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contactor

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  1. B

    What contactor size for a 9kw electric boiler

    Hi all. Don't have much experience on this topic. Called to a job with an electric boiler. It has a dedicated 10mm supply from a 50A MCB. I narrowed down the fault the the contactor which was only feedig 1 of tge 3 elements and had scorching marks around the other 2 terminals. And is currently...
  2. Soulsurfer

    DOL starter / contactor

    Hey all, I have a couple of jobs to look at which one is apparently not working right as is a single phase supply through a D.O.L starter / contactor for I think a borehole pump and another that is running a fresh air ventilation system and is now tripping out ! The thing is I've never needed to...
  3. B

    Contactor wiring on outdoor lighting

    hi wiring up this single phase contactor for lights which are wired in 3 core, I presume they just terminate Brown 2T1 and Blue 6T3 cheers never has experience with a contactor before and earth to earth bar
  4. A

    Shunt trip in a domestic CU? Looking for a complaint way of remotely switching off power

    Hi. A thought of a domestic fire in my house terrifies me, so I installed a really sophisticated fire alarm in my house. This system optionally can even turn off the gas valve (it has a motorized arm which is installed on the main valve) and switch off electricity in case if the fire is detected...
  5. M

    Moeller contactor looking for equivalent.

    Hi, can anyone guide me to an equivalent to the 3phase Moeller contactor .DIL A-XHIC31 ? Thank you in advance.
  6. S

    Old Council Controlled Central Heating Contactor

    Hi, a friend of mine has moved to what once was a council house, and has a contactor that was apparently used by the council to control the heating. He wants to change over to an economy 7 type meter. The DNO won’t do anything until the contactor is gone, but won’t touch it themselves. It’s not...
  7. jaydub

    DOL Starter / Contactor questions...

    Hi guys, I have very limited experience with starters and contactors as my work has always been domestic and have not once come across either that I've needed to work on. Until now... I have been asked if I can update a swimming pool control panel and I think I have the general idea but am...
  8. G

    Lighting contactor wiring

    I've not had to do a contactor before and just want to check the wiring of it. It's a 2 pole contactor with a1/a2 and 1234 Am I right in thinking that A1 = perm live A2= neutral 1= live to light 2= switched live Not really sure on 3 and 4 Thanks for any advice
  9. R

    Wireless contacter for boiler enable

    I am looking for a 2 part contactor to transfer a boiler enable signal from first floor to ground floor where there is no practical way of running a cable. In short the unit needs to receive a 230v call for heat from the wiring centre and send an RF signal to a receiver contactor that will call...
  10. S

    Lighting circuit controlled by a time clock and photo cell through a contactor

    Hi gents, I am going to a job to install some new external lighting on a factory on Monday. There are 5 new circuits to run in total. They want these to be controlled by a time clock an photo cell but also run through a key switch and contactor. It’s been some time since I wired contactors and...
  11. I

    Hot water Contactor issue

    Evening all. I admit I am not affay with the workings of contactors however, I have come across a domestic property that heating and water powered via economy 7 electric. Recently, the water is running luke warm to cold. I have tested the circuit within the property to ensure there is a...
  12. A

    Understanding lighting contactor

    Hi guys, I'm new on here, I'm a level 3 apprentice, most of my experience is commercial and domestic, my boss has just taken on a large industrial job, in which we are testing and rewiring everything, first we are doing the lights, we will be fitting some lighting contacters, which will run...
  13. M

    Protek ika20 20 20A contactor

    Hi, Im not very pc savvy and I'm not sure if this info is available elsewhere on this forum but I'm looking for a protek ika20 20 contactor for a client and i'm struggling from our usual suppliers. Does anyone here know of a supplier please? Thanks
  14. B

    Rf relay controlling 100a contactor. Chatter over time.

    Hi there. I'll explain the setup first. 25mm 2 cable single phase tncs Into 3ph 100a contactor. Only switching line. Out of contactor into supply side of a consumer unit. Coil Is controlled by separate 6a circuit with a lightwave inline Rf relay. I've changed the contactor as upon...
  15. GMES

    Hager contactor guide

    GMES submitted a new resource: Hager contactor guide - A guide for contactor choices Read more about this resource...
  16. D

    Magnetic Contactor Over/Under Voltage

    What voltage should be used in the UK for a magnetic contactor? 240V, 230V or 220V I know over voltage and under voltage can lead to the coils being burnt out over time. From the wall I am drawing in around 235V but when being used it drops around 225V-230V. Is it still wise to buy the 240V...
  17. V

    MEM/Eaton 22ALCFP Contactor

    Went to look at a job today for a customer whose electric underfloor heating has stopped working. It had the contractor mentioned in the thread title installed. It appears from the brief look that I had this evening to be four pole with the output voltage for the heating elements being fed from...
  18. M

    Contactor query

    Don't come accross these that often but today I have one that is buzzing a bit and is warm (compared to it's neighbouring mcb's) but not hot. It appears as though it is the control input that is causing the noise and heat as I am able to turn the loads off. It is a Hagar ES240. Does this need to...
  19. L

    Recommendation of Ultra Quiet Contractor - Underfloor Heating

    Hi All; I have a flat with 6 areas warmed via underfloor heating. Each of the areas are controlled by its own thermostat Microline Ultra-Thin Thermostat with display, and there are 2 models used: 2 x OTN2-1991 with floor sensor (bathroom) 4 x OTN2-1999 with built-in room sensor (other rooms)...
  20. L

    Timelock with Photocell then Contactor with a Keyswitch

    I have got a little job to do tomorrow and need some assisstance. I need to install a contactor for some outside lighting. Can anyone draw me up or explain as best as they can how to wire the following, I have a rough idea its just the last time i wired a contactor etc was many years ago A...

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