MCB Types

MCB Types

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  • #31768
    Neil Wyatt
    Moderator
      @neilwyatt
      #171309
      Neil Wyatt
      Moderator
        @neilwyatt

        We have two consumer units that use Crabtree Starbreaker MCBs

        These have one screw terminal and a blade.

        I'm struggling to find a replacement for one, as most MCBs seem to have two screw terminals.

        Can someone in the know tell me if this is what I need:

        **LINK**

        Thanks

        Neil

        #171313
        Nick Hughes
        Participant
          @nickhughes97026

          Hi Neil,

          These look like the ones youre after:- **LINK**

          If you click on the one you want, it gives you a side view that I think shows the blade that you are on about.

          Nick.

          #171326
          Nathan Sharpe
          Participant
            @nathansharpe19746

            Neil , I just upgraded to all RCBO apart from submains so I have loads of MCB,s spare. If I have the correct amperage rating you,re welcome to them. Just PM me.

            Nathan.

            Edit. Should have said they are all Crabtree Starbreaker.

            Edited By Nathan Sharpe on 02/12/2014 23:04:27

            Edit. Should also say that my RCBO,s and bigger consumer unit came from TLC so can recommend them.

            Edited By Nathan Sharpe on 02/12/2014 23:06:47

            #171370
            Neil Wyatt
            Moderator
              @neilwyatt

              Thanks Nick,

              Your link confirms the part code 61/B20 – so hopefully I did order the right bit from CPC!

              Nathan, thanks for the offer – I went and ordered last night, but if it is the wrong one that arrives I'll let you know – save a 20Amp one for me just in case! Thanks again,

              Neil

              #171715
              Neil Wyatt
              Moderator
                @neilwyatt

                Just a quicky to say thanks again, the 61/B20 from CPC is the right one.

                neil

                #171977
                Hamish McNab
                Participant
                  @hamishmcnab62554

                  You appear to be replacing a type C with a type B? What are you supplying? Type C is suitable for motor drives.

                  #172038
                  Neil Wyatt
                  Moderator
                    @neilwyatt

                    Mistyping! It's the other way round, actually. Type C is also better for storage heaters that have a prolonged high inrush current (like motors!) Every few days we were getting a nuisance trip and no warmth in the morning, OK now.

                    Neil

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