Earth Neutral Bridge Box for AC Protection Box
R1080,19
The function is replacing the earth neutral bridge that is exists when normal power is supplied from the utility.
The ACDB-ARENB-25A automatically creates a temporary earth/neutral bridge when inverter goes to back up mode
due to loss of grid, thus avoiding the forming of earth ground loops
Once the backup or hybrid inverter goes into back up mode and disconnects from the utility the existing bridge is
lost.
This has two side effects that require attention:
1. When a measurement is taken between the Earth and Neutral Conductor on the backup output circuit and
elevated neutral voltage is measured.
2. With the Earth/Neutral bridge, any earth leakage device connected in the output circuit does not function
correctly
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