fuses

  1. D

    Fuse Sizing

    Hi I have been asked to size a few fuses up for some machines to protect against short circuit, i have been given the total kW which is 230 and its 3 phase 400V. What other information would i need? I Have had a quick guess at 450A put im not sure how to work it out. any help welcome thank you
  2. M

    Siemens install fuses

    Hi All project nearing completion block flats, installed Main switch tails for connection only small 200Amp 3 phase. all ready Ryefield installed meter boards all ready. head on up to trunking. tails installed 95mm TRI /BI rated Siemens arrive on site ah can't connect those tails anymore...
  3. W

    Hrc fuses

    The question is : Is there a difference in the protection characteristcs of a semi-conductor and a high speed hrc fuse can any one help
  4. B

    15A bs1362 fuse ????????????

    Popped up as a sugestion on ebay "you may like" It certainly got me interested. 15a fuse 1362 | eBay The common sizes are 3A 5A and 13A (seen a few 10A on older appliances and there is suposed to be a 1A 2A and a 7A but not seen these. No suprise its from China and on Ebay. Seached this...
  5. P

    13 Amp Plugs Without Fuses

    Hi Guys What determines whether a moulded 13 Amp plug requires to be fused? I have in my hand a cable for a 72 watt transformer. one end of the lead has a physically very small moulded unfused 13 plug which is stamped 10A 250VAC. The other end is terminated with a standard moulded female (2.5...
  6. M

    Megger MFT 1730 - Error code 76

    Just recently bought a Megger MFT1730. It comes up with a "EER 76" message when switched on. It eventually clears after switching on & off several times an allows testing to proceed. The batteries are fully charged. Any ideas?
  7. G

    hot fuse issue

    Hi just joined the forum, was hoping to get some advice on my old camper van, it's been running fine for years but noticed peculiar smell driving back one night. So checked all the switches this morning and noticed the main fuse is getting hot when I turn the headlamps on, have CHECKED all the...
  8. D

    rewirable fuses

    evening all - I have a question for some of the more learned members, I am currently trying to make a landlord understand that her rewirable fuseboard isn't up to date, so I know that in 1991 the 16th was launched meaning it wasn't to regs but I was wondering if there was any requirements in the...
  9. O

    Scantronic ion-16 alarm system shut down, can't get running again.

    Initially disconnected 4wires on keypad with power switched off at fused spur reconnected wires back in order system failed to reboot blank keypad all fuses checked hav had an electrician look at it but 2 no avail possibly keypad not sure.any help or advice much appreciated thx
  10. S

    Red fuse carriers

    Enclosed is a picture of a mains incoming supply to a block of flats as you probably already know. Now ignoring the odvoius faults (no blank plates) i am assuming that the red fuse carriers should infact be replaced with actual fuses??!! Out of shot is the landlords dis. board of which i was...
  11. M

    Rewirable fuses date, code

    1. Hi can you please tell me when rewirable fuses in consumer units were phased out. 2. A spotlight bar is fitted to ceiling with original ceiling rose base pushed up into void between ceiling and floor boards. Code C2? Thank you
  12. S

    Wiring & fuses required for new Neff hob & double oven ?

    Hi guys, A little bit of advice would be most appreciated: I have just purchased a Neff 4 ring ceramic electric hob with a total load rating of 6.6 KW & Neff double built in electric stainless steel oven (going into tall cabinet) both oven consumption of 0.79 KW each with a total load rating...
  13. driverman

    series 7 type fuses

    Help! got problem on site. I'm after several series 7 type fuses to satisfy BNO meter suppliers. The BG meter people want a series 7 fuse in front of each meter. Where can they be sourced from? Thanks tried some wholesaler..no joy so far
  14. U

    Why dont we use 1/2 amp fuses anymore explained

    If the appliance has 0.5 sq mm cable, the UK plug should (maybe "must" because of the wording in the Plugs and Sockets Regulations) be fitted with a 3A fuse, or 5A if high inrush. If the appliance has 0.75 sq mm cable or above, the UK plug should be fitted with a 13 A fuse. Before you get...
  15. A

    Solarmax

    Hi all, as you may be aware Solarmax parent company went into liquidation and all warranties and help sank with Sputnik. Well, as luck would have it I have 250kW which is going into device fault. Anybody know anybody who may have an idea about repairing these or do I need to refit with...
  16. A

    New circuits, Re-wireable fuses and BS 3871 mcbs

    Hyperthetical question re Commercial Installations- If you were to be installing a new circuit and/or reconfiguring an existing circuit which was served from a Distribution Board with BS 3871 MCB's or BS 3036 Rewirable fuses, would you suggest to the client that the existing distribution board...
  17. HappyHippyDad

    BS 3036 fuses not allowed for new circuits!!

    This is what my assessor has told me! He states that the BS3036 does not meet the 0.4s disconnection times and cannot be used for any new work. I do not have a BRB so cannot see the disconnection times for a 3036. Surely he is wrong? He is suggesting that we have to change the 3036 if we want...
  18. N

    40 watt candle type bulbs blowing my wire fuses.

    Hi guys my first post....we have in our living room a ceiling light filament with 5x60 watt candle type bulbs....the type with a wire filament, My prob is these bulbs are quite cheap at ASDA £1.50 for 4 but when one blows it also blows my fuse...we have old style wire fuses...5amp, We also...
  19. A

    Old cut out fuses

    Evening all, I am looking to get hold of a 40 amp cut out fuse to replace an existing 60 amp to provide adequate protection to a supply cable. I bought a BS1361:1971 fuse thinking it would be the correct fit (22mm diameter) but it turns out its about 2mm too wide to fit in the carrier. The fuse...
  20. N

    Fluke1651B Test Leads

    Hi, I have just purchased a second hand Fluke 1651B Multi Function Tester, which is caibrated and serviced. There was a set of new leads with it complying to GS38, with 500mA fuses in. Everytime I try to take a Ze it blows the fuses. Does anyone else have a Fluke MFT and if so what size...

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