mccb

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  1. P

    MCCB panel selection

    We are looking for a distribution board to provide 3 * 160A three-phase feeds, but they are basically redundant supply path options so max total is 160A as well. I had been looking at using a Hager MCCB panel (as we generally have been using their MCB DBs) but many of them are limited to 125A...
  2. MaintenanceSpark

    Max Zs for Bill Talisman MCCB

    Hi everyone, Happy Friday! Could someone please point me in the right direction, I’m after the Max Zs for a Bill Talisman TLF633 63A MCCB, I’ve looked in the BBB but to no avail on the Max Zs tables. I’ve also looked on our Cert software as they have a Max Zs app but the MCCB category doesn’t...
  3. MaintenanceSpark

    Max Zs Bill Talisman MCCB

    Hi everyone, Happy Friday! Could someone please point me in the right direction, I’m after the Max Zs for a Bill Talisman TLF633 63A MCCB, I’ve looked in the BBB but to no avail on the Max Zs tables. I’ve also looked on our Cert software as they have a Max Zs app but the MCCB category doesn’t...
  4. F

    BS number/ Zs MCCB help?

    Hi, Can anyone tell me a BS number for a merlin gerin compact C161N? Also does anyone have max Zs available for the same C161N 63a MCCB? Cheers.
  5. R

    MCCB Adjustable trip setting - cable rating

    Hi all, In general do you size the cable to the MCCB full trip setting rather than the adjustable setting for the load being supplied. In some cases upsizing the cable can be costly even from 320/400. One of the site engineers is adamant that it should be sized for full trip setting. I'm not...
  6. Q

    Merlin Gerin MCCB Zs Values

    Hi All, We have a Merlin Gerin Compact NS100N Single Phase MCCB I've been asked to find its Max ZS Values and to be honest I cant find anything! This is an from an old MCCB board we are re testing. I put it in google and cant seem to find anything, I know Schneider bought this brand out. But...
  7. Q

    Transformer and MCCB Questions

    Hello All. New here and will be flooding with terrible questions for my own knowledge. Just trying to learn so some questions like this maybe very simple and I'm just daft 1) On site we have a Aux Transformer, From the LV side of the transformer we have an MCCB Board with a few circuits. Now on...
  8. D

    RCCB Tripping, after some reno work

    Hi guys. Looking for some advice. I’ve had some building work done. 1. Outhouse. The wiring internally was changed but the wiring from the house to the outhouse is the same. All electrics working okay in there. 2. Conservatory built. Wiring is in however it is not connected up yet so no...
  9. P

    merlin MCCB service/test

    Hi I have a client with a 1000a merlin mccb as their incoming PD from their private transformer. Previous maintenance spark has claimed its faulty and trips under no load, so they’re leaving the compressors running 24/7, I find this odd but don’t want to mess around too much as if something...
  10. D

    I am looking to buy used and surplus MCCBs

    I am are looking to purchase used and surplus 3 Phase MCCBs and single Phase high amperage MCCBs. All brands considered as long as the MCCBs are in full working order. If you have any that fit that description that you would like sell, please drop me a DM. Thanks
  11. C

    Electrician Jobs Supply to flats using Ryefield boards or mccb panel

    Hi all We are doing wiring to 6 flats.DNO will provide 200 amps service head on ground floor.All Swas for flat submains come to the intake area on ground floor. What is the best option for termibating those SWAs into individual switch fuses after Ryefield board or can i use MCCB panel.Do the...

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