this post was submitted on 24 Oct 2023
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I work for the grid too and we also have these. Usually only for bigger substations to transmit measurements and switching states, maybe a bit of telemetry like a tripped fuse.
I hope for dear god that you are remembering wrong and none of them trigger when loosing connection. Whoever thought of that should be immediately fired.
A loss of connection from a single device should never trip a circuit breaker (no idea how the bigger equivalent is called in english), especially if its connected wireless.
The software that controls them is absolutely terrible so I wouldn't be surprised if that is how they work.
But thinking about it it does seem really stupid for no reason so maybe what it is is the concern that if they do trip after 2G is turned off there's no way for us to know that.