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It is a good device, i ordered it to replace the relay on the sonoff basic board. You can solder out the relay from the panel without any damage, and using some cables, connect to sonoff basic panel. it works from 5V, so sonoff will work with this mod without problems, but you will be able switch 30A instead of 10A. I use it to switch on/off a 3KW heater. It needs less current during operation, but when you switch it on, the current much more than 10A, so sonof basic is not good for this purpose

It is a good device, i ordered it to replace the relay on the sonoff basic board. You can solder out the relay from the panel without any damage, and using some cables, connect to sonoff basic panel. it works from 5V, so sonoff will work with this mod without problems, but you will be able switch 30A instead of 10A. I use it to switch on/off a 3KW heater. It needs less current during operation, but when you switch it on, the current much more than 10A, so sonof basic is not good for this purpose

It is a good device, i ordered it to replace the relay on the sonoff basic board. You can solder out the relay from the panel without any damage, and using some cables, connect to sonoff basic panel. it works from 5V, so sonoff will work with this mod without problems, but you will be able switch 30A instead of 10A. I use it to switch on/off a 3KW heater. It needs less current during operation, but when you switch it on, the current much more than 10A, so sonof basic is not good for this purpose