Hi
Wondering if anyone can help.....
I have a 20 year old (yep, pretty old!) Neff Circotherm oven which worked perfectly well until last week, when the 13amp wall socket it is wired into "blew" - it tripped the other wall sockets in the kitchen, and resetting the circuit breakers did nothing -...
right im not hooked up with commrcial work but got a first attempt at it today.
customer pretty clued up what he wants as been factory manager for decades and installed removed loads of equipment in his time, any how
requires
1x 3P 63a Supply terminated in a 3 phase switch isolator...
Can anyone please explain what is the maximum earth fault loop impedance permitted for moulded case circuit breaker (MCCB)?
Also, BS 7671 says a disconnection time of 5 sec is allowed for breakers in distribution circuits. What is the difference between a distribution circuit and final circuit?
Loyal
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roman
I work in commercial and industrial mainly and tend to use the same old same old.
I came across an rcbo today that has no earth fly lead, how long have these been about then and what is the BSEN on them are they 61009 or what?
Cheers
A bit behind with the times
They have all disappeared on a recall. But Wylex wont say what the problem is. Nor will they allow you to take back one you have brought. Anyone know more?
Martin
martinxxxxxx
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wylex
Hello everyone,
Just wondering is an Earth leakage circuit breaker exactly the same as an RCD? The reason I ask is that I heard someone mention once that Earth leakage circuit breakers do not work very well. Maybe I heard wrong?
Mustang
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i am new to the electrics game and today i have come across something new.the person i am doing the job for wants a seperate socket for the comms unit.when i have got to the fuse board there is no room for another breaker and all the existing breakers are being used.please help.
citybluesmith
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In a small building used as an amusement arcade the CU contains twelve circuit breakers which are probably over 20 years old. The labels show they are Square D Q0-X Type and also instantaneous trip Type 4 . Are these type 4 as referred to in the OSG as not for general use, if they are there is a...
cambria
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Hi Guys
Just a word of warning to you all. I have been working on an industrial site that has the old style wylex 3-phase DB's (nothing wrong with them). Whilst isolating circuits I have noticed that some MCBS are NOT disconnecting the supply when in the off position :eek:. Out of the 20...
jellen
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wylex
years
Good day,
I hope I am on the right section of this forum.
I have a question regarding AC and DC circuit breakers and how it affects the ARC QUENCHING side of it. I have been on numerous sites and I cannot get a clear answer.
Thanks.
Avin
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