mcb

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  1. B

    Problems with Axiom MCBs

    Hi, does anybody know what other brands of MCB (if any) will fit an axiom consumer unit? I need a C32 breaker but i cannot source axiom C curve breakers anywhere. The initial problem is my Plasma cutter trips the B32 breaker as soon as I touch the trigger, and i cant think what else the problem...
  2. 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...
  3. A

    New 4 way CU being fed from 50A MCB on old CU

    HI, I ve briefly asked about this setup before but now asking about the load on 4 way...... is this Ok/Safe ? I have a plastic 10 way CU.....one of the 50A MCBs from this has been used to feed the new 4 WAY metal CU. The new 4 way METAL CU has an 80A main switch (30Ma) and 4 MCB's (50a,32a,32a...
  4. N

    MCB type not listed in drop down box

    as title says, just doing an EICR and cu has MK switchgear, the BS number is not available in NICEIC dropdown box and cant insert it manually either. any ideas ? picture attached
  5. B

    Main fuse blows before MCB.

    I wonder if anyone can suggest a scenario that could have made this happen. I did a full rewire on a two bed purpose-built flat a few weeks ago. TNCS, cut-out in cupboard at the stair-well, I ran the tails to a switched fuse inside the flat and on from there to the consumer unit. All tested...
  6. T

    UK MCB Size for radial socket circuit.

    My shed is only 5 Meters from my house, i will run a SWA cable from existing consumer unit to a shed consumer unit which will have 3 circuits for Sockets,Light and a 7.5Kw shower unit all i need to know is will a 16 Amp MCB be sufficient for the socket Radial circuit for 4 Double sockets
  7. J

    Sector MCB

    I am looking for a Sector 32a MCB, is this now manufactured by a new company or is there an equivalent available
  8. naylorpd

    Wylex push button MCBs

    Not sure if I'm allowed to do this... Having a clear-out, 7 Wylex MCBs from my old DB gone to fleabay: http://ebay.us/8HGCwV?cmpnId=5338273189
  9. M

    Remote controlled circuit breakers MCB

    Please, help me to find the brand and model for a 120Ac 60 amp circuit breaker that can be remotely, turned on, off, and trip reset. It is used in the output of a small 7KVA gasoline generator. I found online the “Smart Breakers WiFi” from Leviton; but there is no WiFi on the yacht, and I don’t...
  10. I

    Hager mcb

    Seen a consumer unit hager today, was old, the mcb had a little door on it, I opened one and it had a 3a plug fuse in it. Are they for storing stuff. Whats the low down with them? Cheers.
  11. S

    Intermittent lighting mcb triping

    Initially was obviously a hard fault because mcb would not reset. Unscrewed and checked all light switches for obvious fault (some metal) no visual problem, then found possible issue with disconnected wire in ceiling. Rose. Repaired this and initially mcb stayed in. Connected each light switch...
  12. N

    MCB max load for an oven (EICR)

    I want to check the rules when doing an EICR for MCB size for ovens. My mate says i should fail an installation because there is a 40 amp MCB on an oven rather than a 32 amp. Is he right?
  13. M

    MCB Lewden Brand

    Hi Guys, does anyone know the brand for the attached MCB's? Thanks Andy
  14. timhoward

    MCB -> RCBO I'm missing something silly

    Simple job, swap an MCB to an RCBO on a lighting circuit. It's got me totally stumped! IR test L+N -> E is fine on the circuit. So is Zs. All 2-way switches operated. Instant trip when changed to RCBO though, and tried two RCBO's Ramp tested them both, all good. All tests pass on them with no...
  15. M

    UK Electrical PLC Control Panel

    We have a Electrical PLC Control Panel that has to supply 45 Fused Spur units, do I need to protect these with an RCD, we have a 10A Type D MCB at the moment. Each Fused spur controls an electronic Volume/Pressure controller which is rated at 130mA.
    • Mike Cox
    • Thread
    • control electrical fused fused spur mcb panel plc protect rcd spur supply these units
    • Replies: 8
    • Forum: UK Electrical Forum
  16. T

    Should the MCB have tripped?

    Hi all, looking for some input from you guys. Had a call out a few days ago where someone has has a shock from brass light switch in a domestic property. When i got there, a decorator told me that he had the switch loose from the wall to strip the wall paper. He's used a steamer, so it points to...
  17. Y

    wholesalers mcb

    Im looking to put a supply out in a mancave, the earthing arrangement is tns. At the supply there is iscos installed so I was going to take a supply out of the iscos into a 40 amp DP MCB and run a 6mm T+E surface piped along an outside wall. I will be installing a 40A 30mA RCD in the mancave. My...
  18. R

    What Crabtree type RCBO fits this board?

    Hello guys, completely forgot to remove the board cover to check what type of rcbo was required for this particular Crabtree board. Anyone from experience know which type RCBO fits? thanks in advance!!
  19. J

    UK mcb tripping after new sockets

    hi all. A friend asked if i would look at his kitchen sockets as they would trip just the mcb now and then. i said ill look but thats it as he had a electrician install 3 spurs and add 1 socket on a radial circuit 16amp mcb and looks like 6mm t&e from mb for the circuit and looks like the combi...
  20. SteWal

    MCB trips when bulb goes?

    Hi folks, I’m looking for some advice on a minor problem my parents have with their kitchen lights. They have 2 light fittings in the kitchen each carrying 4 spots and on occasion when one of the bulbs go the circuit breaker trips - there are no RCDs. It only happens in the kitchen (the...

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