30ma

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  1. M

    Siemens RCCB 5 SM1312 25A 30mA

    I have a Siemens RCCB 5 SM1312 25A 30mA and my Fan Assisted Cooker/Grill keeps triggering it. When I first switch on it is fine then after a minute or two the RCCB is triggered and cuts the power. Someone has told me to increase the relevant breaker from 25A to 32A. Could this be a solution...
  2. L

    For sale: wylex RCD 80A 30mA

    Pallet full available. 24 to a box... Make sensible offers please. Collection or available by post.
  3. L

    For sale: Crabtree rccb 80A 30mA

    Lots available... Make sensible offer. Post or collection available. Also have loads of RCDs.
  4. leep82

    MEM elcb with 30mA ?

    hi all got a little kitchen refurb that im undertaking pretty simple stuff moving sockets and such. However upon looking at the DB which is quite an old MEM type. The main switch is a 80A 100mA elcb ( will include picture ). Without recommending a board change any suggestions on how i can...
  5. R

    Enclosure for 30ma rcd

    Been out to a property to price up repair on a couple of little bits with an old wylex board which has a 100ma RCD main switch. If I was to fit an upfront 30ma rcd before the main board would it have to be in a metal enclosure, haven't needed to do this before and not sure if enclosure would...
  6. F

    lack of 30ma rcd protection

    hi under the 17th ammnendment 3 what code would be given to lack of 30ma rcd protection in a comercial installation 100ma rcd is present
  7. polo1

    MEM 63A, 30mA revs, A63HE

    Hi all, I'm looking for the above. Not keen on fleabay, can anyone assist? RCD obviously & sorry for the two pics!
  8. Golden Graeme

    Earth requirements for TN-S with RCD 30ma main switch

    Hi, I am newly qualified and didn't really cover this scenario. I am a little unsure, so some advice would be great. I have an old installation that has a 6mm earth cable from the DNO TN-S to the consumer unit earth bar. The consumer unit main switch is a combined 100A and 30mA switch. This...
  9. N

    Rcd not tripping and ramp test more than 30ma

    Hi I was doing a EICR today and went to do an RCD test will not trip when I set it to Auto come out more than 300Ms at 1 times. Did a ramp test came out 33MA what would I class this on the report any ideas would be grateful thank neil
  10. M

    30ma rcd tripping after replacing consumer unit

    Hello all, how are you? I often look on here but the time has come to ask for some advice! Nearly finished some alterations in a customers Kithen, Dining room, Utility room and Garage. Approx 3 days work in total. Anyway, after all 2nd fixed and new split load board installed pop goes the rcd...
    • muzza1
    • Thread
    • 30ma after consumer consumer unit rcd rcd tripping replacing tripping unit
    • Replies: 38
    • Forum: UK Electrical Forum
  11. polo1

    Wylex 80A 30mA rcd - backwards compatible?

    Hi guys, can anyone advise if the WRS80/2 (the current version in Lifeline boards) is compatible with earlier Wylex boards from busbar and prong type/spacing perspectives? I have a feeling that the board which requires a replacement has a busbar which is solid copper with half circles cut out...
  12. polo1

    Wylex 80A 30ma rcd - and known issues?

    Hi folks, carrying out an EICR yesterday. Board is a split Wylex (main switch with the rcd covering half the board). All circuits are on the rcd side. Problem I encountered was trying to take 'no trip' Zs readings, the rcd always trips. The meter (1520) is definitely on the correct setting...
  13. V

    30mA rcd trips at 17mA when submain connected mcb is on...ok when submain mcb is off

    Hi all Ok...been to a job today with a random tripping 30mA rcd its a bit of a full on install...at a undertakers.... 3p cutout feeds 3 main switches...1 for a workshop db...for a flat over the undertakers...1 for the undertakers.... from the undertakers mainswitch...we have a swa submain to a...
  14. S

    How many computers to 1 30ma rcd

    Hello all, just wondering in an office with lots of it equipment how many computers would you put to one 30ma circuit?
  15. leep82

    30mA RCD as main switch

    Done a little bit of searching and found that a situation such as the title of this thread would be against current regs, heres my situation. Been to look at a few jobs on a bungalow. The customer wants lights on there garage, ( which already has a supply present), an outside socket, and an...
  16. T

    30ma for existing 16mm T+E submain ??

    Hello all! I am working in a property with 3 old rewirable fuseboards, each fed from mcb's in a modern consumer unit at the incoming supply. We want to change the 3 fuseboards to 17th ed RCD etc. However, as the 16mm T+E is less than 50mm in the wall I wonder whether I should protect each...
  17. HappyHippyDad

    30mA RCD requirement?

    Evening all.. I have just been to quote for a bathroom extractor fan and a kitchen extractor fan. I was pretty sure I understood the RCD requirements but it gets a bit confusing sometimes! The bathroom extractor will probably be 230V (could be ELV though) and all cables will be in trunking in...
  18. A

    30ma trip on split board

    Any opinions on replacing a 100a main switch with 30 ma TVs, I'll have to move the internal tails from the bottom off the rcd to the top I know but is there anything to say I can't? Or just use rcbos
    • andrewni
    • Thread
    • 30ma board can't confused other please split switch trip
    • Replies: 9
    • Forum: UK Electrical Forum
  19. E

    Need to replace mk 100ma rcd (6160) with 30ma one

    Sorry, in a rush...,Will any mk 30ma one do? Thanks loads guys
    • Eddiesparks
    • Thread
    • 100ma 30ma london rcd replace sorry system
    • Replies: 28
    • Forum: UK Electrical Forum
  20. B

    RCD 30ma and 100ma

    found what i was looking for !!!
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