range specified by your water-proof LED driver, but why does the LED lamp burn after the loan is re-connected after disconnection?

When the load is disconnected, the LED driver is under the no-load output, and its no-load voltage is the maximum of the power source voltage. At this moment when the load is connected, the load can not withstand the no-load voltage and cause the LED lamp to burn. You are proposed to connect the load firstly before switching the power source on