... ( at 250VAC/50Hz )ProtectionWithstand voltageInput to output 1.5KVAC/5mA ( 1min@50Hz )Lighting voltageLine to ... 1KVACInsulation resistancePut 500Vdcvoltage on input and output terminal for 1 minute, test resistance>7MOver loadEnter into hiccup ... X,Y,Z, frequency 10-55HzSafetyStandardUL60950,EN60950-1,EN61000,ANSI C63.4EMCStandardEN55022 Class B,EN55024, ... . silver constant voltage LED Drivers 12V