Yeah, it's for an special outdoor EV charging station NEMA 14-50 outlet with other metering components in the same small enclosure... Wow, that QOB350GFI unit would work, but it's crazy expensive.
Thanks all for the suggestions. I really appreciate it. I'm going with an energy meter that has a relay and can be set to turn off a contactor when it hits a certain amperage reading (ie: 45amps).
I'd like to have both a NEMA 14-50 and 6-50 outlet on the same 2 pole 50amp, 240v circuit. How can I prevent someone from trying to use both at the same time? I was thinking there could be some kind of knob switch, or a resetable circuit breaker to prevent it. These outlets would be outside. Any...
Thanks for your help JG2828!
FYI, according to the manufacturer, internal relay has no coil inside (it's a dry switch). They also insist to use an intermediary relay. They said the switch you recommended was fine, but it should be a 5A break current vs 10A.
Sorry, you're correct. Wrong reference. According to the spec sheet, the power supply operating range that could be used to drive the relay is: 100~240Vac, 50/60Hz; 100~300Vdc.
We have an AccuEnergy EV390 energy meter. We're trying to determine what is the most suitable "Intermediary Relay" (see page 19 for specs) to use in order to latch a Packard C440A 24v coil, 3 phase contactor. The meter has a nice built-in auxiliary power supply that can be used to drive the...
