https://www.boards.ie/discussion/2055940817/signature-rules
Tesla Model 3 - V3.0
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DC (Direct Current)(Fast) Chargers will always have their own cable and plug attached to the charger (Tesla SuperChargers, Ionity, AppleGreen, eCars DC), and the plug (CCS2) will look like this one below. DC charging means the power goes straight into your battery, and goes in fast (up to 170kW on RWD Model 3/Y, and up to 250kW on LR/P versions)
AC (Alternating Current)(Slow) chargers are what you will do on your driveway, or using eCars 22kW AC chargers, EasyGo or Tesla DESTINATION Chargers etc.. The majority of AC chargers will be untethered, so you will use your own Type 2 Cable that came with the car, but some AC chargers will be tethered and therefore you don't need to use your own cable (Tesla Wall Connecter is tethered, Zappi comes in both tethered and untethered options).
Here is a Type 2 cable. The thicker end goes into the car, and the thinner end into the charger... you could go months/years without ever using it, or you could end up using it everyday, depending on what type of home charger you have installed, and if it's tethered or not (i.e. comes with its own cable attached to it, meaning you don't have the hassle of taking your own mobile cable out of the boot every few nights).
Then you have the UMC (Granny Charger), which is an AC charger, but specifically designed for being plugged into domestic sockets like a standard Irish 3 pin plug (though with the UMC, you can swap the 3 pin for a Schuko plug (for use in Europe), or a blue 16 amp or 32amp industrial socket you might find in an industrial setting or at a caravan park. Note: You will only receive the U.K./Irish 3 pin adaptor with your UMC, and if you want/need additional adaptors you need to buy from Tesla separately. For instance I also bought a Schuko adaptor for mine for use in Europe, however after over 3 years, I've never actually used my UMC. On a 3 pin domestic plug the max rate of charge is 13 amps so 13 x 230v = 2.99kW*, but by using a blue 16/32amp adaptor and if the supply is there the UMC can charge at the full 32a on single phase meaning you could get the full 7.2kW from one. (for some people the UMC suffices in place of a dedicated home charger if they have a 16a or 32a outdoor socket they can plug the UMC into)
*drawing 3kW from a 3 pin socket in your home for boiling a kettle for a few minutes is fine, but continuously drawing 3kW for a number of hours to charge a car could put strain on the domestic socket not to mention heating it up excessively, so if/when ever using the UMC, just keep an eye on the socket it's plugged into for heat build up, and if necessary you can dial the charging rate of the car down as low as 5a to reduce stress on the domestic socket/house load...
A point worth mentioning on AC charging though is the car has the onboard AC charger, which converts the AC energy you put into it to DC current which goes into the battery, so essentially any AC charger like an eCars 22kW or your home charger is only really a fancy socket, as the AC charger itself lives in the car.
Also, there are limits on AC charging. When on single phase (your home supply) the max rate of AC charging is 32 amps on the single phase which gives you about 7.2kW charging speed (230v x 32amps = 7.36kW), but when on 3 phase (22kW chargers) the max rate per phase is only 16 amps, so 230v x 3ph x 16amp = 11.04kW. So when you plug a Model 3 or Y into a 22kW AC charger, the most you'll ever see is 11kW charging speed (and this is a very common question in the fb groups: why am I only getting 11kW from a 22kW charger?.....).
Either way I'd highly recommend carrying both the Type 2 cable & UMC in the car at all times... even if your day to day driving would mean you'd never use them.. the Type 2 AC cable is your lifeline if ever stuck somewhere and low on charge and there aren't any DC chargers around you, and the UMC is the ultimate last resort.. I've never used mine, but it's been in the boot for all 79,000km's the car has ever driven...
Post edited by AndyBoBandy on17 -
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