MCB circuit breaker

TheTallGuy

Member
Location
Cambridgeshire
For a domestic type consumer units the largest is usually 63A as there's not really a need for anything larger. You can get higher circuit breakers for some commercial distribution boards & it's typically 80A,100A & 125A & will generally be either C or D curve.
 

Fordson1

Member
Location
Wexford, Ireland
If you are going up in amp rating just because of tripping on a circuit that has a heavy load it's worth knowing that there are different types of trip sensitivity. Eg. A normal domestic B20 amp mcb will trip quicker than a D20 amp version. If the load has a high start current it might be possible to just change for one with a longer "delay" before tripping (eg.D63 amp) rather than just going for one with a higher amp rating.
Not that I'm an expert, just discover this lately. Sorry if you already know and I'm stating the obvious.
 

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As reported in Independent


quote: “Red Tractor has confirmed it is dropping plans to launch its green farming assurance standard in April“

read the TFF thread here: https://thefarmingforum.co.uk/index.php?threads/gfc-was-to-go-ahead-now-not-going-ahead.405234/
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