breakers | Page 9

breakers

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  1. C

    3 pole minature circuit breakers

    Can someone remind me Is a type 2 breaker = to a type B Can't find my file Many Thanks
  2. L

    Hager rcbo's and 3ph breakers (new)

    I have the following hager items for sale, all brand new in boxes 16 x 3ph, 16amp, type c, 10ka mcb's 9 x 40amp, type b, 6ka, 30ma rcbo's 6 x 32amp, type b, 6ka, 30ma rcbo's 6 x 32amp, type c, 6ka, 30ma rcbo's 1 x 16amp, type b, 6ka, 30ma rcbo 1 x 6amp, type b, 6ka, 30ma rcbo would like to...
  3. D

    Commercial

    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...
  4. B

    fuses and breakers

    i am new to testing and need to identify some old fuses and breakers can anybody assist or know were i can find out thanks.
  5. L

    Earth Fault Impedence

    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?
  6. P

    square d breakers for sale 100a nhsf wylex

    £1 each plus whatever the postage is i have b16`s b32`s and b10`s if they are any use to anyone. two d25`s aswell £2 each used. also one barnd new wylex 100a nhsf open to offers for the wylex, quite heavy as you know so postage should be around £10 for this one
  7. K

    mem equivalent breakers

    does any1 know an equivalent mcb to mem thanx kev
  8. I

    Rcbo

    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
  9. M

    Wylex Breakers - What's the problem

    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
  10. M

    Earth-Leakage breakers??

    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?
  11. C

    no spare breakers

    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.
  12. L

    ABB Various Circuit Breakers

    Hello all, Got some brand new unused ABB circuit breakers if anyone is interested take alook at my ebay page here to see what im selling I have loads to get rid of so if you need a bigger bunch let me know Thanks LG
  13. C

    Type 4 circuit breakers

    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...
  14. M

    Help looking for a breaker

    can anyone tell me where i can acquire a faz g50 amp three phase breaker? :)
  15. J

    WARNING old Style Wylex Breakers (not Plug ins)

    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...
  16. A

    Question about Circuit Breakers

    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
  17. D

    circuit breakers with electronic trip units

    I would like to know more about these circuit breakers. I know how to set the overload protection(In x Io x Ir) which makes sense, but I don't understand the other optional settings. Don't worry you engineers out there, I'm not installing one. question 1) short circuit protection Im x Ir - why...

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