Cerbo relay advice wanted

DIY
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7

They usually fail because people do not understand start up loads or shut down voltage spikes, they connect a power supply rated at 4A but do not understand the input capacitors will take many times that on start up, or a motor or relay. I expect you have seen the FAQ

https://community.victronenergy.com/t/using-inverter-mppt-gx-device-programmable-relays-with-higher-current-inductive-or-capacitive-loads/99

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