overload

  1. D

    thermal overload rating on a stop start motor?

    hi im an apprentice and i need to know how to set a thermal overload on a stop start motor could you please tell me how to work out what rating i should set the overload relay to and maybe an example thanks
    • Daniel Son
    • Thread
    • aus motor overload rating start thermal
    • Replies: 1
    • Forum: Australia
  2. D

    how do you set the rating on a thermal overload on a stop start motor?

    hey im an apprentice and i have a question that i need answering how do you set the rating on a thermal overload on a stop start motor?
    • Daniel Son
    • Thread
    • aus motor overload rating start thermal
    • Replies: 4
    • Forum: Australia
  3. Jackflash

    Domstic overload

    Hello, My customer is in the process of turning an old outbuilding into a self contained flat. His spec includes 9kw shower, 3 x 3kw convector heaters, Oven with Hobs, 2 x -3-5kw under sink instantaneous water heaters, lighting and sockets. It has been suggested that this is to be supplyed via...
  4. O

    motor, contactor or overload fault?

    guys, got a motor tripping an overload. Too much current is been pulled however how can I be sure its the motor and not the contactor or overload that is causing the problems. Have checked resistance across terminals and compared with a similar circuit and tbh they are the same but I need to be...
    • One_of_them
    • Thread
    • aus check contactor drive fault modules motor overload
    • Replies: 3
    • Forum: Australia
  5. S

    kitchen hood extractor (industrial)

    Called out today to a commercial kitchen hood. Fan runs through a speed control DOL starter with overload and is interlinked to the gas proving unit. Fan tripped out today and took a while to reset. The kitchen manager said that he managed to get it to start again but it will not run on speed...
  6. L

    Motor Starters and overload protection

    Hi Guys I have had little contact with industrial motors and switchgear but would like to broaden my knowledge and would like some help.When choosing a motor starter what must be considered? obviously the loading and the voltage (230v or 400v), with or without isolator also overload protection...
  7. 9

    overload setting for a D.O.L starter, 0.65Kw motor

    overload setting for a D.O.L starter, 0.65Kw motor, I have got 1.2A i am just wanting someone to clarifly this please
  8. I

    selecting the appropriate thermal overload relay for three phase asynchronous motor

    i have a mixer of breed floor run by a three phase asychnonous motor for which there is no nameplate .i measured the starting current(10A) and the nominal current (6A) please help me to choose the right thermal overload relay for this motor also the good brand name . sincerly yours...
    • iswiss
    • Thread
    • aus current motor overload phase relay thermal three three phase
    • Replies: 4
    • Forum: Australia
  9. S

    Motor overload

    I really should know this but...... I have to rewire a church organ. Im using 24v dc as control voltage to get around earthing a metal plate and remove coil hum. However, the blower is the problem It is 230v soft start 2 HP (about 1500 watts if memory serves). Now do I need this to have...
    • simonspark
    • Thread
    • aus motor overload
    • Replies: 8
    • Forum: Australia
  10. M

    anouther pir question

    Did a pir to day and found the shed was fed from a 16 mcb in the fuse-board in the house then wired in swa to a rcd in the shed then to a socket. Now this doesn't feel right but cant find a reason why not you can isolate the socket by using the the rcd locally or at the house the cables...
  11. W

    setting a dol starter thermal overload

    as in the title can anyone help with selecting and setting the limit on a thermal overload relay, the motor is rated at 2.2 KW single phase, is it a case of run the motor at full load, clamp measure the max A then set the overload just above, or set the overload to just below the max CC Capacity...
    • Welchyboy
    • Thread
    • aus dol overload setting starter thermal
    • Replies: 5
    • Forum: Australia
  12. S

    Motor Overload requirements

    Hi, I have been asked by the local church to find out about some overload protection for a motor which is powering the church organ. I am new to this and was hoping you could help. The motor is wired to a Modular Heating/Lighting Contactor (Sector IMO hc25-40 25A) which is connected to the...
  13. telectrix

    Thermal Overload Problem

    Hi, Guys. need help to locate replacement overload. it's a 120deg.C., 250v, 2 pole thermal overload fo a griddle ( commercial kitchen.). It's approx. 1" square with 2 spade lugs at each end. I'l try and upload a pic.
  14. shakerbess

    induction type overload relay

    hi could anybody help need to find out the following please little stuck question: show how an induction relay maybe used together with other components to protect against overloads and earth faults on the transition and distribution system any help would be great thankyou
  15. J

    schneider overload

    I have fitted a schneider overload with bracket so its free standing no starter. I fitted it straight out of the box so its on auto when I pressed the stop button on it my motor kept running, is this normal or have i bought a faulty overload.
  16. telectrix

    Overload Help

    no, not my brain overloaded, but it's getting there. called out to a pub, regular customer. problem is his pub kitchen load. situation is:; Main DB supplies most of the pub circuits - individual MCBs. 4 63A MCBs each feed sub-DBs. Main Board is full, no spare ways. Problem is the main kitchen...
  17. J

    3ph motor overload

    I want to fit a stand alone 3ph overload to a 5.5kw motor its wired in delta (guess that doesn't matter) can anyone tell me what size of overload I should be fitting. I have been advised to fit a variable set at 13A mark. I think thats quite low any comments will be appreciated.
  18. spamwize2

    moeller overload not tripping

    we have a moeller z type overload through a contactor to a single phase motor, it is set to trip at 2.4a but doesnt! the motor is pulling 2.7a anyone any ideas why it isn't tripping
  19. P

    job interview SKILL TEST??

    ive got a second interview coming up for a large food manufacturing company which includes a skill test, any maintenance electricians here that have done one and what did it involve? or maybe your company sets them for new prospective employees?
  20. W

    Motor Overload

    What should the overload be set to for a three phase 0.5kW motor?
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