I do not know of any consumer EVSE's that require you to push a "start"
button before they begin charging (perhaps somebody else does?)
If you are looking to make a L1 (120 volt at 8-12 amps) EVSE have this
behavior (and have a bit of electrical wiring ability) you can use a
"self latching relay" such as this one:
https://amzn.to/3fOT3zS
When you push the trigger button (that you have to provide and wire up)
the relay turns on and then stays on as long as power is available on
the input (providing power to the EVSE). If the power fails, the relay
automatically turns off and won't turn back on until somebody manually
pushes the trigger button again.
This one is sized for 2000 watts, so you wouldn't want to do more than a
L1 EVSE with it, but you can probably find larger industrial ones for
240 volts at 30, 40 or 50 amps.
Jay
On 6/4/21 11:13 AM, Jerry Hudgins via EV wrote:
Most Level 2 EVSE devices available for home use appear to be designed to
automatically resume charging following a power failure if a vehicle remains
attached. I have a situation where this is undesirable. Is anyone aware of a
current L2 charger in which this feature is either absent or can be disabled?
I'd like to require manual action before charging resumes.
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