This system removes all lethal d c voltages between the solar panels and associated wiring just by switching off the a c solar isolator in the switchboard or in an emergency by disconnecting the incoming a c supply.
Solar panel shut off switch.
Utility companies may also utilize the solar disconnect when performing maintenance or other repairs to nearby power lines.
Solar safety shutoff is the first module level solar safety device capable of providing full air gap isolation to both domestic and commercial solar installations.
Solar safety shutoff is the only true solar safety switch using electro mechanical air gap technology unlike electronic switching systems solar safety shutoff is not affected by surge or interference and provides rapid shutdown to zero volts dc in less than 5 milliseconds.
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When the inverter operates to disconnect from the power system the solar stops operating.
Once this is completed the alternating current ac can be turned off.
Start off by turning the inverter on off switch at the bottom to the off position.
Once the voltage has gone down below 50 volts of direct current dc turn off the dc safety switch.
If solar panels were switched off by the electricity distributor households could still draw electricity from the grid.
Proper shutdown procedure youtube.