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Burnt- Main Fuse

  • 15-02-2021 11:52am
    #1
    Keeks
    Registered Users, Registered Users 2 Posts: 2,199 ✭✭✭


    Anyone know what could cause this on the Main fuse

    Got a smell of burning from my Fuseboard over the weekend and got a friend to replace it but wasn't there to quiz him when he replaced it.....

    Anyone know what could case this.....Fuse never went


Comments

  • #2
    kramer1
    Closed Accounts Posts: 305 ✭✭kramer1


    Bad connection


  • #3
    2011
    Moderators, Home & Garden Moderators, Technology & Internet Moderators, Regional East Moderators Posts: 12,641 Mod ✭✭✭✭2011


    Keeks wrote: »
    Anyone know what could cause this on the Main fuse

    Agree with the above, the resistance was too high for the current.
    This could have been due to a poor quality / loose connection.


  • #4
    Keeks
    Registered Users, Registered Users 2 Posts: 2,199 ✭✭✭Keeks


    Cheers....I'll ask my sparks when i get hold of him.....

    On the fuse, the terminal doesn't move (open/close) so not sure if this was the issue and it was always like this or the overheating has caused it to seize

    Anyway - just glad it didn't cause a bigger problem


  • #5
    Andrea B.
    Registered Users, Registered Users 2 Posts: 1,988 ✭✭✭Andrea B.


    It is a lifesaver imo that mcb's and fuseholders are purposely made of polymers with a pungent odour when heated.


  • #6
    newuser555555
    Registered Users, Registered Users 2 Posts: 19 ✭newuser555555


    Andrea B. wrote: »
    It is a lifesaver imo that mcb's and fuseholders are purposely made of polymers with a pungent odour when heated.

    i always wondered why they were ever used, always seemed like an unnecessary addition to a board


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  • #7
    Andrea B.
    Registered Users, Registered Users 2 Posts: 1,988 ✭✭✭Andrea B.


    newuser555555 wrote: »
    i always wondered why they were ever used, always seemed like an unnecessary addition to a board

    Ya lost me there...or i lost you?


  • #8
    Gestureapo
    Closed Accounts Posts: 61 ✭✭Gestureapo


    They gave their fair share of trouble , the Main Protective Device and the Main Isolator is better but the location of MCB in cabinet isn't great for the customer

    80 amp should be the standard , 63 was always restrictive with instantaneous showers and additional loads


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