dc power

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  1. E

    DC Wiring help

    Im looking for some advice on some dc wiring i have in place. Currently i have some monitoring equipment that wont run when connected to a run of wire about 40m long (1.5mm diameter) it is connected to a 12v 100ah battery and what i think is happening is the voltage drop over that distance is...
  2. edexlab

    DC power supply and generator

    Evening all I'm looking at a machine which has a B&R HMI 24v not working, The usual display is replaced with a page saying a product code needs entering and the touch screen is not responsive, So it looks like we will be replacing it as it's under warranty still. However after talking to...
  3. J

    12v DC power from lighting circuit in loft space

    Hi, I've very little experience with wiring (other than a 18 yr old physics A-level), so was looking for a few pointers. I have a 4G LTE router I'd like to run in our loft, as it has far better reception up there - but alas, there are no plug sockets. The lighting circuit is accessible - but...
  4. J

    How do you mount a DC power jack on a wall?

    I have an outdoor CCTV camera that requires 12v DC to be supplied to it. To keep things neat, I've thought about mounting a DC power jack onto a blanking plate on the inside wall that the socket end of a 12v DC power supply can then plug into. Is the above a good idea, or are there better ways...
    • jason2000
    • Thread
    • dc power jack mount power socket wall
    • Replies: 17
    • Forum: UK Electrical Forum
  5. S

    24volt DC power supply for defibrillator

    Hi gents, I am after a bit of advice on sourcing a 24volt 70watt DC power supply for a public accessible defibrillator. Do you think either of these would be suitable; 1) http://uk.rs-online.com/web/p/din-rail-panel-mount-power-supplies/0428445/ or 2)...
  6. P

    12v dc power supply for cctv system

    Anyone ever saw one of these cause a fire? Just installed cctv in my home and bit worried leaving it on when where out as we have a litttle pup....i have never saw one cause a fire but i am a very paranoid person!
    • p11jor
    • Thread
    • 12v cctv dc power power power supply supply system
    • Replies: 7
    • Forum: UK Electrical Forum
  7. H

    AC or DC power calculation

    Hi Guys, Is the calculation different when working out Power consumption of a ystem with a DC supply rather than an AC supply? I know P=I x V So i can do P = 2A x 230V AC But is this different with a 12V DC power supply??? Thanks in advance!!!
    • harrison2987
    • Thread
    • calculation dc power power
    • Replies: 3
    • Forum: UK Electrical Forum
  8. S

    DC power system -48V Help needed.

    Rectifier and inverter design configuration to serve AC and DC loads. The system is to have a -48 V DC battery string that will be connected to a -48 V DC Power Plant with rectifiers. From the power plant an inverter system will be connected that will serve the AC load. The 120/208 Volt AC...

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