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ups

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  1. Davisonp

    Any Recomendations for a UPS Power Supply?

    Hi, Can anyone recommend a low cost UPS to clean up a power supply? Also, I was wondering if a UPS would synchronise the output sine wave phase to the input phase?
  2. J

    Uninterruptible Power Supplies (UPS)

    For a 240 AC volt house, sometimes the light goes off, to prevent my modern TV (54Watt), DVD player, Playstation, Xbox from damage. Can you please recommend a good UPS. Is it just a case of adding the wattage of each device together. I have 5 rooms each room contains an air-condition, TV...
  3. DPG

    UPS spec - help required.

    Morning all, and happy Friday! I've been asked my advice on what UPS would be suitable to run an ICT machine (ICT=In Circuit Test, it's machine that tests electronic PCB assemblies). Now it is fed from a standard 3 phase supply, but I am confused a little by the rating plate - I've attached a...
  4. K

    Backup switching - UPS

    Hi All, I am looking some advice regarding what device/s would be required to do the following: I have a fairly heavy duty UPS (APC 2200VA, supports max of 1980 Watts - it's pure sine wave if that makes a difference). There are a few electrical items attached, totalling no more than 150 Watts...
  5. Perci

    UPS supply problem

    Hi Recently we were asked to put in an 80A 3 phase supply to a UPS system, we carried out the work to the manufacturers guidelines with an 80A mccb in the panel board. To much annoyance of all the office workers, when the supply was turned on it blew all 3 of the main fuses that are rated at...
  6. H

    UPS connection common neutral supply & load

    Hi Maybe im over thinking this but need to connect a UPS system to a control panel, the problem is the ccts i want to connect to the UPS are split & all the neutrals are all connected to a single busbar connection unit at the moment which is all normal, but i need to connect a UPS to power...
  7. multimick

    Ups

    no not the delivery firm. office has a 3 gang trailing socket powering a pc tower and 2 monitors .They say they are experiencing very short power cuts (less than a second) taking out the pc.Thinking of a UPS in front of trailing skt. Any ideas guys ? ring final checks etc are fine
  8. uksparks

    UPS on light circuits

    Hi, I have not thought this through yet so don't give me stick yet. I was just thinking of putting emergency lighting around the house as saw some really slick little LED things which are very discrete, anyway, it made me think, well why not just stick a UPS supply next to the consumer unit to...
  9. M

    B type breakers with in line UPS

    Hi I'm hoping that someone can help. I am adapting some circuits which are supplied via an in line ups. At present, the ups supplies a 72 way db and the final circuits are supplied from the DB. This is a laboratory research environment and it is expensive (about £20k a time) when they...
  10. S

    New buisness/start ups

    Hi this is sirectley for old employees or people who run there own company. I want to eventuall start my own electric company, mostly commericial and some domesitc, Its going to be a small local company and I will also be independant. I was wondering how much people earn on there own...
  11. T

    How to repair UPS 3KVA from Up Select

    My UPS 3KVA, from Up select has problem: when I turn it on, CB break and no output, I check boost circuit is ok but no output, please help me or anyone has circuit diagram?
  12. F

    NVQ Level 3 Job write ups

    I am looking for some assistance in regards to my job write ups. In all honesty i don't know how to start. The course advisor is not the best and seems to want to tell me to put it off for now but i want to get started as soon as possible. Does anyone have any examples they are willing to...
  13. D

    Used UPS systems

    Hello gents Ive been a sparks for 20+ years and work mostly in office refurbs. I come across so much old computer equipment and UPS systems all in great condition and it all just gets dumped....Im just asking if anybody knows of any companies that buys back at a fair price any used equipment...
  14. Doomed

    Caravan hook ups

    Testing a touring site for the first time - a.n.other has been doing it for years. Incoming TNCS to glorified shed in field, outputs to hook ups earthed by SWA sheath, not connected to the big metal dis board, terminated in plastic boxes and connected to a rod so is theoretically TT'ed. However...
  15. R

    generator feeding a UPS

    In a set up where a generator is feeding a ups unit on power failure, is the earth used from the board feeding the UPS or does the genny need an earth electrode, also what about the neutral earth reference is mains neutral in the changeover never broken.
  16. B

    Biggest **** (Foul Ups)

    After working late on Monday in what I thought would be an easy PM job.. 2 spot in a on suite.. Doodle.. So i start with the first which is above the shower cubicle.. as I am a short --- I need the steps. So position the gear in the cubicle (Tools Etc) i carefully get the steps in and shut the...
  17. B

    Emergency Power Systems / UPS

    I am trying to find more information on emergency power systems in public buildings. Is there a definitive source of information out there that I am missing? A Guide, code of practice, regulations, etc.
  18. T

    Generator and UPS

    Hi all. Hoping somebody can help with an issue I'm having at a school I do maintenance work at. They have a geni with auto transfer switch and ups providing back up to the IT equipment and phones. The ups works fine when geni is disconnected, but as soon as the geni fire's up the ups goes...
  19. S

    Ups output voltage anomaly

    I have been looking at an active UPS system in a lab feeding a small consumer unit and carrying out a periodic inspection of the fixed wiring (much help on avoiding problems with Zs values thanks to other posts on here). I did however come across an anomaly on the actual output voltages under...
  20. J

    6500va ups

    riello ups 6500kva power daily plus | eBay 6500va ups system with two battery box towers and change over switch All batteries are with it still in separate original boxes but as this unit was bought 5-6 years ago I'm unsure if they will be ok All was bought brand new as said 5-6 years ago...

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