dol

dol

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  1. W

    Connect retic controller to Dol contactor

    Hi, after some advice as my retired electrician father in law can’t figure it out. We purchased a house with a bore, I have attached the current setup in a picture. The dol contractor is always on so we have to use the isolator switch to turn off and on (he said saomething about the isolator...
  2. Y

    Singel Phase Wiring for TeSys LE, enclosed DOL starter, 12...16 A, 240 V AC coil

    Hi, Trying to wire this 3phase switch as single for a table saw, told I could do this from guy at Haymans, even told 2nd time which wires to connect, didnt work, other tradie at work couldnt work it out either. have L1 and L2 and N and T1 and T2 on bottom from diagram any help please?
  3. C

    Star/delta starter to dol 4kw

    Hi Changing a 3 phase star delta motor and replacing with a dol 3 phase motor. Would i be right in thinking I can remove 3 of the 6 cables at the isolator and make sure I use the ones coming off the delta contactor to get the motor up and running for now.
  4. K

    DOL starter wiring problem

    Hi I have problem wiring up DOL starter Circuit trips breaker when try to start I must be wiring something wrong Any help would be appreciated
  5. D

    DOL Starters Automatic Change Over

    Guys I have 2 DOL starters which share the same supply for 2 toilet extract fans I have a selector switch wired up and and a set of auxilliary normally closed contacts on each of the DOL starters to prevent both fans running at the same time. If possible could some one point me please in...
  6. W

    4 post Bradbury liftmaster dol starter

    Hi all From the outset I'm not in an electrician. I am posting here because I'm thinking the subject matter is quite specific and will prob require some historic knowledge/ experience - I'm hoping someone will allow me to benefit from their knowledge. I am converting a Bradbury 4 post lift...
  7. Aaron b

    DOL with external e-stop and auto-start timer

    Hello, I have recently designed a system including a pump. It is only 4amp and it is controlled using a crompton DOL. An external twist to reset estop has been incorporated in the circuit in series with the stop button. The client has requested the addition timer to autorun the pump daily. I...
  8. J

    Dol not staying on

    Dol contact not staying on Ive had a spark we’ve used before at the workshop wire up this new dol switch for a bandsaw we have but the on switch doesn’t stay on after you release the button. Spark can’t figure out the problem and is welcome to try any ideas. Photos attached of current wiring.
  9. F

    3 phase compressor DOL wiring

    Hello. I bought an old three phase compressor but it has come without a starter switch. Just five cables, two for the pressure switch and three for the three phases. I have a DOL starter switch, but I don't know how to wire it to make the compressor come on and off with the pressure switch...
  10. M

    IR Testing DOL Motor

    When testing a DOL motor is the best method to disconnect the cables from MCB to DOL and connector block them. Then disconnect cables from DOL to Motor and connector block them and then IR both set of cables. Or would switching the isolator off and test from MCB to DOL then DOL to Motor without...
  11. T

    Motor controls, DOL starters etc

    Hi all. I'm looking to build myself a rig with a small single phase motor and learn a bit more about motor controls etc. I mostly do domestic and some commercial but haven't much experience with motor controls. I always looks at ways to improve myself and my electrical knowledge. Most DOL...
  12. M

    Contactor to DOL starter & switches

    I have a DOL starter (https://docs.rs-online.com/c08c/0900766b81586106.pdf for reference) that I want to connect to my ac motor. I understand that the dol starter has a built-in contactor. I want to connect two other switches, a tilt and a proximity switch. Is it possible to connect these two...
  13. S

    UK DOL Starter advice

    Hi all I would like a bit of advice to do with a DOL starter ill be fitting. Basically I'm replacing an old water damaged crabtree DOL starter with a new mcg DOL starter. The old coil was pulled in via a single channel heating timeclock and the new one will need to be too. The old DOL just had...
  14. L

    Question about am2 dol

    Hi guys just a question about am2. When setting the dol overload relay does it have to be as close as possible or do I have to add a percentage on top. So for example the kw rating of the motor is 0.55kw so ive worked it out like this ... 550 divided by 693 which gives me 0.79 and on my dol i...
  15. S

    Compressor 3hp motor DOL starter question

    Hi, I kinda think I know the answer to this but will ask opinion anyway. I am fitting a new compressor pump and motor to my receiver and have bought; twin cylinder pump; 3hp motor (2.2kw) Although, the motor looks like this So, I upgraded the ring main that the compressor will use in my...
  16. C

    DOL Switch Wiring

    Hi Guys Can anyone out there help me, I’ve got a DOL Starter Switch which I want to use for my woodwork machine, but at the moment it keeps tripping out. The switch is for a 3 phase supply 240 volt, I believe they can be wired for a single phase supply which is what I’m trying to do. The...
  17. Pete999

    AM2 DOL Motor

    Trying to get my head around something for a youngster I know about to study for AM2. Someone mentioned that one of the faults has something to do with the Motor running in the wrong direction and what is the way to reverse the rotation, I take it that the Motor is 3 phase am I correct? Not done...
  18. Pip

    DOL starter switch Trips out

    Advise Please. Called out to my local farm, who deal in fruit and veg, to a DOL starter switch which cuts out after a minute or so. This switch controls a 415V 5 amp 3 phase motor running a conveyor belt, and has done so for a number of years. I replaced the switch with a second hand one I had...
  19. S

    DOL Starter / automatic dust extraction system

    Could I use a DOL Starter circuit to create an automatic extraction system? I was thinking that I could replace the start button and simply wire in a socket instead. So hypothetically if I plugged in and switched on an electric palm sander, it would start up my dust extraction systems (via the...
  20. S

    Volt meter reading 760volts in 3phase dol starter overloads

    Hi I have been called out to a fault on a grain dryer where the motor interlocks are not disconnecting. Previous conveyors. Upon investigation I have found one starter that does not disconnect the preceding motor but when tripped I am getting 550v to earth from a1 and wait for it 760volts to...

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