relay

  1. A

    Motor relay on Radial Arm Saw

    I have an old DeWalt 721 Radial Arm saw that recently stopped working. Initially I thought this was because one of the Start / Stop buttons disintegrated (came unscrewed) and spread its workings all over the floor. I subsequently changed both the switches like for like. (Rafi 1.10001)...
  2. E

    Overcurrent relay setting and position

    Good evening, I have a few questions requiring your expertise: 1) For a motor with a nameplate FLC of 44A: The overload relay trip setting should be set to 44A when connected in Delta and set to 44/(root 3)=25.4A when connected in Star. Is this statement correct? 2) Does the position...
  3. O

    Multi-fuel boiler stove connected to existing heating system using a relay

    Hi all, first of all I'm not a sparks so forgive my ignorance. We are currently getting a boiler stove installed. This involves connecting the plumbing and some electrical to our existing heating system. The Plumber has requested that our electrician installs a spur at the location of the...
  4. J

    Wiring a relay help

    Hi, could someone tell me how to wire a basic relay switch please. So I want to power my car stereo from my leisure battery when the ignition is off. Do I use a 4 pin relay with (30) connected to the leisure battery and (86) connected to the ignition. Or Do I use a 5 pin relay with (86)...
  5. S

    48 v adjustable relay for over system hot water heater

    How to have a hot water heater turn off below 50 v and on at 52 v. I have a 48v off grid pv system running our cabin. It has a 5000w inverter. I have been heating our domestic hot water during the day with 120vac and manually turning it off at night in order to preserve the battery capacity...
  6. S

    Starter relay no crank no start

    I have 1999 chevy suburban. No crank no start. I remove starter relay for about 45 seconds, Then put that same starter relay back in car. Now Car starts. Suggestions on what needs to be replaced? TIA. Steve42
  7. H

    Questions about relay 232 control protocol editing

    The 232 protocol command of AMX's NP-Rel8 relay has to hit the enter key at the end, which command can I use instead of it. Now this central control I have does not support the hit enter command.
  8. M

    USA Latching relay chattering.

    Can you supply a latching coil through it's own set of NC contacts? Or would it try to drop out as soon as it tries to pull in.
  9. Rockingit

    Recommendation for an RF tx>rx unit across a relay, please

    I need to find a decent quality ('set and forget') rf switch that can be triggered by a contactor or heating relay, distance is only about 10-15m from one outside pump house to another, standard London brick jobby. I've lost track a bit of what's out on the market these days - any suggestions...
  10. A

    Why not use a latching relay to power the headlights instead of two regular relays?

    I was wondering why why not use a latching relay to power the headlights instead of two regular relays? It seems less complicated to me.
  11. B

    Removing a relay

    I'm trying to learn more about relays. Can someone link to a resource that describes how they work? I mean like a wiring diagram of 1L1 3L2 5L3 2T1 4T2 6T3... Here is a LC1K09 that is connected to a lighting circuit. What are the alternative ways to remove/disconnect it and instead have the...
  12. O

    Issues using a time delay relay for my second fuel pump (diagram included)

    I'm using the stock fuel pump wiring to trigger two different relays for my two fuel pumps on my car built for drag racing. The first relay is a normal relay and the second relay is a Beuler time delay relay (it's a BU-508TD model which has since been replaced by the BU-509TD, but they function...
  13. F

    Question for double coil DC relay

    Hello,can someone explain what is lagging auxiliary contact used for in DC relays(control circuit)and why is it N.C? Thanks
  14. K

    Negative switch relay

    I wish to run a 12v fan in the cabin of my car, only while the engine is running. I wanted to use the alternator charge wire, connected to a relay, so when it switches off, the relay opens. But my car doesn't have such a wire on the alternator. I'd like to use the oil sender wire. This is a...
  15. R

    Wire gauge query when doing relay conversion for headlights

    Hi All, The headlight (Dip and especially High Beam) on my motorcycle, is know to be able to be greatly improved when converting the wire feed instead of being via the switch, over to a more direct feed via a couple of relays. At the same time instead of the 18 gauge wire via the switch being...
  16. D

    Will a 24V 16A relay work?

    I have an inverter powered by a car battery that I use when 220V power goes off (see block 1 below). I use a battery charger to charge up the battery before I can re-use it (see block 2 below). Id like to connect these devices so that the battery is charged when 220V power is available. (A...
  17. E

    GPS remote immobilisation feature. Wiring issues.

    Hey all, thanks for having me. I'm fitting a GPS tracking system into my van (Renault Trafic 2005, 1.9l Dci) and I'm trying to install the imobilisation feature. Once wired in it will let me remotely disable the fuel pump. However, I'm struggling to get any information on the wiring of the...
  18. N

    Adding AUX lights (with switch button) to existing Fuse Block/Relay system - do I need another relay for the AUX lights?

    Howdy folks. Complete electrical numpty back again with another basic question with a basic answer that I can't find an answer to elsewhere online. I am setting up an auxiliary fuse block/relay set up on my motorcycle. I have attached a photo of what my basic fuse block/relay system will be...
  19. N

    Help needed with a simple motorcycle connector issue (novice)

    Hi all. I decided to sign up to reach out to some experienced folks who may be able to point me in the direction of how to make this work (and more importantly, the right way). This is going to be a piece of cake for everyone here (but me) I am sure. To keep a long story short, I am setting up...
  20. H

    Can anyone tell me please how to wire 3. 8PIN relays?

    Can anyone please tell me how to wire 3 8Pin relays together? Those 3 relays are for access control controlling the doors, so when the fire alarm triggered will disenergized those 3 relays and unlock the doors. Thanks

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