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  1. D

    sizing up mcb and a contactor

    just confirm it is not 3 phase. it is a standard UK 240V 3 pin plug.
  2. D

    sizing up mcb and a contactor

    it's a chinese drive and all it says it to make sure a circuit breaker is used. the only relevant info is the current it draws and the peak current of 30A
  3. D

    sizing up mcb and a contactor

    I have a servo drive that is rated 10AMP. It then has a second rating refered to as it's Peak current : 30AMP 1) Do you size a MCB using the Peak current rating or the standard rating? 2) Again when choosing a contactor would you go for one closest to it's peak current rating or standard...
  4. D

    Electrics came back on without doing anything

    was rcd. connection loose
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    Electrics came back on without doing anything

    starting to wonder if the house is on two circuits. one for house and other for garage. it's a under ground garage. some greenery n maybe some old roots dislodged main power coming in. nothing gets tripped out. might have to call northern powergrid. are you an electrician? im also s. yorks.
  6. D

    Electrics came back on without doing anything

    no i dont. i saw him take covers off the sockets, check wiring isnt frayed etc. then put multimeter on it to check neutral or something. i suppose if everything is working you wont find error.
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    Electrics came back on without doing anything

    it came back on. electrician came and checked sockets and said everything there seemed alright. was okay for a few weeks, weathers been alright, been chucking it down last few days and went again today when using angle grinder for ten seconds. how can electrician check for something wrong when...
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    Electrics came back on without doing anything

    completely gone now sockets and lights , without coming back, been dead a few days so it was something that was intermittent and now dead.
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    Electrics came back on without doing anything

    electrician came just now. and at that moment everything started to work again . sockets, lights all by it self. he then tested the main 63 amp fuse by pressing on the circle yellow button and that little white sqaure i was telling you about on previous post became yellow and he said that's...
  10. D

    Electrics came back on without doing anything

    went into garage today turned lights on. ten minutes later, dead. not coming back at all now. , wonder if this cold winter has something to with it.been freezing last few days it is completly dead now in garage. like i said its got it's own board. theres two trips for sockets and one trip for...
  11. D

    Electrics came back on without doing anything

    All electrics in the garage went out. It was caused by a heater fan I had one for a hour or so. It is a very very old heater fan. I presume it's got a fault. Anyhow there is a board in the garage and also a board in the house. The house lights were fine and nothing tripped out. The garage...
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    Max amps from UK socket

    Right. Thanks for the help on the welder. The three motors are for a air flow bench i've built. They are all wired up to one motor controller unit. From the motor controller unit, one cable to the wall outlet. The motors are 240V 5amp. Will this be okay?Or I need to separate the feed into...
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    Max amps from UK socket

    At David M. I am only welding 3mm and its is just a small project. Building a frame out of box section thats all. 3mm box.
  14. D

    Max amps from UK socket

    From the ebay seller that is selling the unit: "No this welder will not run on full power from a 13amp supply it would require 16amps. So it will not be able to run from a domestic 13 amp plug supply."
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    Max amps from UK socket

    But I got this direct from mig welders forum: "uk households are 240v 32amps on your plugs the 13amp plug can be used with the clarke 151 no problem at full power i also have the plasma cutter cut 50 and have run that on a 13 amp plug with 45amps so you will be fine on most plug systems"
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    Max amps from UK socket

    Clarke MIG151EN Turbo 'No-Gas' MIG Welder | eBay - http://www.ebay.co.uk/itm/Clarke-MIG151EN-Turbo-No-Gas-MIG-Welder/370950595960?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m1438.l2649 Clarke-MIG151EN Also have three vacuum cleaner motors that need to run at the same time: Each motor is...
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    Max amps from UK socket

    I have been told I can use a 30Amp welder from a normal UK socket. But I have seen numerous posts that say 13amp is max from single socket and 20AMP is max from double socket: I must be missing a trick. Some internet postings below. "Double sockets are rated for 20A draw, over this long term...
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    Voltage Flucuating /Stablizer

    I believe a closed loop system is required. I have not taken into account motors warming n cooling down which affects air flow. thanks for your help.
  19. D

    Voltage Flucuating /Stablizer

    There are three motors in the bench. Each one using it's own power supply on separate sockets to prevent over load. If there a way to have a display unit that can read all three voltages and display the average? If there is then the problem is solved because I can then take all my manometer...
  20. D

    Voltage Flucuating /Stablizer

    1)Someone else mentioned close loop system. I don't quite understand that. Is this a system where there is some feedback device (mechanical or electrical) that can keep the characteristics constant? 2) Just small block 1.4 16v Head

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