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relay

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  1. bigspark17

    Relay instead of contactor.......

    hi i need a relay instead of a contactor for a large room with two electric ufh mats, relay will be quieter than a noisey contactor, need 16amp 2or 4pole 230v, Where do youguys/gals buy yours?
  2. J

    Overload relay with aM fuse

    Hi Can we use an aM fuse with overload relay,? If yes can an aM fuse protect the conductors from damage incase of short circuit Since i suppose aM fuses are used only for motor protection and cable. How will cable protection achieved when aM fuse is used with an overload relay Please explain...
  3. Tardigrade

    Could a relay switch be causing the havoc in my home?

    Hi guys, Don't know if I picked the wrong builder, products, am desperately unlucky or its the relay switch...all help much appreciated! Background facts • Back to bricks refurb of duplex flat, all new wiring etc. • Upstairs en suite utilises same in line fan as existing bathroom. Builder...
  4. I

    Vesda vls relay disabling

    Can you guys tell me how to disable relays in vesda to make it normal working condition .thanks alot. Hoping i will get some good knowledge from you superiors.
  5. P

    Chinese Universal Car Alarm System - !!!Immobiliser Relay wire issue!!!

    Hi guys I bought kit of ,,360 Degree Universal Car Remote Control Central Locking System Kit Car Security Alarm Immobiliser Shock Sensor for 2 Doors,, for my Nissan Navara 1991 and I am struggling with Immobiliser Relay wiring. I am posting here wire diagram of my alarm and I will really...
  6. M

    24vDC relay to Switch 230vAC light circuit

    Hi Guys, New to the forum, and probably posting this in the wrong place but hope you can help. I have a garage door control panel that has a 24v dc output (4 W max) that activates when the door is in operation. I want to use this to activate my relay and switch the live to a 230v light circuit...
  7. Leesparkykent

    Fibaro relay and two way switching.

    Any one used one before? Picked up a job with a complete cockup on the wiring of the switching. Basically it boils down that I don't have enough cores to get the two way working...after a bit of googling I found this Vesternet APNT-92 - 2-Way Lighting using Fibaro Relays | Home Automation...
  8. N

    Adding a relay to Thermostat

    Hi forum, I am trying to fit a relay to my boiler and then to a raspberry pi zero. The pi has a humidity and temperature sensor to moderate the heating. This is basically a DIY 'Nest' project. The current setup is an age-old thermostat and analog timer. I've wired my relay with Common...
  9. F

    Does such a relay exist? Or be built?

    I was wondering if anyone could tell me if the following relay exists, or can be easily built using off the shelf parts? I need to monitor 3 x 240V inputs and switch 1 x 240V output. However, every time one of the inputs is activated, I need the output to disengage for a period of time before...
  10. B

    Starting car relay issue???

    Hi all thanks for any help in advance!! I’m having a issue with a car that will only start if I use a bigger starter motor relay, the car originally uses micro relays from the factory, the car so far has had a new starter motor, new ignition switch and a brand new micro relay none of which have...
  11. Rocboni

    Safety relay Implementation

    Right, looking for some info from some of you control gurus. So I'm very interested in control sytems, panels etc have even built a few and have come across safety relays, trying to get the hang of how they are actually implemented into a control system, I've studied plenty of the safety relay...
  12. S

    Simple relay for secondary pump circuit

    I am looking for guidance on adding a second pump for the underfloor section of my central heating. I am using a blending valve for the UFH supply by teeing off the main boiler feed into the 3 way valve and then to the pump and UF circuit valves (2). I am ok with the wiring I simply need a relay...
  13. Mishto

    Amptec Electric Flow Boiler Relay Control Alternatives

    Hi All, First post for me . Am about to replace/install two Amptec C900 electric boilers (from old Amptec to newer Heatrae Sadia versions). Under the current regs and specs for these boilers it is recommended that two relay units from Heatrae Sadia (RF 1 & RF 2) are used. One to insure pump...
  14. P

    Central heating controlled by raspberry pi and relay switch

    Hey guys, im not a professional electrician, I just have a basic knowledge of some stuff. In order for me to be able to explain what i want to do, I will first explain what is in place at the moment. We have a 3 zone programmer which we never use as a programmer, we just turn on each zone...
  15. H

    Protecting a boiler with a relay

    I am fitting a Heat only boiler that just serves the radiator circuit, the boiler has its own dedicated block terminal connector on the PCB but I cannot connect the pump to it as we normally do, the pump is a commercial type and Worcester Bosch have stated it will damage the PCB because of the...
  16. M

    Electrician Jobs Relpol Relay 8 pin with a zone valve and circulating pump

    I have some problem to hook up a circulating pump with a zone valve and 1 thermostat to control it, can you help me to hook up this correctly.
  17. the pict

    Boiler relay options

    A new. 10k boiler has been installed where there is an existing shower normally i use a RL1 voltage relay but is there perhaps a current sensing relay which can be used instead Pict
  18. R

    No Start - No Crank issue, starter relay help needed

    Hello guys, just found the forum while searching for electrical help with my car not starting. I have a no start no crank issue. It's been running fine until yesterday. Car is an Astra H 1.7 CDTI 2004. With the ignition on, all dash lights are on but no crank. Brand new battery fully...
  19. A

    Relay wiring for pool switch

    Anyone able to throw some light on this, Have power to the relay, the pulse switch switches the relay, but not getting any power on terminals 1 3 or 5, am I missing something?
  20. 8

    Electrician Jobs Need a specific relay - If exists???

    Gents I am requiring a 12Vdc Relay that is normally closed, but I also require the relay to delay before returning to closed position (when de-energised). Are there relays on market that do all this combined or do I require a seperate time delay module of some kind?

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