That's very snazzy (hence, I assume, expensive), but does it actually represent much of an advantage - other than to someone who wishes to work in the CU when it is at least partially live?
Its also useful when you are working on a number of circuits and don't have enough lock-offs for all the MCBs, quicker than taking all the lives out the breakers.
I fitted a MG unit for a guy who was an ex NASA engineer, he had researched long and hard and concluded that this was the best on the market, he had suffered from nuisance tripping of RCBOs on his Proteus CU for years, after the MG went in no more nuisance trips
That's very snazzy (hence, I assume, expensive), but does it actually represent much of an advantage - other than to someone who wishes to work in the CU when it is at least partially live?
Its also useful when you are working on a number of circuits and don't have enough lock-offs for all the MCBs, quicker than taking all the lives out the breakers.
Well not lock it per-see. but once the board cover is back on then you are going to need a tool to get back into it to put it on.
It might not be ideal in a factory maintenance situation where you might have other sparks opening up the board. But in say a commericial re-fit where say offices are being knocked around and theres only one firm of electrical contractors going to be taking the board lid off then its good as locked off
That's very snazzy (hence, I assume, expensive), but does it actually represent much of an advantage - other than to someone who wishes to work in the CU when it is at least partially live?
Its also useful when you are working on a number of circuits and don't have enough lock-offs for all the MCBs, quicker than taking all the lives out the breakers.
I thought that the whole point of moving the live circuit core from the Breaker into the Earth Bar, was to facilitate the R1 and R2 Earth testing that one is obliged to perform after working on any electrical circuit???
Well not lock it per-see. but once the board cover is back on then you are going to need a tool to get back into it to put it on. ... It might not be ideal in a factory maintenance situation where you might have other sparks opening up the board. But in say a commericial re-fit where say offices are being knocked around and theres only one firm of electrical contractors going to be taking the board lid off then its good as locked off
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