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relay

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  1. C

    Replacement for Relay 38-T129C4238

    Trying to replace an old relay in my well pump. When I search for the product id 38-T129C4238 it says it's been discontinued.. The only other things left on the label that are legible are: 18-811 256 V 60 HZ A P - 277 VAC Product's Unlimited Can anyone point me in the direction of a...
  2. P

    Relay switching max voltage across contacts

    Thought i would put this out there for any experience faced with this design issue. TP Immersion heater 11KW, has built in contactor, coil voltage 400V I want to bring in the immersion heater via control system and ideally not alter the immersion heater package. The control system can operate a...
  3. tank

    UK Continuity Relay

    Hi guys, I want to switch a 24 v load on using just the continuity of NO voltage free loop. Does anyone know of a relay or device or method that I could use to do this? thanks
  4. R

    +12V 200A Relay Isoator or DC to DC charger

    Hello I currently run a lead acid 102A auxilliary battery under the bonnet of my Nissan Patrol for the purpose of powering a 70 litre Waeco car fridge. I intend putting in a second auxilliary battery (AGM type 130A) in the rear of my Patrol to get some more life out of the fridge. The current...
  5. 3

    Rear Wiper motor relay wiring

    My rear wiper motor is connected via a Lucas SRB501 5pin relay from the loom to the motor. I have no reference for wiring. The motor has power as it parked, but won't operate from its brand new switch. I just wanted to double check my wiring, before ordering a new relay, if it is needed. So far...
  6. D

    Help on Identifying a PLC and electro-magnetic commercial start/stop/retain relay system

    So for one of my tasks on my assessment I've bee asked this question: To ensure that the conveyor system is safe and complies with legislation, compare the construction and operation of an elecro-magnetic relay system with a PLC system that controls a 3-phase contactor. Include appropriate...
  7. B

    220 Volt single phase Contactor relay controlled by 2 switches

    Hi, I am looking for help wiring a 220 Volt single phase Contactor relay that has a single A1 Coil terminal to be used with 2 float switches to control a pump. I know how to connect a single switch to the relay but unsure how to add the second switch. Each switch can be Normally open or...
  8. D

    Safety relay circuit diagram for a robot cell. Please Help

    so i have been given this diagram and no explanation on what nay of it does, its for a safety relay for a robot cell it says this: 'Safety relays can made up of 3 relays (CR1-3) to ensure redundancy and cross monitoring, and can be applied to the following applications: ■ Emergency Stops ■...
  9. D

    Time relay control circuit

    Hello to everyone. I'm designing a control circuit. But I am having a problem somewhere. The time relay will output at a certain time and the lamp will turn on. But if I press the Stop button 1 time, I would like the lamp to permanently cut off the energy even though the timer continues to...
  10. D

    Draw a start/stop/retain relay control circuit for a 3 phase drill machine

    Hey, I'm just wonder if I can get some feedback on this drawing that I've made? any feedback will be very appreciated thanks in advance.
  11. P

    Wiring an add on DRL to vehicle - relay use and diode?

    Hi My daughter wants to add some DRLs to her car. The wiring diagram attached is being followed. I had heard that relays require a diode across the coil so I have shown one in the illustration (see grey line work). Is a diode actually required in this application or not? Thanks DRL = daytime...
  12. J

    Omnik Inverter throwing Relay Check Fail Fault

    Have a fault reading; Relay check fail. Done some research and replaced the x2 check relays with quality components. Still have the same fault sadly. Any thoughts ?
  13. udud22

    3 Phase Control Relay

    Hi, I am new to HV Electrical Stuff. I am trying to use a emergency stop button to kill power to BOX A remotely. The wall socket has 3 phase 380V supply without neutral. I want to introduce a control relay between BOX A and Wall socket. The remotely operated cable (20 metres) with Emergency...
  14. D

    Relay wiring assistance

    I have 3 locations that have a relay controlling a pump, each site is several miles from each other and when my SCADA system calls for RUN all three relays energize at the same time. What I need is a local control that allows only 2 pumps to run at the same time but they need to alternate...
  15. V

    Relay Coil Question

    Hello. I'm doing a project in my car with the help of a relay. It is working fine but I need some advice on something. The circuit that serves as a switch to the relay provides 12v with the car off but with the engine running it provides around 14v. My question is, is this too much for the relay...
  16. G

    Can anyone help with wiring a wifi relay module?

    I've got this wifi module that is supposed to be able to be used on a 2 way lighting circuit. I temporarily rigged it up to a mains plug with a 2 way switch and a 1 way as if it were on the stairs.A works well.then when i put it in situ it doesn't work I have a live and neutral to the switch...
  17. V

    Relay Noise

    Hello everyone! I'm doing a project in my car where I have those kind of courtesy lights on your feet when you open the doors. To achieve this I used a relay, the switch to turn the relay on is the lights on the roof and the power for the LEDs comes from a piggyback fuse from the fuse box. With...
  18. D

    Schneider XPSAF 5130 Safety Relay

    Hello everyone. I'm new to this forum site. I wish everyone good work. The question I want to ask is; I have the Schneider XPSAF 5130 Safety Relay. With this relay How can I have the engine stop when a sensor stops output (eg when the cell door is opened). Manual (Click This)
  19. B

    Adding a relay to the timer on my submersible 1/2hp 230v pump. It was recommended by the timer manufacturer.

    Looking for advice to add a relay to a well pump timer. 1/2 hp 230v submersible @750’. The timer is rated at 10amp. 1578238119 Does anyone have any recomendations?
  20. Z

    Coil relay switching 2 power supplies

    Hey, Total noob here so please be patient ? I have two power supplies mains 220v in a type of small cabin/house every day around 8am they cut of the good supply and leave it off for a few hours then turn it back in again. What I would love would be a contraption that switches between the...

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