3phase

  1. stummish

    For sale: fluke pm 97 scopemeter, heme 200x 3phase ammeter, thermocouple thermometer.

    Hi everyone. I'm having a clear out so some test gear which is just gathering dust. It's all in excellent condition, have a look at the pictures to see. Fluke/Philips Scopemeter PM 97. Portable electronic oscilloscope, UK power adaptor, set of leads and probes. Fluke Philips Scopemeter PM...
  2. K

    I need a 3phase 100amp isolator switch advice

    Hi can anyone help me with the following I have a 3phase supply on a single phase meter. EDF are coming next week to change the single phase meter and putting in a 3phase meter.My electrician is putting in a domestic split wat fuse board and has asked me to get a 3phase 100amp isolator switch...
    • kensington
    • Thread
    • 100amp 3phase advice electrician isolator meter phase supply switch
    • Replies: 6
    • Forum: UK Electrical Forum
  3. O

    3phase but using only 2

    Hi. Just having a moment and doubting some work that I have done. Although discussed with a couple of other sparks and niceic tech line and they said was the right way. House had a single phase board and a 3phase for old storage heaters. Storage heaters out and replaced for lower cost...
  4. G

    3phase inverter on domestic supplly

    A friend of mine is building a workshop out his back. One of the machines is 3-phase with a 7.5ka load. It's a 40m run from his fuse board in the house to the one I want to put in workshop. There is only going to be a 2 twin 5ft flossys, 6 double sockets(no big load just hand tools, radio...
  5. S

    3phase supply to 3 single phase solar inverters

    Hi all .First post . I'm an electrician working for a solar company company. We have a commercial solar install starting tomorrow. The array is split into three lots of 33kw . I can't be certain on very more details than that for the time being. It will have 3 single phase...
  6. G

    For Sale SCHNEIDER ELECTRIC 3phase 160A Switched Fuse

    Schneider 3 phase 160A Switched fuse unused was fitted to wall not needed and then removed. There are however a couple of screws missing. £180 plus postage or you can collect item is very heavy
  7. dc-electrix

    New 3Phase Supply from DNO

    Hi, Could someone point me in the right direction with regards to getting a new three phase supply put in? I need to get a new 3phase supply installed to a new garage building on a domestic property, the client is thinking he may want to run a couple of lathes, nothing very big, but also feed...
  8. R

    Looking to monitor 3phase over 2 systems

    Hello, looking for some advise from you please Just had solar installed on the roof of the factory It's two separate systems as the unit has two grid feeds 12kw & 24kw Looking for a system to monitor the generation and consumption over the two systems as a whole We could connect to the...
  9. M

    BSEN No for 3phase rotary main switch?

    On a Memshield 2 125a 3phase 12 way distribution board ... fitted 2001. Cant seem to find the BS-EN number on the main switch for the EIC - most of the printed info on the unit had faded off. Tried google but nothing yet conclusive, Assuming its NOT 60947 -3 as per my usual diet of domestic...
  10. B

    Help 3phase dishwasher

    Hi guys fitted a commercial dishwasher today extended c/w supply made drainage alterations etc.Being a helpful stupid bloke connected up cables.Didnt know neutral changed from black to blue so have connected up incorrectly none of the breakers tripped am I in the brown stuff or not im a plumber...
  11. Simonslimline

    3phase volt drop.

    This is one of a weekly question by sparks magazine posted on Facebook to win free tools each week. Everyone has answered B. 8Volts. I am not sure this is correct. Please could anyone help me with this. I have posted it up in here rather than just the trainee section so more people will see it...
  12. L

    electrical energy calculation in 3phase

    HI I have a MCC panel it is showing KW reading for each phase L1,L2 and L3 are 4.7KW,4.0KW and 4.2 KW repectively. the energy consumption for 2 hours was 16 Kwh.how come it is possible my doubt is my load was stable for 2 hours with 10-15% variation i should be 8-10 Kwh for 2 hours why it...
    • lokesh.dee
    • Thread
    • 3phase calculation electric electrical energy
    • Replies: 8
    • Forum: UK Electrical Forum
  13. R

    1 inverter 2 3phase mtors

    Hi iwant to run 2 3phase motors 1 1.1kw 1 3kw from 1 5.5kw inverter,will be using contactors overloads on load side of inverter the reason is to sink the speed of both motors on the 1.1kw motor there will also be a mechanical speed control via a split pulley to give over speed on to the chains...
  14. J

    Separate fuses for 3phase supply

    Hi All, Just trying to double check if there's a reg suggesting a 3phase circuit should have over-current device that disconnects all line conductors at once? Got an old rewireable board supplying 3phase motors with 3 individual fuses. I'm looking at 530.3.1 ................... Can anyone...
  15. T

    3phase breaker made of 3 single phase breakers

    Hi guys, Is there a difference between 3 single phase breakers next to each other (with a linking bar) and 1 3 phase breaker? Does the 3 phase breaker have anything special in it or is it just 3 single phase breakers stuck together with a bar in the switches? Cheers, Tim
    • Tim
    • Thread
    • 3phase breaker breakers cheers phase separate single single phase
    • Replies: 13
    • Forum: UK Electrical Forum
  16. G

    Eicr 1361 fuses 3phase circuits from db

    Come across a DB in a workshop single 1361 fuse carriers three phase circuit. Does this go down as a c3 or c2? Potential if a fuse goes unit would stop but you would still have 2 phases at it??
  17. R

    Ze on 3phase industrial?

    Evening guys, I`m working on a small industrial unit at the moment. Most of my work is domestic and have not come across this before when doing commercial or industrial. The main supply is coming up through the floor and into the main 3 phase service head......along with this is what I would say...
  18. J

    480v 3phase

    Have 480vac system......check voltage line to line and loosing 1 line but check line to earth ground and get 272 line to ground........ Confused......if I loose line shouldn't I loose voltage when checked to ground?
  19. cashnotakite

    single phase RCBO'S on a 3phase board

    hi I'm having a problem with an RCBO tripping out and it is unlikely to be a N-E fault. I suspect the associated neutrals have been terminated into the wrong RCBO even though there is no load connected as all the RCBO's feed unused sockets. The board itself is 3 phase and I am wondering if this...
  20. S

    Pylon Transformers and 3phase Inverter/Converters

    I am considering buying an ex-agricultural building witha yard, for my business. The downside of this place is there is only single phase electricity present in the building, although there is a wooden 3 cable pylon in the yard (with a single phase transformer mounted). Could anyone give me a...
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