Quote Originally Posted by John S View Post
The one I had was rated at 240 volts but turned out to be designed for a 220 volt power supply, as our mains here can easily get to 265 volts at peak it didn't last long :nope:

This one protects itself, if it goes over-volts it switches off and needs a reboot. You have to watch the fault output. The manual clearly states, "can be connected directly with single-phase 220V AC power to save the cost of a transformer".