Before revision: With the advent of more worldwide installations and the requirements laid down in many country’s national wiring publications for the use of DC switches in PV installations, TRUE DC Solar Isolators must also be assessed and tested under the latest UL standard UL508i which has been specifically written to cover the use of “Manual Disconnect Switches intended for use in Photovoltaic Systems”.
After revision: With the advent of more worldwide installations and the requirements laid down in many country’s national wiring publications for the use of DC switches in PV installations, TRUE DC Solar Isolators must also be assessed and tested under the latest UL standard UL508I which has been specifically written to cover the use of “Manual Disconnect Switches intended for use in Photovoltaic Systems”.