anyone can help me. I need to replace the the fuses for MCB's in a BMS control panel. Can this be done? And how would i go about doing this?Many thanks
  5. A

    Help with consumer unit and MCB's

    Hi, I am training to be an electrician and would just like some advice, when wiring up a consumer unit you always put the highest amp mcb nearest the main switch, what happens when you get 3 x 20 amp MCB's, 2 of which are type B and 1 type C, does that matter what order they go in. Thanks in...
  6. A

    Help with consumer unit and MCB's

    Hi, I am training to be an electrician and would just like some advice, when wiring up a consumer unit you always put the highest amp mcb nearest the main switch, what happens when you get 3 x 20 amp MCB's, 2 of which are type B and 1 type C, does that matter what order they go in. Thanks in...
  7. Goody

    To remove or not to remove the unused MCB's

    I came across a CU with one RCD. Two ring circuits are on 32 Amp MCB each and 3 lighting circuits on 6 Amp MCB each; the other MCB’s are left on the CU serving no circuits. Should I remove them and put blanking plates (plastic) to cover the hole or leave them there with label “not in use” This...
  8. FatBob

    Using MCB's in parallel to give local isolation

    This installation has a very old DNO metal fuse box with a hinged lid, which may or may not open in one piece. The DNO's meter feeds 2 x 63A MCB's in a 2 slot CU. Can I feed a Henley block with both line connections from the 2x63A MCB's, thus using it as a local isolation switch? The...
  9. S

    FOR SALE- Eaton MEM MCB's

    I have 44 x C10, 3 x C20, 10 x C32 and 30 x C63. All at £2.95 Each with FREE POSTAGE Plus RCBO's, Contactors, and other Electrical Items at bargain Prices. music spark items - Get great deals on Business, Office Industrial, Home Garden items on eBay UK! Thanks
  10. J

    Wylex dis boards

    I have come across this situation a few times and need some advice . The old wylex boards with re-wirable fuses can be changed to Mcb's really easily , would it be better to change the entire board .is changing the fuses to breakers considered to be renewing the board ?any one got advice?
  11. S

    Different MCB's together

    Hi All, I am installing a Wylex C/U. I bought the unit complete with everything about 18 months ago for my house but haven't got round to fitting until now. Had the problem where the 6A & 16A MCB's were recalled. So I removed them & purchased new ones (as I missed the boat to get free...
  12. W

    MCB used as light switch

    Hello Guys/Gals I was called out to a shop yesterday to look at a faulty heater. Whilst I was there, I noticed that to turn the 3 rows of 8 foot fluorescent lights off, the shop staff use the 16a mcb's in the fuse box, 1 mcb per row. My understanding from the regs book is that a mcb should...
  13. L

    Short Circuit Capacity

    Hi Guys Any advice would be much appreciated! I have tested a property that has a PFC greater than the short circuit capacity of the mcb's protecting the final circuits, the PFC is 7.9KA and the 60898 mcb's 6KA. The property is protected at origin with a 1361 type b fuse 16.5KA. Under the...
  14. D

    Multiple conductors connected to MCB's

    Visited chaps house today for work, and noticed in the CU the following cables connected to MCB's, previous occupier had CU fitted 14 years ago. Lights Downstairs - 3 conductors connected. They were for I presume, as I didnt run any checks, Hallway, living area and kitchen diner. RM...
  15. S

    Urgent -- get consumer unit - what make mcb's fit ??

    Can anyone tell me which make MCB will fit GET consumer unit or where I can obtain a 40 amp GET mcb or RCBO
  16. N

    Mix and Match on MCB's

    I have noticed several times that different makes of MCB's are being used in boards etc ,did you know that in the manufacturers instructions it state only use their make of MCB , as you have mixed and matched MCB's and if something happend where would you stand, just a thought chaps
  17. C

    mcb as a light switch.

    hiya can anyone help me. i attended a store to replace some faulty lamps only to find that all the light fittings in the store are switched by the mcb's. bs60898 i've only just recenlty passed my electrical qaulifacations and still coming to grips with the regs. i've searched the reg's on...
  18. M

    Size of Flex for 32A CEE / Comando Plug to 2 x 16A CEE / Comando Trailing Sockets

    Hi Guys, Firslty i'm new to the forums so hello and hope you're all doing well. A quick question on the size of the HO7 flex I need to use for a splitter that will have a 32A Comando Plug on one end and two 16A Sockets on the other. Would I be right in saying that each split will need 2.5mm...
  19. Sintra

    Wylex SK & Crabtree Polestar MCB's

    For sale old wylex HB MCB's for Wylex SK 6 x Wylex (HB 30) BS 3871 type 2 30A 1 x Wylex (HB 20) BS 3871 type 2 20A 2 x Wylex (HB 15) BS 3871 type 2 15A 3 x Wylex (HB 10) BS 3871 type 2 10A Wylex MCB's £8.00 each or £90.00 the lot plus postage. MCB's plus DB including main switch £110.00...
  20. La Poste

    Functional testing of MCB's??

    It might sound a bit daft but is there any way of functionally testing MCB's? It's easy to confirm whether an RCD is functioning correctly but is there any way of testing an MCB? I've just been reading about counterfeit goods and how some MCB's are manufactured with absolutely no working parts...

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